JP2007044137A - Arm rest - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve the effective utilization of a sitting space by securing the application area of a load rack member while reducing the occupying space corresponding to the sitting space during the unuse period. <P>SOLUTION: The load rack member 3 formed in a shape having a broad surface 3a and a narrow surface 3b on the side of the end of an arm rest body 2 disposed on the side part of a seat S is so arranged as to be rotatable between the position of turning the broad surface 3a upward about a shaft 6 along the length of the arm rest body (constitution diagram indicated by double-dot chain line) and the position of turning the broad surface 3a to the side way (constitution diagram indicated by solid line). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an armrest attached to a seat such as a vehicle or a chair.

  As this type of armrest, for example, the armrest body is rotated on the side of a car seat between a retracted state in which the armrest body is in a substantially vertical position behind the side of the seat and a use state in which the side of the seat is in a substantially horizontal position. There is one in which a storage box that can be installed and used in a cup holder or the like is incorporated at the tip of the armrest body (see, for example, Patent Document 1).

JP-A-7-213378

  However, in the armrest having the above-described configuration, both the armrest surface that faces upward when the armrest body is used and the object placement surface that faces upward when the storage box is used are formed in a certain area. Therefore, if the armrest surface of the armrest body is formed to be wide so as to be used jointly with a person sitting next to it, for example, the seat space is reduced. Further, if the object placement surface of the storage box is formed wide so that, for example, a large-diameter cup can be placed, there is also a problem that the seat space is reduced.

  The object of the present invention is to solve such a problem, and it is possible to secure a sufficient use area of the armrest body and the storage table member, and to reduce the occupied space in the seat space when they are not used. It is intended to provide an armrest that can be used effectively to make effective use of the seating space.

  In the armrest according to the first aspect of the present invention, a storage base member formed in a shape having a wide surface and a narrow surface on the distal end side of the armrest body disposed on the side portion of the seat is a longitudinal direction of the armrest body. It is characterized in that it is provided so as to be rotatable between a state where the wide surface faces upward around the shaft along the direction and a state where the wide surface faces sideward.

  An armrest according to a second aspect of the present invention includes an armrest body that is disposed on a side portion of a seat and has a wide surface and a narrow surface, and a wide surface and a narrow surface that are attached to the distal end side of the armrest body. The armrest main body and the storage base member each have a state in which the wide surface faces upward around the shaft along the longitudinal direction of the armrest main body, and the wide surface faces sideways. It is characterized by being provided so as to be able to rotate between the state of being directed.

An armrest according to a third aspect of the present invention is such that an armrest body disposed on a side portion of a seat and having a wide surface and a narrow surface has a wide surface facing upward around a shaft along the longitudinal direction of the armrest body. It is characterized in that it is provided so as to be rotatable between a state in which the wide surface is directed and a state in which the wide surface is directed to the side.
In this case, as in the invention described in claim 4, a storage table member can be integrally provided on the distal end side of the armrest body.

  The armrest according to a fifth aspect of the present invention is the armrest according to any one of the first to fourth aspects, wherein the armrest body is in a stowed state in which the armrest body is in a substantially vertical posture behind the side of the seat and in a substantially horizontal posture in the side of the seat. It can be installed so as to be able to rotate between the usage states.

  According to the first aspect of the present invention, the storage table member formed in a shape having the wide surface and the narrow surface has the wide surface facing upward around the shaft along the longitudinal direction of the armrest body, and the wide surface is on the side. It is provided so as to be able to rotate in the direction facing the direction, so the storage table member can be rotated so that the wide surface faces upward when in use, so that the wide surface is cup, drink can stand, ashtray, or accessory Can be used widely in places such as a cup with a large diameter, and when not in use, it can be stored compactly in a narrow seating space by rotating so that the wide surface faces sideways. .

  According to the invention described in claim 2, the armrest body and the pedestal table member rotate between a state in which the wide surface is directed upward and a state in which the wide surface is directed sideways around the shaft along the longitudinal direction of the armrest body. Since the armrest body or pedestal member is rotated so that each wide surface faces upward when in use, the wide surface of the armrest body can be used for armrests jointly with the person sitting next to it The wide surface of the storage table member can be used for a cup stand, an ashtray, or an accessory storage. When the armrest body or the storage table member is not used, the armrest body or the storage table member can be compactly accommodated in a narrow seat space by being rotated so that the respective wide surfaces face sideways.

  According to the third and fourth aspects of the present invention, the armrest body formed on the side portion of the seat and having a wide surface and a narrow surface has a wide surface around the shaft along the longitudinal direction of the armrest body. Since the armrest body is provided so as to be rotatable between a state in which it faces upward and a state in which the wide surface faces sideward, the armrest body is rotated so that the wide surface faces upward when in use. It can be used for armrests jointly with the person who sits together, and when not in use, it can be stored compactly in a narrow seating space by rotating so that the wide surface faces sideways.

  According to the fifth aspect of the present invention, the armrest main body is rotatably installed between the stowed state in which the armrest body is in a substantially vertical posture at the rear side of the seat and the use state in which the armrest body is in a substantially horizontal posture at the side portion of the seat. Therefore, when the armrest is not used, the seat space can be fully used for the seat by storing the armrest main body in a substantially vertical posture behind the side of the seat.

  A preferred embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an armrest showing an embodiment of the present invention, FIG. 2 is a perspective view showing a use state of a storage table member of the armrest, and FIG. 3 is a shaft portion connecting the armrest body and the storage table member of the armrest FIG. 4 is an exploded perspective view of the shaft portion of the armrest, and FIG. 5 is a cross-sectional view of the shaft portion connecting the armrest body and the backrest portion of the armrest.

  In FIG. 1 and FIG. 2, the armrest 1 includes an armrest body 2 disposed on the side of the seat S, and a storage table member 3 attached to the distal end portion 2 c of the armrest body 2. The armrest body 2 has a base end portion 2d on the side surface of the backrest portion B of the seat S and a storage state in which the armrest body 2 is in a substantially vertical posture behind the side portion of the seat S around the shaft 5 orthogonal to the longitudinal direction of the armrest body 2 (see FIG. 1 (refer to a state diagram indicated by a two-dot chain line) and a use state (refer to a state diagram indicated by a solid line in FIG. 1) in a substantially horizontal posture on the side portion of the seat S so as to be rotatable in the front-rear direction. .

  On the other hand, the storage table member 3 has a cross-sectional rectangle or a cross-sectional oval shape having wide surfaces 3a and 3a facing each other and narrow surfaces 3b and 3b facing each other adjacent to the wide surfaces 3a and 3a. (Rectangular shape). Then, the storage table member 3 abuts the proximal end portion 3c of the storage table member 3 and the distal end portion 2c of the armrest body 2 and around the shaft 6 incorporated so as to extend along the longitudinal direction of the armrest body 2 between the butted surfaces. A state in which the wide surfaces 3a, 3a are directed upward and downward, and the narrow surfaces 3b, 3b are directed to the sides (see a state diagram shown by a two-dot chain line in FIG. 1), and the wide surfaces 3a, 3a are directed to the sides, The narrow surfaces 3b, 3b are provided so as to be rotatable between a state in which the narrow surfaces 3b and 3b are directed vertically (see a state diagram indicated by a solid line in FIG. 1). In the illustrated example, the wide surface 3a of the storage table member 3 is provided with a recess 4 for standing a cup, a beverage can or the like so that it can be used for a cup holder. It can also be configured so that it can be used.

  As shown in FIGS. 3 and 4, the shaft 6 includes a mounting portion 7 having a flat surface 7 a formed on a part of the circumference thereof, and one end of the mounting portion 7 that protrudes integrally through a flange portion 8 and has a circumferential shape. A small-diameter shaft portion 9 having flat surfaces 9a and 9a formed on the opposing portion, and a male screw 10 provided at the tip of the small-diameter shaft portion 9 are provided.

  As shown in FIG. 3, the shaft 6 has the attachment portion 7 inserted into the distal end portion 2 c of the armrest body 2 along the longitudinal direction of the armrest body 2, and is fixed with a set screw 11. The small-diameter shaft portion 9 of the shaft 6 protrudes from the distal end portion 2 c of the armrest body 2 and is inserted into the bearing hole 14 of the bearing plate 13 fixed to the end surface of the base end portion 3 c of the storage table member 3 with a set screw 12. The small-diameter shaft portion 9 of the shaft 6 is a tilt hinge provided with a friction mechanism 15. When the object table member 3 is rotated around the shaft 6, the bearing plate 13 rotates together with the friction force generated by the friction mechanism 15 at that time. The storage table member 3 can be stopped and held at an arbitrary rotation angle.

  As shown in FIGS. 3 and 4, the friction mechanism 15 is inserted into the small-diameter shaft portion 9 of the shaft 6 with a rotation angle restricting washer 16 and a washer 17 having a locking claw 16 a on a part of the circumference thereof in a non-rotating manner. Between the washer 17 and one side surface of the bearing plate 13, an insertion hole 18a provided with a first friction washer 18 made of a material having excellent mechanical strength and wear resistance such as stainless steel and phosphor bronze is provided at the center. It arrange | positions by making it penetrate the small diameter axial part 9. FIG. The locking claw 16a of the rotation angle regulating washer 16 has one end in a notch 13a provided on the circumference of the bearing plate 13 by rotating the bearing plate 13 together with the object table member 3 by a predetermined angle (for example, 90 degrees). The wall portion 13b or the other end wall portion 13d is abuttingly engaged. Thereby, the storage table member 3 can be surely stopped and held in a state where the wide surface 3a is directed upward and a state where the wide surface 3a is directed sideways. The first friction washer 18 is provided with a small hole 18b that serves as a grease reservoir.

  The small-diameter shaft portion 9 that protrudes from the bearing plate 13 to the other side surface is inserted with a second friction washer 19 made of a material having excellent mechanical strength and wear resistance, such as stainless steel or phosphor bronze, at the center thereof. The hole 19a is inserted into the small-diameter shaft portion 9, and a locking claw 19c provided in a part of the circumference of the hole 19a is engaged with a locking hole 13c provided in the bearing plate 13, whereby one side surface of the second friction washer 19 is bearing. The plate 13 is integrally fixed to the other side of the plate 13. Further, on the other side of the second friction washer 19, an insertion hole 20 a provided with a third friction washer 20 at the center thereof is inserted through the small diameter shaft portion 9. Similar to the first friction washer 18, the second and third friction washers 19 and 20 are provided with small holes 19b and 20b, respectively, which serve as grease reservoirs.

  A tightening nut 23 is fastened to the male screw 10 of the small diameter shaft portion 9 protruding from the third friction washer 20 via a disc-shaped spring washer 21 and a presser washer 22. By tightening the tightening nut 23, the first friction washer 18 is brought into pressure contact with one side surface of the bearing plate 13, and the third friction washer 20 is brought into pressure contact with the second friction washer 19 on the other side surface of the bearing plate 13.

  In this case, by rotating the storage table member 3 around the shaft 6 together with the bearing plate 13, the second friction between the first friction washer 18 and one side surface of the bearing plate 13 and on the other side surface of the bearing plate 13 is obtained. A frictional force is generated between the washer 19 and the third friction washer 20, and the object table member 3 can be stopped and held at an arbitrary rotation angle by this frictional force.

  The storage table member 3 formed in such a shape having the wide surface 3a and the narrow surface 3b rotates between the state in which the wide surface 3a faces upward around the shaft 6 and the state in which the wide surface 3a faces sideways. If it is provided, the storage table member 3 can be used for a cup holder for standing a cup or a drink can by rotating the wide surface 3a so that the wide surface 3a faces upward at the time of use. Especially large diameter cups can be set up. In addition, the wide surface 3a can also be configured so as to be used for ashtrays or small items as described above. And the storage table member 3 can be compactly accommodated in a narrow seat space by rotating so that the wide surface 3a faces to the side when not in use.

  In the shaft 5 that connects the base end portion 2d of the armrest body 2 and the side surface of the backrest portion B of the seat S, as shown in FIG. A small-diameter shaft portion 9 that is integrally protruded at one end thereof through a flange portion 8 and is formed with flat surfaces 9a and 9a at circumferentially opposed portions, and a male screw 10 provided at the tip of the small-diameter shaft portion 9. . The shaft 5 is inserted and fixed to the side surface of the backrest portion B with the attachment portion 7 so as to be orthogonal to the longitudinal direction of the armrest body 2. The small-diameter shaft portion 9 of the shaft 5 protrudes from the side surface of the backrest portion B, and is inserted into the bearing hole 14 of the bearing plate 13 that is fixed to the end surface of the base end portion 2d of the armrest body 2 with a set screw 12. The small diameter shaft portion 9 of the shaft 5 is a tilt hinge provided with a friction mechanism 15. When the armrest body 2 is rotated in the front-rear direction between the retracted state in which the armrest body 2 is in a substantially vertical posture behind the side of the seat S around the shaft 5 and the use state in which the side of the seat S is in a substantially horizontal posture. The armrest body 2 can be stopped and held at an arbitrary rotation angle by the frictional force generated by the friction mechanism 15 at the same time. Since the specific configuration of the friction mechanism 15 is the same as the configuration of the friction mechanism 15 shown in FIG. 4 described above, the same reference numerals are assigned to the same members, and descriptions thereof are omitted.

  When the armrest 1 is not in use, the armrest body 2 can be fully used in the seat by storing the armrest body 2 in a substantially vertical posture behind the side of the seat S.

  FIG. 6 is a perspective view of an armrest showing another embodiment. In this embodiment, the armrest 1 has a cross-sectional rectangle or ellipse shape having wide surfaces 2a and 2a facing each other and narrow surfaces 2b and 2b facing each other adjacent to the wide surfaces 2a and 2a (in the illustrated example, the cross-section is a cross-section). (Rectangular) armrest body 2, cross-sectional rectangle or ellipse shape having wide surfaces 3 a, 3 a that face each other, and narrow surfaces 3 b, 3 b that face each other adjacent to the wide surfaces 3 a, 3 a And a storage table member 3 formed in a rectangular shape in the illustrated example.

  The armrest body 2 has an armrest body 2d attached to an attachment member 25 whose base end 2d is attached to the side surface of the backrest portion B of the seat S so as to rotate in the front-rear direction around the shaft 24 perpendicular to the longitudinal direction of the armrest body 2. 2 with the wide surfaces 2a, 2a facing up and down and the narrow surfaces 2b, 2b facing sideways (see FIG. 6B), and the wide surfaces 2a, 2a sideways. The narrow surfaces 2b and 2b are provided so as to be rotatable between the first and second surfaces (see FIG. 6A).

  The storage table member 3 has a state in which the wide surfaces 3a, 3a are directed upward and downward and the narrow surfaces 3b, 3b are directed laterally around the shaft 27 along the longitudinal direction of the armrest body at the distal end portion 2c of the armrest body 2 (FIG. 6B). )) And a state (see FIG. 6A) in which the wide surfaces 3a and 3a are directed to the side and the narrow surfaces 3b and 3b are directed vertically (see FIG. 6A). The shafts 24, 26, and 27 are each provided with the friction mechanism 15 in the same manner as the shafts 5 and 6.

According to the armrest 1 of this embodiment, the armrest body 2 or the storage table member 3 is rotated so that the wide surfaces 2a and 3a face upward when in use, so that the wide surfaces 2a of the armrest body 2 sit next to each other. The wide surface 3a of the storage table member 3 can be widely used for a cup stand, an ashtray, an accessory storage, and the like. When the armrest body 2 or the storage table member 3 is not used, the wide surfaces 2a and 3a are turned sideways and the narrow surfaces 2b and 3b are turned upside down to be compact in a narrow seating space. Can be paid.
Further, since the attachment member 25 is attached to rotate around the shaft 24 orthogonal to the longitudinal direction of the armrest body 2 in the front-rear direction, when the attachment member 25 is rotated in the front-rear direction, the armrest body 2 becomes the storage table member 3. To the storage state in which the seat S is in a substantially vertical posture at the rear side of the seat S and the use state in which the seat S is in a substantially horizontal posture (see the state diagram indicated by the solid line in FIG. 6A). Can do.

  FIG. 7 is a perspective view of an armrest showing still another embodiment. In this embodiment, the armrest 1 has a cross-sectional rectangle or ellipse shape having wide surfaces 2a and 2a facing each other and narrow surfaces 2b and 2b facing each other adjacent to the wide surfaces 2a and 2a (in the illustrated example, the cross-section is a cross-section). The armrest body 2 is formed in a rectangular shape, and the storage table member 3 is integrally formed on the distal end side of the armrest body 2. As in the case of the embodiment shown in FIG. 6, the armrest body 2 has a base end portion 2 d in the back-and-forth direction around the shaft 24 perpendicular to the longitudinal direction of the armrest body 2 on the side surface of the backrest portion B of the seat S. A state in which the wide surfaces 2a, 2a are directed to the sides around the shaft 26 along the longitudinal direction of the armrest body 2 and the narrow surfaces 2b, 2b are directed upward and downward on the mounting member 25 mounted to rotate (solid line in FIG. 7). It is provided so as to be rotatable between a state in which the wide surfaces 2a and 2a are directed vertically and the narrow surfaces 2b and 2b are directed to the sides. The shafts 24 and 26 having the friction mechanism 15 as in the shafts 5 and 6 are used.

  Also in the armrest 1 of this embodiment, the armrest body 2 can be used for armrest in cooperation with a person sitting next to it by rotating the armrest body 2 so that the wide surface 2a faces upward when in use. When not in use, the wide surface 2a is rotated so that it faces sideways, so that it can be compactly accommodated in a narrow seat space. Further, by rotating the mounting member 25 in the front-rear direction, the armrest main body 2 is brought into a storage state in which the armrest body member 2 is accompanied by the storage table member 3 and is in a substantially vertical posture behind the side portion of the seat S, and To the use state (see the state diagram indicated by the solid line in FIG. 6A).

  Needless to say, the armrest of the present invention can be applied not only to the seats of automobiles and trains but also to chairs and the like.

It is a perspective view of the armrest which shows one Example of this invention. It is a perspective view which shows the use condition of the storage stand member of the armrest. It is sectional drawing of the shaft part which connects the armrest main body of the same armrest, and a storage stand member. It is a disassembled perspective view of the shaft part of the armrest. It is sectional drawing of the shaft part which connects the armrest main body and backrest part of the armrest. It is a perspective view of the armrest which shows another Example, (a) is a state figure which made each armrest main body and the storage stand member the narrow surface upward, (b) is each wide surface which makes the armrest main body and the storage stand member each wide surface FIG. Furthermore, it is a perspective view of the armrest which shows other Examples, and is a state figure which made the armrest main body and the storage base member each upward with the narrow surface.

Explanation of symbols

S Seat 1 Armrest 2 Armrest body 2a Wide surface of armrest body 2b Narrow surface of armrest body 3 Storage table member 3a Wide surface of storage table member 3b Narrow surface of storage table member 5, 6, 26, 24, 27 Shaft

Claims (5)

  A state in which a table member formed in a shape having a wide surface and a narrow surface on the front end side of the armrest body arranged on the side portion of the seat has the wide surface upward around the shaft along the longitudinal direction of the armrest body And an armrest, wherein the armrest is rotatable between the wide surface and a state in which the wide surface is directed to the side.   An armrest body that is disposed on the side of the seat and has a wide surface and a narrow surface, and a storage base that is attached to the distal end side of the armrest body and has a wide surface and a narrow surface And the armrest body and the pedestal base member are provided so as to be rotatable between a state in which the wide surface faces upward and a state in which the wide surface faces sideways around the shaft along the longitudinal direction of the armrest body. The armrest is characterized by being made.   The armrest body formed on the side of the seat and having a wide surface and a narrow surface has a state in which the wide surface faces upward around the shaft along the longitudinal direction of the armrest body, and the wide surface faces sideways. An armrest, wherein the armrest is provided so as to be rotatable between the facing direction.   The armrest according to claim 3, wherein a storage table member is integrally provided on a distal end side of the armrest body. 5. The armrest body according to claim 1, wherein the armrest body is installed so as to be rotatable between a storage state in which the armrest body is in a substantially vertical posture behind the side of the seat and a use state in which the armrest body is in a substantially horizontal posture on the side of the seat. The armrest according to item 1.

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