JP3579848B2 - Chair armrest equipment - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an armrest device for a chair. In particular, the present invention relates to an armrest apparatus having an armrest cover plate.
[0002]
[Prior art]
Some chairs with armrests have a cover plate for armrests in order to provide a more luxurious feeling .
Many of the recent armrests are shaped like a frame with an open inside, or cut out of a part of the frame , in other words, a bent shape of a rod, aluminum light alloy, synthetic resin material, etc. It is molded with.
[0003]
When attaching the cover plate to these armrest, provided two side plates to cover both sides of the armrest separately, the inner one of the side plates, after fixing with screws or the like to the armrest, the other on the side plates the side plates are mounted a portion of the shaft in the locking means or the like, such as engaged against the adhesive or sealing tape, or holes.
[0004]
[Problems to be solved by the invention]
For this reason, the above in the conventional structure, it takes time to mount the cover plate. Further, in order to attach the cover plate, it is necessary to form a female screw or the like on the armrest. This is because, in terms of design, the shape of the armrest is the same, but if you want to manufacture two types of chairs with and without a cover, the chair with a cover and a chair without a cover can be used to connect the armrest to a female screw, etc. It is necessary to use the one that has and the other that does not.
[0005]
When attempting to common use the armrest regardless of the without a cover plate, even in a chair you do not want to use the cover plate, because will use the armrest obtained by processing a female screw or the like, minute cost that the female thread processing In addition, unnecessary female screws and the like are seen, and the appearance is deteriorated.
[0006]
An object of the present invention is to to allow easy mounting of the cover plate, armrest without requiring tapping for cover plate attachment, it is possible to share the armrest regardless or without covering plate, In addition, an object of the present invention is to provide a chair armrest device that does not increase the cost and has a good appearance.
[0007]
[Means for Solving the Problems]
The present invention employs the following means to achieve the above object.
(1) is armrest, in a frame shape, or is shaped to form a part of the frame, also have a mounting hole through which the screw, the armrest, screwed to the side of the chair seat member In the armrest device of a chair that is to be fixed and fixed, mounting brackets are provided so as to protrude on the outer periphery of the cover plate that covers the opening inside the armrest, and the mounting bracket is sandwiched between the seat body and the armrest, Armrest and cover plate are fastened to the side of the seat together and fixed I do.
[0008]
( 2 ) In the above item (1), the surface of the cover plate is covered with a skin material including the fixing portion of the mounting bracket.
[0009]
( 3 ) In the above item (1) or (2) , the mounting bracket of the cover plate is fixed to the side plate of the cover plate. In this case, the surface of the side plate of the cover plate to which the mounting bracket is fixed is fixed to the side plate. And the upper surface of the fixing portion of the mounting bracket is substantially flush with the surface of the side plate other than the fixing surface.
[0010]
[Action]
The mounting bracket protrudes and is provided on the outer periphery of the cover plate that covers the opening inside the frame shape of the armrest, and the mounting hole drilled in the mounting bracket matches the position of the mounting hole of the armrest, and the armrest and the cover plate are provided. the from and fixed to co screwed to the side surface of the seat body, the conventionally provided side plates separately, the task of fixing these side plates armrest and one side plate is not necessary, it is possible to reduce the man-hour .
[0011]
In that case, the mounting bracket for the cover plate is provided on the seat body side, sandwiched between the seat body and the armrest, and the armrest and the cover plate are tightened together on the side surface of the seat body. The fixation is secure and firm, and the appearance is improved .
[0012]
Further, the surface of the cover plate and including a fixing portion of the mounting bracket is coated with the skin material, is better appearance (claim 2).
[0013]
Furthermore, the mounting bracket of the cover plate is fixed to the side plate of the cover plate, the surface of the side plate fixing the mounting plate is recessed, and the upper surface of the fixing portion of the mounting plate is substantially flush with the surface other than the fixing surface of the side plate. First, when they are covered with a skin material, first, the protrusion of the mounting bracket is not seen and felt, so that the appearance is good. Second, the mounting bracket is in the seat side of the cover plate, since Deppara not than the side plates, if the body sitting in the chair is in contact with the cover plate, not give an unpleasant feeling per strong that rugged (according Item 3 ).
[0014]
【Example】
Next, an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an exploded perspective view showing the overall configuration of a chair to which an embodiment of the armrest device of the present invention is attached. The main parts will be described with reference to FIG. 1. (2) is a leg, which includes five legs (4), five casters (6) at the tip thereof, and a pillar (8) standing in the center. have.
[0015]
A box-shaped base frame (10) is held at the upper part of the pillar (8), and a seat body (12) is mounted on the upper surface of the base frame (10) via two plates (14). Fixed. Although base frame (10) has a number of adjusting and fixing mechanism, the operating handle, and a description thereof will be omitted about them. The seat body (12) has a seat (15) and a backrest (16).
[0016]
This chair has an armrest device. An armrest (18) is attached to the left and right sides of the seat body (12), one of which is not shown in FIG. Moreover, this chair is adapted to be also used with no attached even with the cover plate, if not required it is only necessary to omit the cover plate.
[0017]
The armrest (18) is a rod-shaped one having a square cross section and a ridge (20) in the center of the inside, and a horizontal part (22) on which the armrest is placed at the upper part, and bent downward at the front side of the horizontal part (22). It has a front portion (24) that extends downward and rearward, and has a generally inverted L-shape when viewed from the side as a whole. It can also be seen as a part of a frame.
[0018]
Further, the armrest (18) has mounting portions (26) and (28) at both ends thereof, that is, at the rear end of the horizontal portion (22) and at the lower end of the front portion (24), and penetrates laterally therethrough. Mounting holes (30) (30) for screws are provided. On the other hand, on the side surface of the seat body (12), two female screws (32) are provided on the side of the backrest (16) corresponding to the positions of the mounting holes (30) and (30) of the armrest (18). in which one is provided on the seat (15) side, the armrest (18) is fixed by set screw on the side surface of the mounting portion (26) (28) the seat support (12).
[0019]
Ridges of the armrest (18) (20) is provided to the entire length of the arm rest (18) between the intake mounting portion at both ends (26) (28), successive center line of the inner surface with the same width Has been. As a chair armrest device, there is also a bar-shaped armrest only, but in the chair of this embodiment, in order to give a more luxurious feeling , it can be formed inside the rod-shaped armrest (18) and the seat body (12). A cover plate (34) for closing the opening can be attached.
[0020]
The cover plate (34) will be described in detail with reference to FIGS.
Shape as viewed from the lateral direction of the cover plate (34) has a substantially rhombic, from the upper edge (36) to the leading edge (38), be fit snugly form the shape of the inside of the arm rest (18) The shape from the trailing edge (40) to the lower edge (42) is such that it overlaps the side surface of the seat body (12), and the corner has a large roundness.
Also, rear corner and the lower front corner portion on the cover plate (34) is recessed to fit the inner shape of the armrest attachment portion that protrudes to the inside of both ends of the (18) (26) (28), the recess (56 ) (58).
[0021]
The structure of the cover plate (34) is as follows: First, using wood as a frame, two side plates made of plywood, that is, a side plate (44) on the seat body side and an outer side plate (46), and a rear edge (40) is curved to fit the contour of the cover plate (34) toward the lower edge (42) from the wood of the end face plates rounded outer corner (48), in the front by a connecting member of wooden square (50), The inside is hollow at predetermined intervals and joined.
[0022]
Furthermore, the band-shaped mounting bracket (52) is placed on the outer surface of the side plate (44) on the seat body side, and is stretched obliquely from the upper rear corner to the lower front corner of the cover plate (34), and a wood screw (54) Oh Ru in fixed. Mounting bracket (52), and an intermediate fixed portion Ru Oh overlaid on the outer surface of the side plate (44) to (64), the mounting portion with a stepped at both ends (62) (62), cover plate (34 recess from the outer periphery of) (56) (58) to which pops mounting portion of the mounting bracket (52) (62) (attachment hole bored in 62) (60) (60), the armrest (18) Of the mounting holes (30) and (30).
[0023]
Also, when the surface of the side plate (44) fixing the mounting bracket (52) is recessed by the thickness of the mounting bracket (52) from the other surfaces, and the mounting bracket (52) is stacked , upper surface of the fixed portion of the mounting bracket (52) (64), Oh Ru set to be substantially flush with the surface other than the fixing surface of the side plate (44).
[0024]
A cushioning material (66) (68) (70) such as a foamed synthetic resin is stretched over a wooden frame including the fixing portion (64) of the mounting bracket (52) as described above, and further, a synthetic resin And sew over the skin material (72) (74) (76) such as leather.
In this case, the surface and the mounting portion of the side plate surface and the mounting bracket of the skin material was stretched on the (44) (72) (52) (62) (62), it is set to be substantially flush.
[0025]
Further, the cover plate to the inside gap between (34) two side plates (44) (46) (48), two side plates (44) skin material tucked inside surface of (46) (72) including the thickness of the (74), are then urchin by fit ridge (20) fits the elbow hook (18).
[0026]
The method of fixing the cover plate (34) having such a structure to the armrest (18) is as follows. First, the cover plate (34) is pushed in from below the back of the armrest (18), and the gap (48) between the two side plates (44) and (46) of the cover plate (34 ) and the inner surface of the armrest (18) The continuous ridge (20) is fitted.
[0027]
Perfect fits the cover plate (34) and the armrest (18), mounting bracket (52) is covering plate (34), since is fixed to overlap the outer surface of the side plate (44) of the seat body side, the mounting The part (62) (62) overlaps the seat body side of the mounting part (26) (28) at both ends of the armrest (18), the mounting holes (60) (60) of the mounting bracket (52), and the armrest (18) The mounting holes (30) and (30) of the above are exactly matched. In this state, the armrest (18) and the cover plate (34) are fixed to the side surface of the seat body (12) with the two female screws (30) together by screws.
[0028]
The effects of this embodiment are as follows. First, since the armrest (18) and the cover plate (34) are fixed to the side surface of the seat body (12) by screws together, two conventional side plates serving as cover plates are separately provided. to be provided, operation of fixing their side plates armrest or one of the side plates becomes entirely unnecessary, mounting the cover plate (34), removal becomes extremely simple.
[0029]
Secondly, the above-mentioned joint fastening structure of the armrest (18) and the cover plate (34) with respect to the side surface of the seat (12) is performed by a female screw processing on the armrest (18) for fixing the cover plate (34). Since it is not necessary , the armrest (18) can be commonly used for both the chairs with and without the cover plate. For a chair to which the cover plate (34) is not attached, the cost is not increased, and the unsightly appearance due to the appearance of unnecessary female screws and the like can be prevented.
[0030]
Third, the cover mounting bracket (52) is provided on the seat body side, sandwiched between the seat body (12) and the armrest (18), and fastened together with the armrest (18) to the side surface of the seat body (12). Therefore, the cover plate (34) is securely and firmly fixed. Similarly, a gap is formed between the two side plates (44) and (46) of the cover plate (34) so as to fit with the continuous ridge (20) on the inner surface of the armrest (18), and The surface of the skin material (72) stretched over the (44) and the surface of the mounting portions (62) and (62) of the mounting bracket (52) are substantially flush with each other. By eliminating rattling and bringing the side of the seat body (12) into close contact with the cover plate (34), the cover plate (34) can be securely and firmly fixed.
[0031]
Fourth, by covering the surface of the cover plate (34) with the skin materials (72), (74) and (76) including the fixing portion (64) of the mounting bracket, the mounting bracket (52) is exposed and conspicuous. They look good because they have very little.
[0032]
Fifth, the surface of the side plate (44) that fixes the mounting bracket (52) of the cover plate (34) is depressed, and the upper surface of the fixing portion (64) of the mounting bracket is other than the fixing surface of the side plate (44). When they are covered with the skin material (72), first, the protrusion of the mounting bracket (52) is not seen and felt, so that the appearance is good. Next, mounting bracket (52) is located on the seat side of the cover plate (34), because Deppara not than the side plates (44), when the body sitting in the chair is in contact with the covering plate (34), and lumpy Rukoto giving an unpleasant feeling of per strong is not.
[0033]
In this embodiment, the shape of the armrest is an inverted L-shape and a shape like a part of a frame. However, the present invention can be applied to a case of a complete frame. That is, in the case of the frame shape, since there is no open portion, it is impossible to provide a protrusion on the inner surface of the armrest and fit the cover plate on the protrusion , but fit the cover plate on the armrest from the side. The mounting holes can be overlapped with each other and fastened together to the side surface of the seat body, so that the effect can be obtained.
[0034]
【The invention's effect】
The present invention has the following advantages because it is configured as described above. First, mounting brackets are provided so as to protrude from the outer periphery of a cover plate that covers the inside opening of the frame shape of the armrest, and the mounting holes formed there are aligned with the positions of the mounting holes of the armrest, and the armrest and the cover are provided. Since the plate and the side are fixed together by screws on the side surfaces of the seat body, the number of assembly steps is reduced as compared with the conventional structure, and the mounting and dismounting of the cover plate becomes extremely simple (all claims).
[0035]
Secondly, the above-mentioned joint-fixing structure of the armrest and the cover plate allows the armrest to be commonly used for both the chairs with and without the cover plate, and increases the cost even for the chair without the cover plate. In addition, it is possible to prevent poor appearance (all claims).
[0036]
Third, since the mounting bracket for the cover plate is provided on the seat body side, and is sandwiched between the seat body and the armrest, and the armrest and the cover plate are fastened together to the side surface of the seat body, the cover plate having the mounting bracket sandwiched therebetween is provided. Is firm and secure .
[0037]
Fourthly, since the surface of the cover plate is covered with the skin material including the fixing portion of the mounting bracket, the mounting bracket is hardly exposed and noticeable, so that the appearance is improved (claim 2 ).
[0038]
Fifth, when fixing the mounting bracket to the side plate of the cover plate, the surface of the side plate fixing the mounting bracket is depressed, and the upper surface of the fixing portion of the mounting bracket is substantially flush with the surface other than the fixing surface of the side plate. First, when they are covered with a skin material, first, the protrusion of the mounting bracket is not seen and felt, so that the appearance is good. Next, the mounting bracket is on the seat side of the cover plate, since Deppara not than the side plates, when sitting on a chair, no uncomfortable feeling per locally strong that rugged (claim 3).
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a chair with armrests provided with an embodiment of the present invention.
FIG. 2 is a side view of the cover plate as viewed from the outside.
FIG. 3 is a sectional view taken along line AA of the cover plate of FIG. 2;
FIG. 4 is a front view of a cover plate.
FIG. 5 is a partial cross-sectional view taken along line BB of FIG. 2;
[Explanation of symbols]
(12) Seat
(18) Armrest
(20) Ridge
(30) Mounting hole
(34) Cover plate
(44) (46) Side plate
(52) Mounting bracket
(60) Mounting hole
(72) (74) (76) Skin material

Claims (3)

Armrest, in a frame shape, or it is shaped to form a part of the frame, also have a mounting hole through which the screw, the armrest, screwed to the side of the chair seat member fixed In the armrest device of the chair,
A mounting bracket is provided so as to protrude around the outer periphery of the cover plate covering the opening inside the armrest, and the mounting bracket is sandwiched between the seat body and the armrest, and the armrest and the cover plate are fastened together to the side surface of the seat body. An armrest device for a chair, wherein the armrest device is fixed . The surface of the cover plate, armrest apparatus of claim 1, wherein the chair covered with a skin material, including the fixing portion of the mounting bracket. The mounting bracket of the cover plate is fixed to the side plate of the cover plate. In this case, the surface of the side plate of the cover plate fixing the mounting plate is recessed from the other surface of the side plate, and the fixing portion of the mounting plate is fixed. 3. The armrest device for a chair according to claim 1, wherein the upper surface is substantially flush with a surface other than the fixing surface of the side plate.

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