JPH0620458Y2 - Chair memo support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a memo pad support mechanism for a chair installed in a theater, an auditorium, or the like.

(Prior Art) Conventionally, chairs with a memo pad have been used in theaters, auditoriums, etc., but the accommodating portion for storing the memo pad is provided in the armrest, and the width of the accommodating portion is the memo pad. Is formed to a thickness slightly larger than the thickness. Therefore, when storing the memo pad in the accommodating portion, the memo pad must be inserted in the accommodating portion while ensuring the vertical position. Therefore, as a memo pad support mechanism for keeping the memo pad vertical, a ball plunger is inserted at a predetermined position between the rotary shaft of the memo pad and the bearing portion fitted to the rotary shaft, and the memo pad is When it becomes vertical, the ball plungers are fitted to each other to maintain the vertical state of the memo pad.

(Problems to be Solved by the Invention) However, the above-mentioned memo pad support mechanism has the following problems.

Providing the ball plunger between the rotating shaft and the bearing portion results in a considerable cost increase. Especially, in a theater that requires a large number of chairs, the total cost required to install the chairs becomes considerably large. Also, the use of a ball plunger is uneconomical because repair in case of failure is troublesome, time consuming and expensive.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a memo pad supporting mechanism for a chair that is inexpensive and can be easily worked even during repair.

(Means for Solving the Problems) In order to solve the above problems, the present invention has the following configuration.

That is, in a memo pad support mechanism that supports the memo pad provided on the armrest in a storage portion provided in the armrest of the chair so that the memo pad is pivotally attached to the front end of the armrest, and the memo pad is taken out and used. A turning piece provided rotatably between a take-out position at the time of storage and a storage position when the memo pad is stored in the housing portion, and the turning piece provided on the memo pad or the turning piece, A rotary shaft for fitting the rotary piece or a bearing portion provided on the memo base to connect the memo base and the rotary piece and enabling the memo base to rotate with respect to the rotary piece; When the moving piece and the memo pad are provided at least in the take-out position, the memo pad is rotated about the pivot shaft from a horizontal position to a vertical position. A restriction means for restricting the amount of movement and a memo pad or an outer wall surface of the rotating piece are provided. , When the note table is located in the vertical position, characterized by comprising a leaf spring for holding notes stand posture to press the turning piece or notes stand corresponding outer wall surface.

(Operation) The operation will be described.

As a means for holding the vertical position of the memo pad, an inexpensive leaf spring is provided on the outer wall surface of the memo pad or the rotating piece, and the vertical position of the memo pad is set by pressing the corresponding rotating piece or the outer wall surface of the memo pad. Since it is held, the cost can be reduced and the leaf spring can be easily replaced and repaired.

(Embodiment) Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 5 shows a plan view of a chair with a memo pad used in a conference hall or the like.

The three chairs 10 have armrests 12a, 12b, 12c, 12
d is provided, and the armrests 12a, 12b, 12c are provided with memo pads. The drawing shows a state in which the memo pads 14a and 14c provided on the armrests 12a and 12c are taken out. Regarding the armrest 12b, the memo pad is stored in a storage portion (space) provided inside the armrest 12b. Each armrest 12
The a, 12b, and 12c are provided with lids 16 ... That prevent the housing portion from being exposed. The armrest 12
No memo pad is provided in d.

Subsequently, the support mechanism of the memo pad 14a provided on the armrest 12a will be described with reference to FIGS.

1 and 2 show a state in which the memo pad 14a is taken out from the accommodating portion 18 and is in use.

On the other hand, FIG. 3 shows a state in which the memo pad 14 a is stored in the accommodating portion 18.

In the drawing, reference numerals 20 and 22 denote inner frames, which are assembled in a box shape by disposing metal frames having a U-shaped cross section so that their open sides face each other. The internal space formed by the inner frames 20 and 22 is the memo pad 14a.
Becomes a housing portion 18 for storing the.

A metal strip 24 is arranged in the accommodating portion 18,
The inner frame 20 is detachably provided with a screw 26 so as to form a bottom portion of the accommodating portion 18 and scoop out when the user accidentally drops an object in the accommodating portion 18. The band-shaped body 24 is provided at a position below the memo pad 14a when the memo pad 14a is stored.

Reference numerals 28, 30, 32 and 34 denote wooden frames, which are provided so as to surround the inner frames 20 and 22 and are coated with metal to give the armrest 12a a wooden texture.

The other armrests 12b, 12c, 12d, etc. are connected via a connecting member (not shown) to form the triple chair 10.

Reference numeral 36 denotes a rotating piece, which is pivotally attached to a fixture 40 via a rotating shaft 38. The fixture 40 has a U-shaped cross-section with the upper surface and both end surfaces open, and the side walls have convex portions 42, 44.
Is fitted to the notches 46 and 48 formed in the front ends of the inner frames 20 and 22, and the screws 50 are provided.
It is fixed to the inner wall surfaces of the inner frames 20 and 22 via. Incidentally, the rotating piece 36 is a rotating shaft 38 in FIG.
Is provided so as to be rotatable about an angle range of 0 ° to 180 ° as shown by an arrow A, and the position of 0 ° is the storage position where the memo pad 14a is stored in the accommodating portion 18, and the position of 180 ° is This is the take-out position where the memo pad 14a can be stably used. The amount of rotation of the rotating piece 36 is regulated by the inner bottom surface of the fixture 40. The inner bottom surface of the cushioning member is made of rubber, which absorbs shocks when the rotating piece 36 rotates and also has a sound deadening effect. Materials 52 and 54 are arranged.

Next, with further reference to FIG. 4, the memo pad 14a and the rotating piece 36.
The connecting part with will be described.

A base 56 is provided on the side wall of the memo pad 14a.
The lower surface 58 and the side surface 60 of the are formed flat. A rotating shaft 62 is extended to the base portion 56, and a small diameter portion 64 is provided in the middle.
Is engraved.

On the other hand, a fitting hole serving as a bearing 66 is formed in the rotating piece 36. By inserting the rotary shaft 62 into the bearing portion 66, the memo pad 14a is rotatable with respect to the rotary piece 36. A pin hole 68 is formed in the side wall of the rotating piece 36, a pin (not shown) is formed therein, and the tip of the pin enters the small-diameter portion 64 of the rotating shaft 62. The rotation piece 36 is prevented from coming off. Further, an arcuate piece 70 as a restricting means is extended to the rim of the bearing portion 66, and a step 72 pivot shaft (a lower step of the rotary shaft 62 is not shown) which is a restricting means provided on the base 56. ) Is provided. The upper edge 74 and the lower edge 76 of this arcuate piece 70, and the step 72 of the base 56 that can abut against it.
The rotation amount θ of the memo pad 14a is 90 (one is not shown).
It is regulated to °. This θ is an angle range in which the memo pad 14a is changed from horizontal to vertical when the rotating piece 36 is in the take-out position.

Reference numeral 78 denotes a leaf spring, which is fixed to the lower outer wall surface of the rotating piece 36 via screws 80 and 82 in FIG. 4, and its free end (tip) acts to exert an upward biasing force. ing. Therefore, when the memo pad 14a is connected to the rotating piece 36, the outer wall surface of the corresponding base portion 56 is pressed upward. Although the leaf spring 78 and the outer wall surface of the base portion 56 pressed by the leaf spring 78 are formed to be flat,
It may not necessarily be flat, and may be fitted in a non-circular shape with the surface of the leaf spring 78.

Next, a method of using the memo pad 14a thus configured will be described with reference to FIGS.

When the memo pad 14a is stored in the accommodating portion 18 (3rd
In the figure), the user holds the memo pad 14a and rotates the rotating piece 36 in the counterclockwise direction of arrow A about the pivot shaft 38 in order to take out the memo pad 14a from the accommodating portion 18.

When the rotating piece 36 rotates 180 ° and reaches the take-out position, the rotating piece 36 contacts the cushioning material 52 on the front end side to prevent further rotation, and the take-out position is held. At this time, the memo pad 14a is in the vertical state because the leaf spring 78 presses the side surface 60 of the base portion 56 upward. The user uses the memo pad 14
A is rotated counterclockwise as indicated by arrow B against the biasing force of the leaf spring 78. Then, the memo pad 14a rotates about the rotation shaft 62. When the memo pad 14a becomes horizontal, the base 56
A step (not shown) provided on the bottom of the arc-shaped piece 70 and the lower edge 76 of the arc-shaped piece 70 come into contact with each other, so that the tip of the memo pad 14a is not inclined from the horizontal.
Further, the free end (tip) of the leaf spring 79 is the lower surface 5 of the base 56.
8 is pushed upward to hold the memo pad 14a in a horizontal state.

After use, when the memo pad 14a is rotated in the clockwise direction of arrow B against the urging force of the leaf spring 78, the memo pad 14a pivots about the pivot shaft 62, and the memo pad 14a becomes vertical. Then, the step 72 of the base 56 contacts the upper edge 74 of the arc-shaped piece 70 to prevent the rotation, and the free end (tip) of the leaf spring 78 presses the side surface 60 of the base 56 upward, so that the memo pad 14a is The vertical state is maintained with respect to the rotating piece 36. In this state, holding the memo pad 14a, the rotating piece 36 is rotated in the clockwise direction of the arrow A about the rotating shaft 38 until the rotating piece 36 comes into contact with the cushioning material 54 at the rear portion. Then memo pad 14a
Are stored in the accommodating portion 18.

The lid body 16 opens the upper surface of the storage unit 18 when the memo base 14a is taken in and out of the storage unit 18, and when the memo base 14a is stored and when the memo base 14a is in use.
8 The upper surface is closed.

When replacing the leaf spring 78 due to its life etc., screws 80,
A new leaf spring can be easily replaced by simply removing 82.

In the above embodiment, the bearing 66 is provided on the rotating piece 36,
Although the rotation shaft 62 is provided on the memo pad 14a, it may be provided on the contrary. Further, the leaf spring 78 is provided on the rotating piece 36 side, but may be provided on the memo pad 14a side to press the outer wall surface of the rotating piece 36.

Although various preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and many modifications can be made without departing from the spirit of the invention. is there.

(Effect of the Invention) When the memo pad support mechanism for a chair according to the present invention is used, an inexpensive leaf spring is used as a means for holding the memo pad in a vertical state when the memo pad is stored, so that the manufacturing cost can be reduced. Become. In particular, it becomes more economical in a theater, an auditorium, a conference hall, etc. that require a large number of chairs. Further, since the leaf spring is provided so as to be exposed on the outer wall of the memo pad or the rotating piece, the leaf spring can be easily replaced and repaired, and the time and cost required for the repair can be saved.

[Brief description of drawings]

FIG. 1 is a sectional view of an armrest of a chair having a memo pad support mechanism for a chair according to the present invention, FIG. 2 is its plan view, FIG. 3 is a partial plan view showing a state in which a memo pad is stored, and FIG. FIG. 5 is a perspective view showing a connecting portion between the memo pad and the rotating piece, and FIG. 5 is a plan view of three consecutive chairs equipped with the memo pad. 10 ... Chair, 12a-12d ... Armrest, 14a, 14
c ... Memo stand, 18 ... Storage section, 36 ... Rotating piece, 62
...... Rotary shaft, 66 …… Bearing part, 70 …… Arc piece, 78 ・ ・ ・
… Leaf springs.

Continuation of the front page (56) Bibliographic references Sho 55-116549 (JP, U) Actual public 55-51338 (JP, Y2) Actual public 56-16120 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A memo pad support mechanism for storably supporting a memo pad provided on the armrest in an accommodating portion provided in an armrest of a chair, wherein the memo pad is pivotally attached to a front end portion of the armrest. A rotating piece rotatably provided between a take-out position when taking out and using the memo pad and a storage position when the memo pad is stored in the accommodating portion, and the memo pad or the pivot piece. A rotating shaft that is provided and is fitted to a bearing provided on the rotating piece or the memo base so as to connect the memo base and the rotating piece and to rotate the memo base relative to the rotating piece. Provided on the rotating piece and the memo base, and when the rotating piece is at least in the take-out position, the memo base rotates about the rotary shaft from a horizontal position to a vertical position. To regulate the amount of rotation so that And a leaf spring for holding the posture of the memo pad by pressing the rotating piece or the corresponding outer wall surface of the memo pad when the memo pad is positioned in the vertical position. Chair support mechanism.