ES1138432U - Hidden concealed hinge for doors and/or furniture doors (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

1. Invisible concealed hinge (1) for furniture doors and / or doors, to be concealed between a furniture door or door (2) and a frame (3), consisting of: - a housing body (4) door-side, which is inserted into a recess in the thickness of the door or furniture door (2), and a housing body (5) side-frame, which is inserted into a recess in the frame (3); - a first and a second hinge arm (7, 8) rotatably connected to each other by means of a connection shaft (9) parallel to a vertical direction (Z); the first hinge arm (7) has its own first end (7a) hinged on the housing body (5) side-frame on a respective axis-70 of rotation side-frame parallel to the vertical direction (Z) and its own second end (7b) rotatably and slidably linked to a sliding guide (40) of the housing body (4) side-door; the second hinge arm (8) has its own first end (8a) hinged on the door-side housing body (4) on a respective side-door rotation axis (80) parallel to the vertical direction (Z) and its own second end (8b) rotatably and slidably linked to a sliding guide (50) of the housing body (5) side-frame; characterized in that, in combination: - the housing body (5) side-frame consists of a projection (51) in which the axis-70 of rotation side-frame is located and which protrudes with a predetermined length moving away from the housing body (5) side-fence along a first horizontal direction (X) which, in turn, when the door (2) is in a closed condition, is parallel to the faces (2a, 2b) of the door (2); - the sliding guide (50) follows a predetermined development line and the theoretical line of union between two opposite ends (50a, 50b) of the sliding guide (50) side-fence is inclined at an angle of at least 45º with respect to the first horizontal direction (X); in such a way that the housing body (5) side-fence has along the first horizontal direction (X) a depth that, when the door (2) is in the closed condition, is at least 20% less than the depth of the housing body (4) door-side along the first horizontal direction (X). Hinge (1) according to claim 1, characterized in that the predetermined development line of the side-fence sliding guide (50) is an arc or arched line, preferably a circumferential arc. 3. Hinge (1) according to claim 2, characterized in that said arc or arched line presents its concavity oriented in the direction of the first horizontal direction (X), which, when the door (2) is in condition closing, moves away from the housing body (4) side-door. Hinge (1) according to any one of Claims 1 to 3, characterized in that one (50a) of the opposite ends (50a, 50b) of the side-fence sliding guide (50) is placed near the overhang (51). 5. Hinge (1) according to any one of the preceding claims, characterized in that the predetermined length of the projection (51) along the first horizontal direction (X) is a percentage of the depth of the housing body ( 5) side-fence along the same first horizontal direction (X), comprised between 18% and 32%, ends included, preferably comprised between 20% and 30%, ends included. 6. Hinge (1) according to claim 5, characterized in that the predetermined length of the projection (51) along the first horizontal direction (X) is a percentage of the depth of the housing body (5) side -fence along the same first horizontal direction (X), equivalent to 25%. 7. Hinge (1) according to any one of the preceding claims, characterized in that the depth of the housing body (5) side-frame along the first horizontal direction (X) is, in the closed condition of the door (2), a percentage comprised between 40% and 70%, including ends, of the depth of the housing body (4) side-door along the same first horizontal direction (X), said being comprised percentage preferably between 40% and 60%. Hinge (1) according to any one of the preceding claims, characterized in that: - from the opposite ends (50a, 50b) of the sliding guide (50) side-fence, a first end (50a) is placed proximal to the boss (51) and a second end (50b) is positioned distal to the boss (51); - the sliding guide (40) side-door is rectilinear and is oriented mainly along the depth of the housing body (4) side-door; the sliding guide (50) side-fence and the first (7) and second (8) hinge arm are shaped so that at least the terminal half of the movement that, relative to the housing body (5) side-fence, brings the door-side housing body (4) from the closed condition to the fully open condition with the second end (8b) of the second hinge arm (8) near the first end (50a) of the sliding guide (50) side-frame and with each one of the hinge arms (7, 8) that performs a movement that, in relation to the housing body (5) side-frame, in a first approach is a substantially rotary movement about a respective fixed axis. Hinge (1) according to any one of the preceding claims, characterized in that, in fully open conditions, the projection (51) is inserted into an existing seat in the second hinge arm (8). Hinge (1) according to any one of the preceding claims, characterized in that: - the first hinge arm (7) consists of: a vertical body (71) containing the second end (7b) and which is develops along the entire height of a housing compartment (41) of the housing body (4) side-door; a central body (72) of inferior length along the vertical direction (Z) that forms a "T" structure with the vertical body (71); two teeth (73a, 73b) protruding from the upper and lower side of the central body (72) and interposing the projection (51) between their free ends (730a, 730b) forming the first end (7a) of the first hinge arm ( 7); the central body (72) has a central through hole (74) and in the central body (72) the seat (720) of the connection axis (9) is provided, located in the opposite part of the central through hole (74) with with respect to the vertical body (71); - the second hinge arm (8) consists of: a first vertical body (81) that contains the first end (8a) and that extends along the entire height of the housing compartment (41) of the housing body ( 4) side-door; a second vertical reinforcing body (82), which extends along the entire height of the housing compartment (41) of the housing body (4) door-side and which is intended to be inserted, in a fully open condition of the hinge (1), inside the respective elbows (76) present in the teeth (73a, 73b) of the first hinge arm (7) proximal with respect to the central body (72); two teeth (83a, 83b) protruding respectively from the upper extremity and the lower extremity of the second vertical reinforcing body (82) and that with their free extremities (830a, 830b) form the second extremity (8b) of the second hinge arm (8); in the "C" -shaped shape made by the second vertical reinforcing body (82) and by the two corresponding teeth (83a, 83b), the projection (51) is inserted when the hinge (1) is in a complete condition opening; the first (81) and the second (82) vertical body of the second hinge arm (8) are joined at the top and bottom respectively by a first (84a) and a second (84b) horizontal element, which have a substantially plan in the form of "L"; the first (81) and the second (82) vertical body of the second hinge arm (8) are joined in the central part by a third (84c) horizontal element that has a corresponding bend (840) in which it is inserted in a way stable the portion of the central body (72) of the first hinge arm (8) that contains the seat (720) of the connection shaft (9); one of the portions of the third horizontal element (84c) that defines the corresponding bend (840) is inserted in turn into the central through hole (74) of the central body (72) of the first hinge arm (7) when the hinge ( 1) is in a fully open condition; the height difference between the vertical body (71) of the first hinge arm (7) and its corresponding central body (72) allow the introduction of the upper (83a) and lower (83b) horizontal elements of the second arm (8) of hinge when the hinge (1) is placed in a fully open condition. Hinge (1) according to any one of the preceding claims, characterized in that the door-side housing body (4) and / or the frame-side housing body (5) include a respective outer cover (42 , 52) to be fixed on the corresponding door (2) or frame (3) and respective mobile inserts (43, 53a, 53b), inserted in the respective outer cover (42, 52), which are mobile to allow adjusting the position of the hinge (1) along at least one direction in space. 12. Hinge (1) according to claim 11, characterized in that: - at least one first (53a) and one second (53b) are housed in the outer cover (52) of the housing body (5). ) mobile insertion, with the first mobile insertion (53a) q

Description

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DESCRIPTION

Invisible hidden hinge for doors and / or furniture doors.

The present invention relates to an invisible concealed hinge for doors and / or furniture doors. This type of hinges is used for concealed placement between a furniture door or door and the corresponding fence. In general, hinges of this type consist of two housing bodies, one side-fence and one side-door, which are respectively introduced into the fence and the thickness of the door. The two housing bodies are

10 connect to each other by means of hinge arms structured in such a way as to guarantee the relative movement of the two housing bodies (and, therefore, of the door with respect to the fence). When the door is closed, the hinge arms are collected in a housing recess that is formed by combining the two housing bodies when facing each other, so that the hinge is invisible on both sides of the door or

15 furniture door.

In one type of hinge, two hinge arms are rotatably connected to each other, by means of a connecting shaft and each of them has a first hinged end in a housing body and a second pivotally linked end and

20 slidably to a sliding guide existing in the other housing body. The movement of the door that is obtained is a movement of broken translation (or of rotation around a moving axis in space).

A hinge of this type is illustrated in EP 1 063 376 A2, which shows

25 an adjustable hinge on three Cartesian axes in which, in particular, in order to allow full opening of the door (specifically at 180 °) even in the presence of flashing moldings, the two asymmetric arms are made with portions of different lengths . The sliding guides of the sliding ends of the arms are rectilinear and are oriented in a direction that, when the door is closed, is parallel to the faces of the

30 own door (that is, parallel to the plane of placement of the door).

This type of hinges has the disadvantage that it requires sliding guides of considerable length and, consequently, housing bodies that have a remarkable depth of embedment in the fence and the door. With regard to the housing body introduced in the door, the depth of embedment does not usually represent

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One problem: the housing body is inserted in the thickness of the door and, therefore, can be quite deep. In the case of the side-fence housing body, the situation is very different. Often the fences are not thick enough to allow the embedding of a very deep hinge body. In addition, when the molding 5 flashing, which is coupled as a finish in the fence, provides a centering element of the pin-shaped position (as in the case illustrated in the attached figure 15, where it is a plug or a centering strip) or in the form of a projection (as for example in the case illustrated in the attached figure 16, where the flashing molding has a section in

"L" in correspondence with the centering element), the centering element of the

10 flashing molding is often found at a depth of 20 mm or a little more in the fence, in a position that interferes with the recess where the hinge housing body is to be embedded in the fence. Therefore, the centering element of the flashing molding must be milled at the time of recessing where the hinge is recessed or before placing the flashing molding itself.

The objective of the present invention is to avoid the aforementioned drawbacks, by providing an invisible concealed hinge for doors and / or furniture doors that allows the hinge to be comfortably embedded in fences of relatively reduced thickness. Another objective of the present invention is to avoid the aforementioned drawbacks

20 above, providing an invisible concealed hinge for doors and / or furniture doors that allows using flashing moldings provided with a centering element of the position without the need to eliminate or mill said centering element.

These objectives and others that will appear throughout the following description are

25, according to the present invention, are achieved by an invisible concealed hinge for doors and / or furniture doors having structural and functional characteristics in accordance with the attached independent claims, additional embodiments thereof being collected in the corresponding dependent claims attached.

The invention is set forth in greater detail below with the help of the drawings, which represent an embodiment thereof merely by way of example and which is not non-limiting.

35 - Figure 1 shows a front view of a hinge according to the invention in condition of

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full opening - Figures 2 and 3 show perspective views of the hinge of Figure 1. - Figure 4 illustrates a section of the hinge of Figures 1-3 with a horizontal plane;

in it some parts have been removed to better highlight others, with the hinge 5 represented in a closed condition and the indication by dashed stripes of the door, the fence and the flashing molding.

-The figures from 5 to 9 illustrate as many sections, analogous to those in figure 4 (except that in figure 8, in which the section is only partial and other details are shown), which correspond to as many opening conditions , from partial to total,

10 with a door opening respectively of: 45 ° (figure 5); 90 ° (figure 6); 135 ° (figure 7); 145 ° (figure 8); 180 ° (figure 9) corresponding to the full opening.

-Figure 10 (details 'a' - 'd') illustrates a detail of the position in the sliding guide of the hinge arm end that is inserted in the sliding guide of the side-door housing body, respectively in the conditions shown in figure 6

15 (detail ‘a’), figure 7 (detail ‘b’), figure 8 (detail ‘c’) and figure 9 (detail ‘d’). -Figure 11 is an exploded view of the hinge according to the invention. -Figure 12 is a detail of Figure 11 that specifically illustrates the reciprocal relationship

between two mobile inserts of the side-fence connection body. -The figures 13 and 14 are two details of figure 11 illustrating respectively the first and second hinge arm. -Figure 15 is a section that illustrates, in a 90 ° opening condition, the hinge of the invention installed in a fence with a first type of flashing molding. -Figure 16 is a section illustrating, in closing condition, the hinge of the invention installed in a fence with a second type of flashing molding.

25 In the attached figures, an invisible concealed hinge for furniture doors and / or doors is indicated with reference number 1, for concealed placement between a furniture door or door 2 and a fence 3. Hinge 1 consists of a housing body 4 side-door, which is inserted in a recess in the thickness of the door or furniture door 2, and a

30 housing body 5 side-fence, which is inserted into a recess in the fence 3. The hinge 1 also consists of a first and a second hinge arm 7, 8 rotatably connected to each other by means of a connection shaft 9 parallel to a vertical direction Z.

The first hinge arm 7 has its own first limb 7a hinged in the housing body 35 side-fence on a respective axis 70 of side-fence rotation parallel to the

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vertical direction Z. The first hinge arm 7 has its own second end 7b pivotally and slidably connected to a sliding guide 40 of the housing side 4 door-side.

5 The second hinge arm 8 has its own first end 8a hinged in the housing body 4 side-door on a respective axis 80 of side-door rotation parallel to the vertical direction Z. The second hinge arm 8 has its own second limb 8b pivotally and slidably connected to a sliding guide 50 of the housing body 5 side-fence.

10 The housing body 5 side-fence includes a projection 51 on which the axis 70 of side-fence rotation is located. The projection 51 protrudes with a predetermined length away from the housing body 5 side-fence along a first horizontal direction X which in turn, when the door 2 is in a closed condition, is parallel to the faces 2a, 2b of the

15 door 2. The closing condition of the door 2 corresponds to the closing condition of the hinge 1 (see, in particular, figure 4).

Sliding guide 50 follows a predetermined development line. The theoretical line of connection between two opposite ends 50a, 50b of the sliding fence 50 side-fence is inclined with

20 an angle of at least 45 ° with respect to the first horizontal direction X.

The combination of the presence and the length of the projection 51 along the first horizontal direction X with the shape and the inclination of the sliding fence 50 side-fence is realized in such a way that the housing body 5 side-fence presents throughout the first

25 horizontal direction X a depth which, when the door 2 is in a closed condition, is at least 20% less than the depth of the housing side 4 door-side along the first horizontal direction X. Specifically, this means that the depth of the housing body 5 side-fence is at most 80% of that of the housing body 4 side-door.

30 The presence of the projection 51 and the inclination of the sliding guide 50 fence-side allow to reduce the depth of the housing body 5 side-fence with respect to that of the housing body 4 side-door. The projection 51 also allows to take full advantage of the interior space of the housing body 5 side-fence, in particular to obtain a better

35 adaptation of the shape and geometry of the sliding guide 50 side-fence. In addition as well

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It is also allowed to take advantage of the interior space of the housing body 5 side-fence for other purposes, as will be seen later.

The default development line of the 50 side-fence sliding guide is an arc or line

5 arched, preferably an arc of circumference. Said arc or arched line has its concavity oriented in the direction of the first horizontal direction X, which, when the door 2 is in a closed condition, moves away from the housing body 4 side-door. Preferably, one 50a of the opposite ends 50a, 50b of the sliding side guide 50 is positioned near the projection 51.

10 Of the opposite ends 50a, 50b of the sliding side-fence guide 50, a first end 50a is positioned proximally with respect to the projection 51 and a second end 50b is placed distally with respect to the projection 51. The sliding guide 40 side door is straight and is oriented mainly along the depth of the body

15 accommodation 4 side-door. It could also be slightly inclined. The sliding guide 50 side-fence and the first 7 and second 8 hinge arm are advantageously shaped so that at least the terminal half of the movement which, in relation to the housing body 5 side-fence, carries the housing body 4 side -door from the closing condition to the full opening condition, be done with the second

20 tip 8b of the second hinge arm 8 near the first end 50a of the sliding guide 50 side-fence. Each of the hinge arms 7, 8 performs a movement which, in relation to the housing body 5 side-fence, in a first approach is a substantially rotating movement around a respective fixed axis. In the case illustrated in the figures, specifically in figure 10 (details from ‘a’ to ‘d’), this is precisely illustrated

25 situation, in which, from a door opening position of approximately 90 ° forward, the second end 8b of the second hinge arm moves along the terminal portion of the sliding side-fence guide 50 near the first end 50a. During the opening of the hinge 1, the line connecting the connecting shaft 9 and the second end 8b of the second hinge arm 8 approaches the axis of rotation 70 side-fence.

30 Near the junction between the two (and, for a particular preferred conformation of the arms that will be discussed later, even when the line connecting the connecting axis 9 and the second limb 8b passes beyond the axis 70 of side-fence rotation), the second end 8b of the second arm 8 moves near the second end 50a of the side-fence sliding guide 50 (possibly with a slight forward / backward movement). In this

35 zone of movement of the door around the fence, therefore, each of the

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hinge arms 7, 8 performs a movement which, in relation to the housing body 5 side-fence, in a first approximation is a substantially rotating movement around a respective fixed axis (around the axis of rotation 70 side-fence for the first hinge arm 7; around the second limb 8b of the second hinge arm 8,

5 for the second hinge arm 8).

Timely, the predetermined length of the projection 51 along the first horizontal direction X is a percentage of the depth of the side-fence housing body 5 along the same first horizontal direction X, between 18% and 32 %,

10 ends included. Preferably, this percentage is between 20% and 30%, extremes included. Preferably, the predetermined length of the projection 51 along the first horizontal direction X is a percentage of the depth of the side-fence housing body 5 along the same first horizontal direction X, equivalent to 25%.

15 The depth of the housing body 5 side-fence along the first horizontal direction X is, in the condition of closing of the door 2, a percentage between 40% and 70%, including ends, of the depth of the housing body 4 side door along the same first horizontal direction X. This percentage is

20 preferably between 40% and 60%.

According to the invention, by way of example, with a hinge 1 provided with a housing body 4 side-door of approx. 36 mm deep, it is possible to obtain a housing body 5 side-fence that has a depth of 20 mm or even less. In this case, the hinge 1 object of the invention can be used even with thin fences 3. In addition, it is possible to use the hinge 1 in all those situations (such as those illustrated by way of example in Figures 4, 15, 16) in which the frame 3 is fitted with a cover trim 30 provided with an element 31 of centered that extends along the fence at a distance of approximately 20-22 mm from the edge of the fence 3. Element 31 of

30 can be centered in the form of a strap or pin inserted between the fence 3 and the molding 30 flashing (figures 4 and 15), or in the form of an "L" section of the molding itself molding 30 (figure 16).

In conditions of complete opening, the projection 51 is inserted into an existing seat in the second hinge arm 8 (see in particular Figures 1-3).

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In a preferred embodiment, illustrated in the figures (and with special, though not exclusive, reference to Figures 1-3 and Figures 13 and 14), the first hinge arm 7 consists of:

5 -a vertical body 71 containing the second limb 7b and which develops along the entire height of a housing compartment 41 of the housing body 4 side-door;

- a central body 72 of shorter length along the vertical direction Z which, with the vertical body 71, forms a "T" structure;

10 -two teeth 73a, 73b protruding from the upper and lower side of the central body 72 and interpose the projection 51 between its free ends 730a, 730b forming the first limb 7a of the first hinge arm 7.

The central body 72 has a central through hole 74. In the central body 72 is

15 provided for seat 720 of connection axis 9. Said seat 720 of the connection shaft 9 is located in the opposite part of the central through hole 74 with respect to the vertical body 71.

The second hinge arm 8 consists of:

20 - a first vertical body 81 containing the first limb 8a and which develops along the entire height of the housing compartment 41 of the housing body 4 side-door; -a second vertical reinforcement body 82, which is developed along the entire height of the housing compartment 41 of the housing body 4 side-door and which

25 is intended to be introduced, in a condition of complete opening of the hinge 1, into the respective bends 76 present in the teeth 73a, 73b of the first hinge arm 7 in a proximal position with respect to the central body 72;

-two teeth 83a, 83b protruding respectively from the upper extremity and the lower extremity of the second vertical reinforcing body 82 and which with their 30 free extremities 830a, 830b form the second extremity 8b of the second arm of

hinge 8.

In the "C" shaped configuration made by the second vertical reinforcing body 82 and by the corresponding two teeth 83a, 83b, the projection 51 is introduced when the hinge 1 is in a fully open condition. The first 81 and the second 82 body

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Vertical of the second hinge arm 8 are joined at the top and bottom respectively by a first 84a and a second horizontal element 84b. As can be seen in the drawings, the first 84a and the second horizontal element 84b have a substantially "L" shaped plan. In them 841 holes have been made to pass the shaft

5 connection 9.

In addition, the first 81 and the second 82 vertical body of the second hinge arm 8 are joined in the central part by a third horizontal element 84c. The third horizontal element 84c has a corresponding bend 840 in which it is inserted in

10 stably manner the portion of the central body 72 of the first hinge arm 7 containing the seat 720 of the connecting shaft 9. The seat 720 is located in correspondence with the holes 841 of the first and the second horizontal element 84a, 84b.

When hinge 1 is in a fully open condition, one of the third portions

15 horizontal element 84c defining the corresponding bend 840 (specifically, shoulder 842, illustrated in Figure 14) is in turn inserted in the central through hole 74 of the central body 72 of the first hinge arm 7. The difference in height between the vertical body 71 of the first hinge arm 7 and its corresponding central body 72 allow the introduction of the upper horizontal elements 83a and lower 83b of the second arm 8

20 hinge when hinge 1 is put in full opening condition.

Therefore, in condition of full opening of the hinge 1 the first and the second hinge arm 7 and 8 are interconnected. They also include the projection 51. The first and the second hinge arm 7, 8 also take advantage of the height of the compartment 41 of the housing body 4 side-door 4. The height of the second hinge arm 8 (in particular between the surfaces furthest from each other of the teeth 83a, 83b) is advantageously equal to the internal height of the compartment 54 of the housing side 5 fence-frame. The hinge 1 therefore has a very stable and compact structure. In the condition of full opening of hinge 1, the first and second hinge arm 7 and 8 interconnect.

30 They also include the projection 51. When the height of the hinge arms 7, 8 coincides with the height of the compartments 41, 54 of the housing bodies 4, 5, the structure is very compact. Obviously, between the first and second hinge arm 7, 8 and the housing bodies 4, 5, in correspondence with the extremities of the hinge arms 7, 8, interposition caps can be provided.

35

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Advantageously, to obtain a position adjustment on the hinge 1, the housing body 4 side-door or the housing body 5 side-fence, or both, include a respective outer cover 42, 52 which must be fixed on the door 2 or the corresponding fence 3 and respective mobile inserts 43, 53a, 53b, introduced in the

5 respective outer cover 42, 52.

The inserts 43, 53a, 53b are movable to allow adjustment of the position of the hinge 1 along at least one direction in the space. Specifically, preferably, the housing side-door housing 4 consists of a corresponding outer cover 42 and 10 of at least one mobile insert 43, the position of which can be adjusted along a horizontal direction that coincides with the direction of the housing body depth 4 side-door. In closed hinge condition 1 (that is, when the door 2 is in a closed condition), this horizontal direction coincides with the first horizontal direction X. In the mobile insert 43 there are the fixing points of the rotation axis 15 80 side -door and sliding guide 40 side-door (in the example contained in the drawings, the latter is made in the form of grooves made on opposite sides of the mobile insert 43). The mobile insert 43 of the housing body 4 side-door can be inserted into the corresponding outer cover guide 42. The position can be adjusted by means of adjusting screws 44 which, in particular, must be able to be rotated but not displaced

20 with respect to the mobile insert 43 (for example, imprisoning the head) and which are coupled to a corresponding female thread made in the outer cover 42.

The presence of the projection 51, which allows to take full advantage of the internal space of the housing body 5 side-fence, also allows the adjustment body by means of nested covers to be made in the housing body 5 25. In the outer cover 52 of the housing body 5 side-fence at least one first 53a and a second mobile insert 53b are housed. The first mobile insert 53a is linked to the outer cover 52 and has an adjustable position along the vertical direction Z. The second mobile insert 53b is inserted into the first mobile insert 53a and moves with respect to the latter in relation to the latter. along a second horizontal direction Y, perpendicular to the first horizontal direction X. The first mobile insert 53a and the second mobile insert 53b can be introduced into each other with a movement along the second horizontal direction Y by respective guide means 530 This is specifically illustrated in Figure 12. By way of example, a guide flange 531 of the second mobile insert 53b is housed over a flange portion 532 of the first mobile insert 53a, while a

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guide fin 533 of the second movable insert 53b is inserted into a respective guide groove 534 of the first insert 53a. An protruding body 535 of the first mobile insert 53a is inserted into a respective seat 536 of the second mobile insert 53b, in order to perform a contrast of forces that also tends to hold the guide flange 531 in its respective portion in position 5 of flange 532. Between the projecting body 535 and the outer cover 52 of the housing body 5 side-fence can be accommodated means for adjusting the position of the first mobile insert 53a along the vertical direction Z. The first mobile insert 53a it can be guided along the vertical direction Z by means of guiding means of various types. An example illustrated in the drawings shows, by way of example, a guide system that specifically employs guide bolts 536 that can be inserted into the corresponding holes 537 of the mobile insert 53a. The adjustment means can use a spiral-shaped actuator of Archimedes with the corresponding coupling means. In the first and second movable insert 53a, 53b, adjustment eccentrics and locking screws coupled in holes can be provided

15 corresponding slots.

The invention achieves important advantages. It allows to significantly reduce the depth of the body of the side-fence hinge and, therefore, to use the hinge in thin fences or fitted with flashing molding with centering element introduced at low depth 20 with respect to the surface of the fence. In addition, the hinge structure is compact and robust and complex structures designed for adjustment can be made, despite the reduced depth of the side-fence hinge body. In addition, using an asymmetric configuration of the arms, it is possible to comfortably obtain the 180 ° opening of the hinge without interfering with the fence or with the flashing moldings, even in

25 configurations in which, when the hinge is in a completely closed condition, the side-fence and side-door housing bodies are perfectly facing and aligned with each other.

The invention conceived in this way is susceptible to numerous modifications and 30 variants, all of which fall within the scope of the inventive concept that characterizes it.

In addition, all the details can be replaced by other technically equivalent elements.

35 In practice, all the materials used, as well as the dimensions, can be of

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Any type, according to the needs.

Claims (9)

one.

Hidden hinge (1) invisible for doors and / or furniture doors, for placement

hidden between a door or furniture door (2) and a fence (3), consisting of:

5

-a housing body (4) side-door, which is inserted into a recess in the

thickness of the door or furniture door (2), and a housing body (5) side-fence,

which is introduced in a recess in the fence (3);

-a first and a second hinge arm (7, 8) rotatably connected to each other

10

by means of a connection shaft (9) parallel to a vertical direction (Z);

the first hinge arm (7) has its own first limb (7a) hinged on the

housing body (5) fence-side on a respective axis (70) rotation side-fence

parallel to the vertical direction (Z) and its own second limb (7b) linked

fifteen

swivel and slide to a sliding guide (40) of the housing body (4)

door-side; the second hinge arm (8) has its own first limb (8a)

hinged on the housing body (4) side-door on a respective axis (80) of

side-door rotation parallel to the vertical direction (Z) and its own second limb

(8b) rotatably and slidably linked to a sliding guide (50) of the body of

twenty

housing (5) fence-side; characterized by the fact that, in combination:

-the housing body (5) side-fence consists of a projection (51) in which

find the axis (70) of side-fence rotation and protruding with a length

predetermined moving away from the housing body (5) side-fence along a

first horizontal direction (X) which, in turn, when the door (2) is in a condition of

25

closure, is parallel to the faces (2a, 2b) of the door (2);

-the sliding guide (50) follows a predetermined development line and the theoretical line

of connection between two opposite ends (50a, 50b) of the sliding guide (50) side-fence

it is inclined at an angle of at least 45 ° with respect to the first direction

horizontal (X);

30

in such a way that the housing body (5) side-fence presents along the

first horizontal direction (X) a depth that, when the door (2) is in

closing condition, is at least 20% less than the body depth of

housing (4) side-door along the first horizontal direction (X).

35

2. Hinge (1) according to claim 1, characterized in that the line of

Default development of the sliding guide (50) side-fence is an arc or arched line, preferably an arc of circumference. 3. Hinge (1) according to claim 2, characterized in that said arc or 5 arched line has its concavity oriented in the direction of the first horizontal direction (X), which, when the door (2) is in a closed condition, moves away from the housing body (4) side-door. 4. Hinge (1) according to any one of claims 1 to 3, characterized by the 10 the fact that one (50a) of the opposite ends (50a, 50b) of the sliding fence (50) side-fence is placed near the projection (51). 5. Hinge (1) according to any one of the preceding claims, characterized in that the predetermined length of the projection (51) along the first 15 horizontal direction (X) is a percentage of the depth of the housing body (5) side-fence along the same first horizontal direction (X), between 18% and 32%, including ends, preferably included between 20% and 30%, extremes included.

Hinge (1) according to claim 5, characterized in that the predetermined length of the projection (51) along the first horizontal direction (X) is a percentage of the depth of the housing body (5) fence-side along the same first horizontal direction (X), equivalent to 25%.

Hinge (1) according to any one of the preceding claims, characterized in that the depth of the housing body (5) side-fence along the first horizontal direction (X) is, in a closed condition of the door (2), a percentage between 40% and 70%, including ends, of the depth of the housing body (4) side-door along the same first horizontal direction (X),

30 being said percentage preferably between 40% and 60%. 8. Hinge (1) according to any one of the preceding claims, characterized in that: 35 -from opposite ends (50a, 50b) of the sliding guide (50) side-fence, a first end (50a) is placed proximally with respect to the projection (51) and a second end (50b) is placed in distal position with respect to the projection (51); -the sliding guide (40) side-door is straight and is oriented mainly along the depth of the housing body (4) side-door; the sliding guide (50) side-fence and the first (7) and second (8) hinge arm are shaped so that at least the terminal half of the movement which, with 5 in relation to the housing body (5) fence-side, the housing body (4) carries the door side of the closing condition to the full opening condition is performed with the second end (8b) of the second hinge arm (8) near the first end (50a) of the sliding guide (50) side-fence and with each of the hinge arms (7, 8) that performs a movement that, in relation to the housing body (5) side-fence, 10 in a first approximation is a substantially rotating movement around a respective fixed axis. 9. Hinge (1) according to any one of the preceding claims, characterized by the fact that, in conditions of complete opening, the projection (51) is introduced into an existing seat in the second hinge arm (8). 10. Hinge (1) according to any one of the preceding claims, characterized in that: 20 -the first hinge arm (7) consists of: a vertical body (71) containing the second limb (7b) and which develops along the entire height of a housing compartment (41) of the housing body (4) side-door; a central body (72) of shorter length along the vertical direction (Z) that forms a "T" structure with the vertical body (71); two teeth (73a, 73b) that protrude through 25 the upper and lower side of the central body (72) and interpose the projection (51) between its free extremities (730a, 730b) forming the first limb (7a) of the first hinge arm (7); the central body (72) has a central through hole (74) and in the central body (72) the seat (720) of the connecting shaft (9) is provided, located in the opposite part of the central through hole (74) with with respect to the vertical body (71); 30 -the second hinge arm (8) consists of: a first vertical body (81) containing the first limb (8a) and which develops along the entire height of the housing compartment (41) of the housing body (4) side-door; a second vertical reinforcement body (82), which develops along the entire height of the housing compartment (41) of the housing body (4) side-door and that 35 is intended to be introduced, in the condition of full opening of the hinge (1), into the inside the respective bends (76) present in the teeth (73a, 73b) of the first hinge arm (7) in a proximal position with respect to the central body (72); two teeth (83a, 83b) protruding respectively from the upper extremity and the lower extremity of the second vertical reinforcing body (82) and with their 5 free extremities (830a, 830b) form the second extremity (8b) of the second arm of hinge (8); in the "C" shaped conformation made by the second vertical reinforcement body (82) and by the corresponding two teeth (83a, 83b), the projection (51) is introduced when the hinge (1) is in complete condition opening; the first (81) and the second (82) vertical body of the second hinge arm (8) are joined in 10 the upper and lower part respectively by a first (84a) and a second (84b) horizontal element, which have a substantially "L" shaped plant; the first (81) and the second (82) vertical body of the second hinge arm (8) are joined in the central part by a third (84c) horizontal element that has a corresponding bend (840) in which the central body portion 15 (72) of the first hinge arm (8) containing the seat (720) of the connecting shaft (9); one of the portions of the third horizontal element (84c) defining the corresponding bend (840) is in turn inserted into the central through hole (74) of the central body (72) of the first hinge arm (7) when the hinge (1) is fully open; the height difference between the vertical body (71) of the first arm (7) of 20 hinge and its corresponding central body (72) allow the introduction of the upper (83a) and lower (83b) horizontal elements of the second hinge arm (8) when the hinge (1) is placed in a fully open condition. 11. Hinge (1) according to any one of the preceding claims, characterized in that the housing body (4) side-door and / or the housing body (5) side-fence include a respective outer cover (42, 52) that must be fixed on the corresponding door (2) or the fence (3) and respective mobile inserts (43, 53a, 53b), inserted into the respective outer cover (42, 52), which are movable to allow adjustment of the hinge position (1) along at least one direction in 30 the space. 12. Hinge (1) according to claim 11, characterized in that: -in at least one first (53a) and a second (53b) movable insert, with the first movable insert, are housed in the outer cover (52) of the housing body (5) side-fence (53a) that is linked to the outer cover (52) and that has an adjustable position along the vertical direction (Z), and with the second mobile insert (53b) that is inserted into the first mobile insert (53a) and moves with respect to the latter along a second horizontal direction (Y), perpendicular to the first horizontal direction (X); the first mobile insertion (53a) and the second mobile insertion (53b) can be introduced into each other with a movement along the second horizontal direction (Y) by means of respective guide means (530).