JP2010193925A - Chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a chair which is easily machined and can be simply and quickly fitted with an operating means on narrow armrests too. <P>SOLUTION: In a chair which has an operated means prepared in a seat or a backrest and an operation lever 22 prepared in an armrest 8 mutually coordinating with a flexible cable 34 and operates the operated means with the operation lever 22, the armrest 8 is composed with an elbow pad support body 4 which is fixed to the side of the seat and an elbow pad member 10 detachably fitted to its upper end, and the operation lever 22 is fitted to the rear surface of the elbow pad member 10. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a chair in which an operated means provided on a seat or a backrest and an operating means provided on an armrest are linked to each other with a flexible cable, and the operated means is operated by the operating means. About.

In this type of conventional chair, the armrest is composed of an armrest support fixed to the side of the seat and an armrest member attached to the upper end of the armrest so as to be detachable. In order to facilitate the connection, the operating means is attached to the elbow rest support (see, for example, Patent Documents 1 and 2).
In addition, as the operated means, a reclining mechanism for the backrest, a biasing force adjustment mechanism for the backrest, a front / rear position adjustment mechanism for the seat, and the like are common, but there may be other adjustment mechanisms for each part of the chair. .

Japanese Patent No. 4050968 JP 2007-330364 A

  However, in a chair used in a railway vehicle or an aircraft cabin, the elbow rest member is a simple horizontal plate or a simple member provided with a cushion body or the like on its upper surface. The abutment support is a large molded body that requires various designs, and the large molded body must be subjected to fine processing for mounting the operation lever and its shaft in the operating means. The work is complicated and the cost is increased.

  Further, in the office chair, from the viewpoint of design, the armrest may be thinned or thinned, and when trying to provide operation means such as a reclining mechanism of the backrest in such a narrow part of the armrest, Detailed and complicated processing is required.

  In view of the above problems, an object of the present invention is to provide a chair that is easy to process and that allows an operation means to be easily and quickly assembled to a narrow armrest.

According to the present invention, the above problem is solved as follows.
(1) In a chair in which an operated means provided on a seat or a backrest and an operating means provided on an armrest are linked to each other with a flexible cable, and the operated means is operated by the operating means. The armrest is constituted by an elbow rest support fixed to the side portion of the seat and an elbow rest member attached to the upper end of the armrest so as to be detachable, and the operating means is attached to the lower surface of the elbow rest member.

With such a configuration, the elbow rest support body, which is a large molded body, does not need to be subjected to fine processing for mounting the operating means, and the operating means is mounted on the flat elbow rest member. Therefore, it is possible to easily perform processing in a wide work space and improve workability during processing.
Moreover, after attaching the operating means and the cable as necessary to the elbow rest member in advance, simply attaching the elbow rest member to the elbow rest support, the operating means can be applied to a narrow armrest, Easy and quick assembly.

  (2) In the above item (1), the operating means is pivotally attached to the lower surface of the front portion of the elbow rest member with a pivot axis facing in the left-right direction, and the front end portion is the front end of the elbow rest member or the upper front end of the elbow rest support. It is assumed that an operation lever that protrudes forward from an opening provided in the cable and that has a cable end fixed to a portion away from the pivot is provided.

  With such a configuration, the configuration of the operating means can be simplified.

  (3) In the above item (2), a part of the pivot of the operating lever is fitted from below into the upward recess provided on the front lower surface of the elbow rest member, and provided on the front lower surface of the elbow rest member A part of the pressing member is brought into contact with the lower surface of the pivot to prevent the pivot from coming out of the recess, and the cable is guided to be slidable in the axial direction with the other part of the pressing member. Support the end of the outer tube.

  With such a configuration, a part of the pivot of the operation lever is fitted into the recess of the elbow rest member from below, and the presser member is brought into contact with the lower surface of the pivot from below to hold the presser member to the elbow rest member. Because it is possible to attach the operation lever to the elbow rest member simply and quickly just by fastening it to the lower surface of the arm, and with the other part of the presser member, the end portion of the outer tube can be supported. Convenient.

  (4) In the above item (3), the presser member is a flat presser piece that presses a part of the pivot, and a lower end part of a hanging piece that hangs down from one end of a horizontal piece parallel to the presser piece. It shall consist of a side view inverted L-shaped holding piece which supported the terminal part.

  With such a configuration, the pressing member can be easily formed by the two members of the pressing piece and the holding piece.

  (5) In any one of the above items (1) to (4), the upper part of the elbow rest support body is an arm shape having a substantially V-shaped cross section and facing forward, and the upper end opening has an elbow rest. The member is attached so as to close the opening.

With such a configuration, the inner space of the elbow rest support body becomes wider toward the top, so that the operation means can be accommodated with a margin, and at the bottom of the V-shaped groove at the top of the elbow rest support body. The cable can be stably arranged so as not to move sideways.
Moreover, when applied to a chair for a passenger room of a railway vehicle or an aircraft, it is possible to secure the space on the aisle side and the seated person side, and to improve the design. That is, the appearance of the armrest can be made smart and simple.

  According to the present invention, it is possible to provide a chair that can be easily processed and can be easily and quickly assembled to a narrow armrest.

1 is an external perspective view of an embodiment in which the present invention is applied to a chair for a two-seater vehicle. Similarly, it is the disassembled perspective view which looked at one side frame member from the front diagonally upper direction. Similarly, it is a partially cutaway side view showing the upper part of the side frame member in a cutaway manner. Similarly, it is the disassembled perspective view which looked at the elbow rest member and the operation handle from diagonally lower rear. It is the perspective view which looked at the modification of the pressing member from the front diagonally upper direction.

Next, an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, this chair is an application of the present invention to a chair for a two-seat vehicle, and is a horizontally long fixed on a turntable (not shown) that rotates horizontally provided on the floor of the vehicle. A pair of left and right seats 2 and 2, a pair of left and right backrests 3 and 3 that can be tilted backward behind each seat 2, and left and right 1 disposed on the outer side of each seat 2. The pair of side frame members 4 and 4 are attached.
On the pedestal 1, there is also provided means (not shown) for supporting the intermediate armrest 5 between the left and right backrests 3, 3 so as to be rotatable about an axis (not shown) facing in the left-right direction. However, since this is not directly related to the present invention, detailed illustration and description thereof will be omitted.

  As shown in FIGS. 1 to 3, each side frame member 4 stands from the base portion 6 that covers the outer surface of each seat 2 and the rear portion thereof, and stands up to cover the lower portion of the outer surface of the backrest 3 when standing. The portion 7 and an elbow rest support portion 9 in the armrest 8 facing forward from the upper end of the upright portion 7 are integrally formed of an aluminum die-cast molded body having a substantially U shape in side view.

The elbow rest support portion 9 has an approximately V-shaped cross section and faces forward, and a substantially flat elbow rest member 10 facing in the front-rear direction is provided at the opening at the upper end thereof. It is attached to block the part.
Thus, by making the elbow rest support portion 9 substantially V-shaped in cross section, the space on the passage side and the seated person side can be secured, and the design can be improved. That is, the appearance of the armrest 8 can be made smart and simple.
The armrest 8 is formed by the armrest support portion 9 and the armrest member 10.

  The elbow rest member 10 is made of a molded body of synthetic resin having elasticity, and a hanging piece 11 hanging from the front end thereof is provided with a window hole 12 having a rectangular shape in front view and a screw insertion hole 13 at the lower center thereof. Yes.

A pair of left and right bosses 14, 14 are provided at the lower rear portion of the elbow rest member 10, and a screw hole 15 is provided at the center of the lower surface of each boss portion 14.
The elbow rest member 10 has a fixing screw 16 inserted from the front through a screw insertion hole 13 provided in the hanging piece 11 in a state of fitting on the elbow rest support portion 9 so as to close the upper surface opening. Screwed into and tightened into a screw hole 17 provided on the front end face of the elbow rest support portion 9 and inserted from below into a pair of left and right screw insertion holes 18, 18 provided in the rear portion of the elbow rest support portion 9. The fixed screws 19, 19 are screwed into the screw holes 15, 15 and tightened, whereby the fixing screws 19 are firmly attached to the elbow support 9 so as to be detachable.

  As shown in FIG. 4, a pair of left and right bearing pieces 21, 21 having an upward recessed portion 20 formed at the lower end are provided at the front surface of the lower surface of the elbow rest member 10. In the recesses 20 and 20, both end portions of the pivot shaft 23 formed integrally with the operation lever 22 as the operation means and facing in the left-right direction are fitted from below so as to be rotatable around the central axis.

  The operation lever 22 is connected to a pair of left and right side pieces 24, 24 extending forward and downward from the pivot 23 and the tips of both side pieces 24, 24, and projects forward from the window hole 12 of the elbow rest member 10. When the handle portion 25 stands up from the flat handle portion 25 and the rear portion of the handle portion 25, closes the window hole 12 above the handle portion 25, and the handle portion 25 is turned upward, it hangs down on the elbow rest member 10. A closing piece 26 that is raised along the rear surface of the piece 11 and an arm piece 27 that extends rearward and obliquely downward from the central portion in the left-right direction of the pivot 23 are provided.

As shown in FIG. 4, a pair of front and rear boss portions 28, 28 project downward from a portion slightly behind the bearing pieces 21, 21 on the lower surface of the elbow rest member 10. A fixing screw 32 for fastening the plate-like presser piece 30 and the holding piece 31 facing in the front-rear direction as shown in FIGS. 2 and 3 is screwed into each screw hole 29 provided in FIG. By tightening the fixing screws 32, 32, the presser piece 30 and the holding piece 31 are firmly fixed to the lower surface of the elbow rest member 10 in a state where they are superposed vertically.
A pressing member 32 is formed by the pressing piece 30 and the holding piece 31.

  The forward projections 30a, 30a projecting forward from both sides of the front end of the presser piece 30 are both sides of the pivot 23 of the operating lever 22 fitted from below into the recesses 20, 20 of the left and right bearing pieces 21, 21. The pivot 23 is prevented from coming out of the recess 20 by contacting the lower surface of the end.

  The holding piece 31 is an L-shaped in side view composed of a horizontal piece 31a parallel to the presser piece 30 and a hanging piece 31b hanging from the front end thereof. The hanging piece 31b is provided with a holding hole 33. Yes.

  In the holding hole 33, a connection end cap 37 provided at one end of a flexible outer tube 36 that guides a flexible cable 35 that is a core material of the Bowden cable 34 so as to be slidable in the axial direction. Is inserted.

  An end member 38 fixed to one end of the cable 35 drawn forward from the end cap 37 is connected to the lower end portion of the arm piece 27 of the operation lever 22 with a shaft 39 facing in the left-right direction. .

  The Bowden cable 34 is drawn into the pedestal 1 through the armrest 8, the standing part 7 and the base part 6 in the side frame member 4 in order, and connected to the operated means there, or further from there It is drawn into the backrest 3 and connected to the operated means provided in the backrest 3 there.

  The operated means may be anything as long as it can be operated by the operating lever 22 as the operating means. For example, the reclining mechanism of the backrest 3 disposed in the chair, the backrest 3 An urging force adjusting mechanism, a front / rear position adjusting mechanism of the seat 2, and the like can be used.

  As an example, when the operated means is a reclining mechanism of the backrest 3, although not shown, the lower end portion of the backrest 3 pivotally attached to the pedestal 1 with an axis facing the left and right direction, and the front portion of the pedestal 1 Are connected with a gas spring, and the other end of the cable 35 in the Bowden cable 34 is fastened to a lever that pushes a push button for enabling expansion and contraction of the gas spring, and the lever is pivotally attached. The other end of the outer tube 36 in the Bowden cable 34 may be fastened to the supporting means.

  In this embodiment, as shown in FIG. 3, from the state where the rear end of the handle 25 of the operating lever 22 is stopped at the inoperative position in contact with the lower edge of the window hole 12, the handle 25 is When pivoted upward, the arm piece 27 of the control lever 22 is pivoted clockwise in FIG. 3, and the cable 35 is pulled forward, whereby the lever is pulled by the cable 35, The push button is rotated in the direction of pushing, and by pushing the push button at this time, the gas spring can be expanded and contracted, and the backrest 3 can be freely tilted backward.

  When the hand 3 is released from the handle 25 of the operation lever 22 in a state where the backrest 3 is tilted back to an arbitrary rearward tilt angle, the push button is pushed out by the action of the return spring in the gas spring. The lever is returned and rotated, and the operation handle 22 is also returned and rotated to the original inoperative position shown in FIG.

  Further, with the configuration as in this embodiment, the side frame member 4 including the elbow rest support portion 9 which is a large molded body does not need to be subjected to fine processing for mounting the operation lever 22, and Further, the processing for mounting the operation lever 22 on the flat elbow rest member 10 can be easily performed in a wide work space, and the workability at the time of processing can be improved.

Moreover, after the operation lever 22 and the Bowden cable 34 are attached to the elbow rest member 10 in advance, the operation lever 22 is simply attached to the elbow rest support portion 9. It can be easily and quickly assembled on a narrow armrest.
Moreover, since the elbow rest support portion 9 has a substantially V-shaped cross section, the inner space of the elbow rest support body 9 becomes wider toward the upper side, and the operation lever 22 and the pressing member 32 can be accommodated with a margin. At the same time, the Bowden cable 34 can be stably disposed at the bottom of the V-shaped groove on the upper part of the elbow support 9 so as not to move sideways.

The present invention is not limited to the above-described embodiments, and can be implemented in various modified forms without departing from the scope of the claims.
For example, as shown in FIG. 5, the holding member 40 is provided at the front end of the horizontal mounting piece 40a with a pair of forward protruding portions 40b, 40b similar to the forward protruding portions 30a, 30a of the holding piece 30. Further, a hanging piece 40c may be provided at the rear end of the mounting piece 40a, and a holding hole 41 for fitting an end cap 37 provided at one end of the outer tube 36 may be provided therein.

  Further, instead of providing the hanging piece 11 on the elbow rest member 10, an upright piece (not shown) is provided at the front end of the elbow rest supporting portion 9, and a window hole 12, a screw insertion hole 13 or the like is provided there, and the screw insertion hole. The fixing screw inserted through 13 may be tightened by screwing into a screw hole provided on the front end surface of the elbow rest member 10.

1 pedestal 2 seat 3 backrest 4 side frame member (elbow rest support)
DESCRIPTION OF SYMBOLS 5 Middle part armrest 6 Base part 7 Standing part 8 Armrest 9 Elbow pad support part 10 Elbow pad member 11 Hanging piece 12 Window hole 13 Screw insertion hole 14 Boss part 15 Screw hole 16 Fixing screw 17 Screw hole 18 Screw insertion hole 19 Fixing screw 20 recess 21 bearing piece 22 operation lever (operation means)
23 Axis 24 Side piece 25 Handpiece part 26 Closure piece 27 Arm piece 28 Boss part 29 Screw hole 30 Pressing piece 30a Forward projecting part 31 Holding piece 31a Horizontal piece 31b Hanging piece 32 Holding member 33 Holding hole 34 Bowden cable 35 Cable 36 Outer Tube 37 End cap 38 End member 39 Shaft 40 Presser member 40a Mounting piece 40b Forward projection 40c Hanging piece 41 Holding hole

Claims (5)

In the chair in which the operated means provided on the seat or the backrest and the operating means provided on the armrest are linked to each other with a flexible cable, and the operated means is operated by the operating means.
The armrest is composed of an elbow rest support fixed to the side portion of the seat and an elbow rest member attached to the upper end of the armrest so as to be detachable, and the operation means is attached to the lower surface of the elbow rest member. Characteristic chair.   The operating means is pivotally attached to the lower surface of the front portion of the elbow rest member with a pivot shaft facing in the left-right direction, and the front end portion projects forward from an opening provided at the front end of the elbow rest member or the upper front end of the elbow rest support, and The chair according to claim 1, further comprising an operation lever having a cable end fixed to a portion away from the pivot.   A part of the pivot of the operating lever is fitted from below into the upward recess provided on the front lower surface of the elbow rest member, and a part of the presser member provided on the front lower surface of the elbow rest member is So that the pivot is prevented from coming out of the recess, and the other end of the pressing member is used to support the terminal portion of the flexible outer tube that guides the cable so as to be slidable in the axial direction. The chair according to claim 2.   Side view in which the holding member supports the end of the outer tube at the lower end of a flat piece that holds a part of the pivot and a hanging piece that hangs down from one end of a horizontal piece parallel to the holding piece. The chair according to claim 3, comprising an inverted L-shaped holding piece.   The upper part of the elbow rest support body is an arm-like one having a substantially V-shaped cross section and facing forward, and an elbow rest member is attached to the opening at the upper end so as to close the opening. A chair according to any of the above.

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