JPH0932436A - Slat coupling device for shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent generation of danger that a finger is caught by a joint by providing a circular slide-contact surface in the front surface of the upper edge of a lower slat, and providing a covering piece to be turned along the slide-contact surface in the front surface of the lower edge of an upper slat at the time of continuously contact plural lateral long slats freely to be turned through a hinge. SOLUTION: A circular swelled curved surface (a) is formed around a hinge shaft 8c at a width narrower than the fore and aft directional width of a curved plate with a view from side in the front surface of the upper end of a slat 1A. A narrow neck part (b) and a forward inclined surface (c) are formed in the lower side of the curved surface (a) in the condition that the vertical width thereof is wider than the dimension of fingers, and the lower end of the inclined surface (c) is continued to the vertical surface (d). A circular recessed curved surface (e), which is formed into the similar figure with the curved surface (a) and which is to be turned in the condition that it covers the front surface of the curved surface (a), is formed in the front surface of the lower edge of the slat la, and the forward directed horizontal surface (f) is continuously formed from the lower end of the circular recessed curved surface (e), and the front end of the horizontal surface (f) is continued to the lower end of the vertical surface (d) so as to form a covering piece. The vertical width of the recessed part (e) is formed wider than the dimension of fingers. Generation of danger that a finger is caught by a joint can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for manufacturing a shutter that is attached to an opening of a building so that it can be opened and closed.

[0002]

2. Description of the Related Art Conventionally, there are various devices which are designed so as to prevent the operator's fingers from being jammed in the gap of the slat linkage portion of the shutter when opening and closing the shutter attached to the opening of a building. "Panel shutter finger jam prevention device" introduced in Japanese Patent No. 16390
In the above, a finger clogging prevention material that closes a gap formed in a stepped portion of panels (slats) that are aligned in parallel with each other vertically is slidably provided in the vertical direction. In addition, actual fairness 6
In the "overhead door curtain" introduced in Japanese Patent Publication No. 17966, upper and lower door panels (slats) are used.
A band cover with pleats is attached between the openings (opening and closing of the outer surface), and the outer surface opening is covered by the band cover so that fingers cannot be inserted.

[0003]

In the above-mentioned two examples, since a separate member for preventing the clogging of the fingers of the husband and the husband must be attached to the outer surface of the slat linking portion of the shutter, the components and the work labor are reduced in manufacturing. It is uneconomical because of the high cost because it requires extra and. Therefore, in the present invention, without providing a finger jamming prevention member, the shape and structure of each slat linkage portion of the shutter is configured so that a finger is not caught, and a shutter device that achieves the purpose of preventing finger jamming is obtained. With the goal.

[0004]

In a shutter in which a proper number of horizontally long slats made of curved plates are connected vertically and a hinge is provided on the inner surface of the connecting portion so that the connecting slats can be bent and extended freely. An arc-shaped sliding contact surface on the front surface of the upper edge of the lower slat and a cover piece that rotates along the sliding contact surface on the front surface of the lower edge of the upper slat so that the fingers cannot be caught Further, it is also configured such that an opening concave portion which is not caught by a finger is inserted in the lower side portion of the cover piece in the sliding contact surface in a watertight manner, and the arc-shaped sliding portion is provided. The contact surface is formed on an arcuate bulging curved surface centered on the axis of the hinge, and a cover piece whose lower end portion is in sliding contact with the front surface of the bulging curved surface is hung vertically on the front surface of the lower edge of the upper slat. . Also,
The opening recess is formed by forming a constriction neck on the lower side of the bulging curved surface formed on the front surface of the upper edge of the lower slat, and continuously forming an inclined frontward descending surface continuously wider than the size of the finger on the lower side. It is provided by forming an opening-shaped recess. As still another means, a bulging curved piece is provided on the front surface of the upper edge portion of the lower slat so as to project upward, and a front-down slope is formed from the lower end of the bulging curved piece, and the lower edge portion of the upper slat is formed. In addition, a cover piece that covers the swollen curved piece and rotates is vertically provided downward.

[0005]

1 is a schematic side view showing an embodiment of the present invention, in which a shutter according to the present invention is attached to an entrance opening of a garage and is installed in an inverted L shape in a side view. The guide rail guides and slides from the vertical direction of the entrance / exit surface to the horizontal direction along the ceiling surface to open the entrance / exit surface. In the figure, reference numeral 1 is a shutter, 2 is an inverted L-shaped guide rail, 3 is a side pillar of a garage, 4 is a pulling spring, 5 is a wire, 6 is a movable pulley, 6'is a fixed pulley, and 7 is an automobile. In the shutter 1, the wire 5 connected to the lower end of the shutter 1 is wound around the moving pulley 6 at the front end of the pulling spring 4 through the fixed pulley 6 ′, and the free end thereof is fixed to one side of the garage by the fixture M. It is fixed to the portion, and the shutter is biased easily by the accumulating force (pulling force) of the pulling spring 4 so as to move upward.

In the structure of the shutter 1, an appropriate number of slats 1a made of a horizontally long curved plate are vertically linked in a curtain shape so that the slats 1a are provided at the left and right side edges of the slats. Rotating wheel 1b mounted on the outer end of hinge 8
Is provided so as to slide along the groove of the guide rail 2, and the opening / closing operation is manually performed manually on the front side of the hanging shutter 1.

Since the shutter 1 is manually opened and closed by human power, the handles to which the fingers of both the left and right hands of a person are placed in a pair of right and left at appropriate positions, but naturally as the shutter moves up and down. It is easy to insert the finger into the slat linkage part (seam) of the shutter because the position of the finger is changed, there is a possibility that the joint gap of the slat will be deformed to a large size and the finger will be caught and jammed, which is an unsafe condition. appear. Therefore, the present invention is to improve the form of the linking portion of each slat so as not to be caught even when the fingers are moved to the slat linking portion when the shutter is opened / closed, particularly when the shutter is closed,
Some of the shutter configurations are illustrated in FIG.

FIG. 2 is a side elevational cross-sectional view of the main part of a part of the shutter, in which both slats 1 are arranged vertically.
By screwing the base end portions of the upper butterfly piece 8a and the lower butterfly piece 8b of the hinge 8 on the back surface of the linking portion (joint) of a and 1a, both slats can be bent and extended freely about the shaft 8c. It works together. An enlarged view of the main part in FIG. 2 is shown in FIG.

The form of the upper and lower edges of the linking portion of each slat 1a will be described with reference to FIGS. 3 and 4. At the upper edge of the slat 1a, a bulge having a width narrower than the front and rear width of the side view curved plate is formed in the front portion. A protruding curved surface (a circular arc surface centering on the hinge axis 8c) is formed, and a narrowed neck portion B and a front downward slope C are continuously formed below and above the bulging curved surface a wider than the size of a finger. It is formed and the lower end of the inclined surface C is continued to the vertical surface D. Further, the lower edge of the slat 1a is covered with the front surface of the bulging curved surface a formed on the upper end of the lower slat, and has an arcuate concave curved surface e of a similar shape that can be rotated up and down. It is bent in a continuous manner toward the horizontal plane, and the front end to the horizontal plane is continuous with the lower end of the vertical plane D to form a cover piece. Then, on the front surface of the linking portion of both slats, a recessed part surrounded by the neck b, the inclined surface c and the horizontal plane is formed, and since the vertical width of this recessed part is formed wider than the size of the finger, Even if a finger is inserted into this recess, it is prevented from being pinched by each edge of both slats, which is effective in preventing finger clogging. The base ends of the upper hinge piece 8a and the lower butterfly piece 8b of the hinge 8 are screwed and fixed to the back surface of the slat by screws 9. FIG. 3 shows a state in which the connecting portions of the upper and lower slats are bent.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The slats shown in FIGS. 2, 3 and 4 are examples of the present invention, and the description thereof is as described above. 5 and 6 show another embodiment of the form of the slat linking part, which shows a slight modification of the form of the upper end edge and the lower end edge of the linking part of each slat. The shape will be described with reference to both figures. At the upper end edge of the slat 1'a, an arcuate bulging curved piece (with the hinge shaft 8'c as the center from the front end of the upper end edge C to the upper side). A circular arc surface) to project from the lower end of the bulging curved piece to form a front downward sloped surface, which is continuous with the upper end of the vertical surface, and is lower at the lower end of the upper slat 1'a. A downward covering piece that covers the upper front surface of the bulging curved piece formed on the upper edge of the slat is extended from the lower end of the vertical surface, and the lower end of the covering piece is located in front of the bulging curved piece. A bent curved surface is formed by bending it obliquely backward so that it will come into sliding contact with.

A hinge 8'is provided on the rear surface of the linking portion of both slats.
The base end of the upper hinge piece 8'a of the hinge 8'is screwed to the lower end of the upper slat, and the base end of the lower butterfly piece 8'b is screwed to the upper end of the lower slat. The upper and lower slats are linked so that they can be bent and extended freely, and the pivotal support portions of the upper and lower hinge pieces of the hinge 8'are located on the rear side of the swollen curved piece and the swollen curved piece and the cover piece. The upper and lower slats are watertightly linked with each other because the intrusion of water from the front surface of the shutter is prevented by the overlapping sliding contact with the bent curved surface of the lever. FIG. 5 shows a state in which the upper and lower slats are bent, and even in this state, the lower end of the upper slat is separated from the upper swelling bent piece of the lower slat and the overlapping portion of the covering piece in the folded curved surface w. Not doing so will keep the waterproof effect.

The form of the linking portion of the upper and lower slats is not limited to the above-mentioned two examples, and the object can be achieved by providing a sliding curved surface portion in which the fingers are not caught in the front portion of the linking portion in a watertight manner. However, if another example is given, it is also possible to adopt the configurations shown in FIGS. 7 and 8 or 9 and 10.

The slats 1 "a shown in FIGS. 7 and 8 are
A small projection is formed on the front side of the upper edge of the lower slat, and the lower side of the small projection is formed as a slightly widened bulging curved surface yo (arc surface centering on the hinge shaft 8c). The lower part of the yo is formed as a narrowed neck portion, the lower part of the narrowed neck portion is formed as a front downward sloped surface, and the lower end of the inclined surface is connected to the upper end of the front vertical surface S. . At the lower edge of the upper slat, a hanging piece is provided at the lower end of the front vertical surface S, following the upper part of the inwardly bent piece that slidably contacts the front surface of the bulging curved surface yo. The structures of the hinge 8 and the rotary wheel 1b of the other members are the same as those shown in FIGS. 3 and 4.

The slat shown in FIGS. 9 and 10 increases the width of the slat shown in FIGS.
The lower end of the bulging curved surface is formed to be continuous with the front vertical surface S, except for the narrowed neck and the inclined surface, and the lower edge of the upper slat is also formed by increasing the protruding width according to its shape. It is a thing of humor.

The slats shown in FIGS. 11 and 12 are
The bulging curved surface a of the lower slat in the slat linkage portion shown in FIGS. 3 and 4 is formed into a flat steep slope a ′, and the constriction neck b is omitted to form a slope c ′.
The upper slat is provided with a flat hanging piece (e) in place of the arcuate concave curved surface (e) and a cover piece for covering the front surface of the steep slope (a) and a concave portion (t) is formed in the front surface thereof. The operating states and effects of the parts are the same as those shown in FIGS. 3 and 4, and this form is an embodiment in which the work of the slat is simplified and the effect does not change even if the working time is reduced.

[0016]

EFFECTS OF THE INVENTION In a shutter in which an appropriate number of slats are linked vertically, an opening of a size that does not get caught even when fingers are inserted in the front of the linking portion of both slats that are arranged above and below the husband and linked. Since a concave part is formed or a sliding surface is formed by omitting the opening concave part so that the fingers cannot be caught, the operator's fingers can be operated without being clogged with the shutter joint when opening and closing the shutter. Secure the safety of time. On the front surface of the upper and lower slat linkages, a curved surface or covering piece that covers the front surface of the upper edge of the lower slat is formed on the lower edge of the upper slat, so there is a draining effect on both slat linkages and Prevent from entering the inside of the shutter. At the time of opening and closing the shutter, there is no concern that the operator may move his or her finger no matter where he or she moves his or her finger. Therefore, the shutter can be arbitrarily operated and the operation is free. On the front surface of the shutter, constant lateral recesses or bulges are provided in the slat linkage at regular intervals in parallel, so that the appearance of the front of the shutter is good, and the dents or bulges in parallel provide a beautiful appearance. It has a design effect.

[Brief description of drawings]

FIG. 1 is a schematic side view showing an embodiment of the present invention.

FIG. 2 is a side vertical cross-sectional view of the main part of the shutter in the embodiment.

FIG. 3 is an enlarged vertical cross-sectional view showing a state where the slat linkage portion of the shutter is bent.

FIG. 4 is an enlarged vertical cross-sectional view showing a state in which a slat linkage portion of the shutter is extended.

FIG. 5 is an enlarged vertical cross-sectional view showing a state in which a link portion in another form of the shutter slat is bent.

FIG. 6 is an enlarged vertical cross-sectional view showing a state where the linking portion of the slat shown in FIG. 5 is extended.

FIG. 7 is an enlarged vertical cross-sectional view showing a state in which a linking portion of the shutter slat according to another embodiment is bent.

FIG. 8 is an enlarged vertical cross-sectional view showing a state in which the linkage portion of the slat shown in FIG. 7 is extended.

9 is an enlarged vertical cross-sectional view showing a state in which the projecting width of the linking portion of the slat shown in FIG. 7 is increased.

FIG. 10 is an enlarged vertical cross-sectional view showing a state in which the linking portion of the slat shown in FIG. 8 is formed with an increased width.

FIG. 11 is an enlarged vertical cross-sectional view showing a simplified form of the slat linkage portion shown in FIG.

FIG. 12 is an enlarged vertical sectional view showing a simplified form of the slat linkage portion shown in FIG.

[Explanation of symbols]

 1 ... Shutter 1a ... Slat 1b ... Rotating wheel 1'a ... Slat 2 ... Guide rail 8 ... Hinge 8a ... Upper butterfly 8b ... Lower hinge 8c ... Axis 8 '... Hinge 9 ... Screw ... Swelling curved b' ... Steep slope b ... Constricted neck c ... Sloping surface d ... Vertical surface e ... Concave curved surface e ... Drooping piece f ... Horizontal surface ... Recessed part ... Recessed j ... Front edge r ... Swelling curve n ... Inclined surface ru ... Cover piece W ... Vertical surface WA ... Folded curved surface C ... Small projection Yo ... Bulging curved surface TA ... Constricted neck Re ... Inclined surface Saw ... Vertical surface T ... Bending piece N ... Hanging piece

Claims (5)

[Claims] 1. A shutter in which a proper number of horizontally long slats are connected vertically and a hinge is provided on the inner surface of the connecting portion so that the connecting slats are flexibly and rotatably linked to each other, the upper end of the lower slat. A slat linkage device for a shutter, wherein a sliding contact surface is provided on the front surface of the edge portion, and a cover piece that rotates along the sliding contact surface is provided on the front surface of the lower edge portion of the upper slat so as to prevent fingers from being caught. 2. The shutter slat linkage according to claim 1, wherein an opening concave portion is provided in a watertight manner in a front surface of a linking portion between a lower edge portion of the upper slat and an upper edge portion of the lower slat so as not to be caught even when a finger is inserted. apparatus. 3. An arc-shaped bulging curved surface centered on the axis of the hinge is formed on the front surface of the upper edge of the lower slat, and a lower end portion is formed on the front surface of the lower curved edge of the upper slat and on the front surface of the bulging curved surface. The slat linkage device for a shutter according to claim 1, wherein a cover piece slidably contacting with the shutter is vertically provided. 4. A bulging curved surface is formed on the front surface of the upper edge of the lower slat, and a narrowed neck portion and a front downward slope are continuously formed below the bulging curved surface so as to be wider than the size of a finger. The slat linkage device for a shutter according to claim 2, wherein a cover piece that covers the front surface of the bulging curved surface and is rotatable is provided at the lower edge portion. 5. A bulging curved piece is provided so as to project upward on the front surface of the upper edge of the lower slat, and a front-down slope is formed from the lower end of the bulging curved piece, and the swelling piece is formed at the lower edge of the upper slat. 3. The slat linkage device for a shutter according to claim 2, wherein a downward cover piece that covers the bulging curved piece is vertically provided.