WO2012099061A1 - 椅子 - Google Patents
椅子 Download PDFInfo
- Publication number
- WO2012099061A1 WO2012099061A1 PCT/JP2012/050722 JP2012050722W WO2012099061A1 WO 2012099061 A1 WO2012099061 A1 WO 2012099061A1 JP 2012050722 W JP2012050722 W JP 2012050722W WO 2012099061 A1 WO2012099061 A1 WO 2012099061A1
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- WO
- WIPO (PCT)
- Prior art keywords
- frame
- back frame
- head
- respect
- slide
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/036—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a head-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Definitions
- the present invention relates to a chair.
- the headrest of the chair rises with respect to the backrest in conjunction with the tilting motion of the backrest, and the gaze of the seated person is moved forward.
- the purpose is to provide a chair in which the headrest of the chair can be tilted against the backrest in conjunction with the tilting motion of the backrest when it is desired to take a sleeping posture with the backrest greatly tilted It is.
- a chair of the present invention has a back frame that can be raised and lowered, and a head frame that can be raised and lowered with respect to the back frame,
- the head frame rises with respect to the back frame as the back frame is tilted backward from the standing state, and the angle of the head frame with respect to the vertical axis of the back frame becomes a predetermined angle.
- the head frame falls with respect to the back frame,
- the head frame rises with respect to the back frame as the back frame is raised from the lying state, and after the angle of the head frame with respect to the vertical axis of the back frame becomes a predetermined angle,
- the head frame tilts with respect to the back frame as the back frame is raised.
- the chair of the present invention further comprises a guide groove and a guide member provided so as to be movable in the guide groove, According to the inclination angle of the back frame with respect to the horizontal plane, the position of the guide member in the guide groove changes, By changing the position of the guide member in the guide groove, the angle of the head frame relative to the vertical axis of the back frame may be changed.
- the chair of the present invention further includes a slide frame whose position with respect to the vertical axis direction of the back frame changes according to the inclination angle of the back frame with respect to a horizontal plane,
- the angle of the head frame with respect to the vertical axis of the back frame may be changed by changing the relative position of the back frame and the slide frame in the vertical axis direction.
- the slide frame moves in a seating direction with respect to the back frame as the back frame is tilted backward, and in a direction opposite to the seat with respect to the back frame as the back frame is raised. You may make it move.
- the guide groove may be provided in the head frame.
- the head frame is moved relative to the back frame as the back frame is tilted.
- the head frame tilts with respect to the back frame as the back frame rises, so that the seated person tilts the back frame (backrest) slightly from the standing position and watches the TV in front.
- the head frame (headrest) rises with respect to the back frame rather than when the back frame stands up, so that it is easier to hold the seated person's line of sight forward.
- the head frame tilts with respect to the back frame as the back frame is tilted until the angle of the back frame with respect to the vertical axis of the back frame of the front surface of the head frame reaches a predetermined angle. Because the head frame rises with respect to the back frame as the back frame is raised, the seated person's neck does not get tired when the back frame (backrest) is greatly tilted to take a sleeping position. Can take a good posture.
- the chair of the present invention does not require the head frame to be manually tilted as in the prior art, and the head frame is raised with respect to the back frame as described above in conjunction with the tilting operation of the back frame.
- the chair is easy to operate, without worrying about the angle of the headrest.
- FIG. 5 is a side view taken along line EE in FIG. 4.
- FIG. 6 is a side sectional view showing a state in which the back frame is tilted from the state of FIG. 5.
- FIG. 7 is a side sectional view of the state where the back frame is further tilted from the state of FIG. 6.
- FIG. 6 is a sectional view taken along line FF in FIG. 5.
- Example 1 of this invention shows the relationship between the backrest of a chair and a seat, and is the side schematic diagram of the state of FIG.
- the side surface schematic of the state of FIG. In the side view which shows the state which stood the backrest of the chair in Example 2 of this invention, the frame part is shown on description and the cushion material and skin material are abbreviate
- the side view of the state which fell the backrest from the state of FIG. FIG. 14 is a side view of the state where the backrest is further tilted from the state of FIG. 13.
- FIG. 17 It is a side view which shows the state which stood up the backrest of the chair in Example 3 of this invention, The frame part is shown on description and the cushion material and skin material are abbreviate
- the side view of the state which fell the backrest from the state of FIG. FIG. 17 is a side view of the state where the backrest is further tilted from the state of FIG. 16.
- the frame part is shown on description and the cushion material and skin material are abbreviate
- FIG. 25 is a side view of a state where the backrest is tilted from the state of FIG. 24.
- FIG. 26 is a side view of the state where the backrest is further tilted from the state of FIG. 25.
- FIG. 28 is a side view of the state where the backrest is tilted from the state of FIG. 27.
- FIG. 29 is a side view of the state where the backrest is further tilted from the state of FIG. 28.
- the chair 1 has a pedestal 2 as shown in FIGS.
- a turntable 3 is provided so as to be rotatable with respect to the pedestal 2 with the vertical direction (vertical direction) as a rotation axis.
- a chair frame 4 is fixed to the turntable 3.
- the seating side of the chair 1, that is, the side opposite to the back frame 8 (backrest 28) in FIG. 5 is the front A
- the back frame 8 side is the rear B
- the chair frame 4 has side frames 4a and 4b and a lower frame 4c constructed between the lower ends of the side frames 4a and 4b. 4c is integrally formed.
- the turntable 3 is fixed at the lower center of the lower frame 4c, and the turntable 3 is formed so as to be inclined downward from the front A toward the rear B as shown in FIG. Yes.
- a cylindrical base portion 3 a is provided at the rear portion of the turntable 3 so as to stand up and down (vertical direction).
- the base 3a is rotatably connected to the pedestal 2.
- support shafts 7 and 7 projecting horizontally (in the CD direction) from the inner surface are fixed to the upper rear of the side frames 4a and 4b.
- a back frame 8 is provided on the support shaft 7 so as to be rotatable forward and backward with the support shaft 7 as a central axis.
- the back frame 8 has a pair of side frames (hereinafter referred to as back side frames) 8a, 8b on the left and right sides.
- 8a and 8b were constituted by cylindrical and hollow metal pipes.
- the side frames 8 a and 8 b on both backs are provided so that the axial direction thereof is orthogonal to the left and right (CD) direction of the chair 1.
- the support shafts 7 and 7 are inserted in the axially intermediate portions of the respective back side frames 8a and 8b, and the back side frames 8a and 8b are arranged in the front-rear direction around the support shafts 7 and 7. It is provided so that it can rotate.
- a connecting rod 8c is installed between the upper portions of the two side frames 8a and 8b.
- a seat frame 10 is connected to the lower ends of the side frames 8a and 8b on both backs so as to be rotatable in the front-rear (AB) direction.
- the seat frame 10 has a pair of left and right side frames (hereinafter referred to as seat side frames) 10a and 10b.
- the seat side frames 10a and 10b are cylindrical and hollow metal. Made of pipe made of metal.
- the side frames 10a and 10b of the seat are provided so that the axial direction thereof is positioned in the front-rear (AB) direction of the chair 1.
- a front seat frame 10c is installed between the front ends of the side frames 10a and 10b of the both seats, and a rear seat frame 10d is installed between the rear ends of the side frames 10a and 10b of the both seats.
- connecting pieces 10e and 10e are provided on both sides of the rear seat frame 10d so as to protrude in the rear B direction from the rear seat frame 10d.
- the lower ends of the side frames 8a and 8b on both backs are connected to each other so as to be able to rotate back and forth around a connecting shaft 10f provided horizontally in the left-right (CD) direction.
- seat guide members 11 and 11 are provided on the inner surfaces of the side frames 4a and 4b of the chair frame 4, and the seat guide member 11 is shown in FIGS.
- the seat guide members 11, 11 are provided with guide receiving members 12, 12 movable along the seat guide members 11, 11.
- Inside the guide receiving members 12 and 12 axially intermediate portions of the side frames 10a and 10b of the both seats are connected by a seat shaft 12a provided horizontally in the left and right (CD) direction.
- seat shaft 12a provided horizontally in the left and right (CD) direction.
- side frames 10a and 10b of the seat are provided so as to be rotatable forward and backward.
- the seat frame 10 can rotate around the seat shaft 12 a and can move back and forth along the guide member 11.
- Head guide members 14 and 14 are provided at the upper ends of the side frames 8a and 8b on both backs, respectively.
- Each of the head guide members 14 and 14 has plate-like members 14a and 14a, and one end portion (lower end portion) of the plate-like members 14a and 14a is fixed to the side frames 8a and 8b on both backs.
- the pins 14b and 14b are provided in the other end part (upper end part) of the longitudinal direction of the said plate-shaped members 14a and 14a. As shown in FIGS. 3 and 4, the pin 14b is provided so as to protrude outward in the left-right (CD) direction from the outer surface of the plate-like member 14a.
- the slide frames 15 are provided on the back side frames 8a and 8b so as to be slidable along the axial direction of the back side frames 8a and 8b. As shown in FIGS. 1 and 5 to 7, the slide frame 15 is disposed on the front A side with respect to the back frame 8. As shown in FIGS. 1 and 3, the slide frame 15 has a pair of slide side frames 15 a and 15 b on the left and right and a connecting member 20. In the first embodiment, the slide side frames 15a and 15b are formed of cylindrical and hollow metal pipes. The slide side frames 15a and 15b are provided so that the axial direction thereof is substantially parallel to the back side frames 8a and 8b.
- a connecting rod 17 is installed between the rear sides of the upper portions of the slide side frames 15a and 15b, and a connecting rod 18 is installed between the rear sides of the lower portions of the slide side frames 15a and 15b.
- connecting members 20 and 20 are fixedly provided by a fixing member 20a on the upper and lower rear B sides (back frame 8 side) of the right slide side frame 15a.
- connecting members 20 and 20 are fixedly provided by a fixing member 20a on the upper and lower rear B sides (back frame 8 side) of the left slide side frame 15b.
- the right connecting members 20, 20 are loosely fitted to the right back side frame 8a so as to be slidable in the axial direction thereof, that is, in the vertical axis direction of the back frame 8.
- the left connecting members 20 and 20 are also loosely fitted to the left back side frame 8b so as to be slidable in the axial direction, and the slide frame 15 extends along the axial direction of the back side frames 8a and 8b. And is slidable. That is, the slide frame 15 is movable along the axial direction of the back side frames 8a and 8b.
- any material can be used as long as it can be molded in a solid state such as plastic, metal, wood, etc.
- polyacetal POM
- a back back panel 21 is fixed on the rear B side of the connecting member 20, and the slide frame 15 and the back back panel 21 are integrated to form the back side frames 8a and 8b. It is movable along the axial direction.
- the back panel 21 includes a back plate 21a and both side plates 21b and 21b provided on both sides of the back plate 21a.
- the right side plate 21 b is provided between the right slide side frame 15 a and the right side frame 4 a of the chair frame 4, and the left side plate 21 b is provided between the left slide side frame 15 b and the left side frame 4 b of the chair frame 4.
- the both side plates 21b and 21b are formed with long holes 21c penetrating the front and back so that the longitudinal direction thereof is the axial direction of the back side frames 8a and 8b.
- the shaft 7 penetrates.
- a head frame 22 is provided at the upper ends of the slide side frames 15a and 15b.
- the head frame 22 has a pair of head cams 22a and 22a on the left and right sides.
- the head shafts 22b and 22b that are horizontally provided in the left and right (CD) direction are provided on the upper ends of the slide side frames 15a and 15b.
- the head frame 22 is provided so as to be rotatable forward and backward.
- the head cam 22a is formed in a plate shape, and a guide groove 23 that opens at least on the inner surface is formed on the inner side.
- the guide groove 23 may be formed as a through hole that penetrates to the outer surface of the head cam 22a, or may be formed as a bottomed groove that does not open in the outer surface of the head cam 22a.
- a head back panel 25 is provided at the rear of the head cam 22a.
- the guide groove 23 includes a first guide groove 23a that inclines toward the rear B as it goes upward from the lower portion of the head cam 22a, and the first guide groove.
- An arcuate groove 23b formed in an arc shape at the upper part of 23a, and a second guide groove 23c that inclines toward the front A side from the lower side of the head cam 22a to the upper part of the arcuate groove 23b. It is formed in a shape.
- the pin 14b of the back frame 8 is loosely fitted so as to be movable along the guide groove 23.
- one end portion (lower end portion) of the link 27 is horizontally provided in the left-right (CD) direction at the lower end portions of the slide side frames 15a and 15b.
- the rotary shaft 27a is connected so as to be rotatable back and forth around this.
- the other end (upper end) of the link 27 is attached to an inner surface of the upper rear B side of the side frames 4a and 4b of the chair frame 4 by a rotating shaft 27b provided horizontally in the left and right (CD) direction. As a center, it is connected so that it can rotate back and forth.
- the link 27 is provided so that the other end side rotation shaft 27b is positioned at an upper portion of the front A from the one end side rotation shaft 27a in a state where the back frame 8 is erected as shown in FIGS. Yes.
- the link 27 is formed in a plate shape, its side surface shape is formed in an arc shape, and is provided so that the center side of the arc is located on the front side A.
- the side surface of the link 27 can have an arbitrary shape such as a straight line other than the arc shape as described above.
- a first cloth spring (not shown) is provided between the slide side frames 15a and 15b and between the head cams 22a and 22a, and both sides thereof are provided with biasing means (not shown). Are attached to the slide side frames 15a and 15b and the head cams 22a and 22a.
- the upper end of the first cloth spring is fixed to a connecting rod (not shown) provided between the upper ends of the head cams 22a, 22a, and the lower end of the first cloth spring is fixed to the lower connecting rod 18 of the slide frame 15. It is fixed.
- Both sides of the first cloth spring are urged toward the slide side frame 15a (15b) by the urging means.
- a spring is used as the biasing means.
- a back urethane material is fixed to the front surface of the first cloth spring provided between the slide side frames 15a and 15b by an adhesive or the like, and the front surface of the first cloth spring provided between the head cams 22a and 22a is provided with a head.
- a urethane material is fixed by an adhesive or the like.
- the first skin material (not shown) is the outer periphery of the slide frame 15, the back frame 8, the first cloth spring, the back urethane material, the head urethane material, the back back panel 21, and the head back panel 25. It is provided so as to cover the entire part.
- the first skin material may be fixed to any one of the slide frame 15, the back frame 8, the first cloth spring, the back urethane material, the head urethane material, the back back panel 21, and the head back panel 25. May not be fixed.
- a back cushion material is constituted by the first cloth spring provided between the slide side frames 15a and 15b and the back urethane material.
- the back cushion material is not limited to the cloth spring or the urethane material, but is optional.
- a cushioning material can be used.
- a backrest 28 is constituted by the slide frame 15, the back frame 8, the back cushion material, the back back panel 21, and the first skin material.
- a head cushion material is composed of the first cloth spring provided between the head cams 22a and 22a and the head urethane material.
- the head cushion material any cushion material other than the cloth spring and the urethane material may be used. Can be used.
- the headrest 30 is configured by the head frame 22, the head cushion material, the head back panel 25, and the first skin material.
- the seat frame 10 is provided with a second cloth spring (not shown), and both sides thereof are fixed to the side frames 10a and 10b of the seat, respectively, and the front end of the second cloth spring is fixed to the front seat frame 10c.
- the rear end portion of the second cloth spring is fixed to the seat rear frame 10d through biasing means (not shown), and the rear end portion of the second cloth spring is seated by the biasing means.
- the frame 10 is biased toward the rear side.
- a spring is used as the biasing means.
- a seat urethane material is fixed to the upper portion of the second cloth spring with an adhesive or the like.
- the seat cushion material is composed of the second fabric spring and the seat urethane material, but any cushion material other than the fabric spring and urethane can be used as the seat cushion material.
- a second skin material (not shown) is provided so as to cover the seat frame 10 and the entire outer periphery of the seat cushion material.
- the second skin material may be fixed to any one of the seat frame 10, the second cloth spring, and the seat urethane, or may not be fixed to any of them.
- a seat 29 is constituted by the seat frame 10, the seat cushion material, and the second skin material.
- the seat frame 10 is pushed forward A by the lower end portion of the back frame 8 as the back frame 8 is gradually tilted, and gradually moves upward along the seat guide member 11.
- the head frame 22 is rotatably connected to the upper end of the slide frame 15, the head frame 22, together with the slide frame 15, is located on the lower side (in the direction of the seat 29) as shown in FIGS. 6 and 10.
- the head guide member 14 moves relatively upward (in the direction opposite to the seat 29) relative to the head cam 22a (guide groove 23). That is, the pin 14b gradually moves upward in the first guide groove 23a inclined backward B as it goes from the lower part to the upper part.
- the angle ⁇ between the axis of the back side frames 8a and 8b (the vertical axis of the back frame 8) and the front surface of the head frame 22 (head cam 22a) gradually increases, and the headrest 30 (head frame 22). However, it gradually rises with respect to the backrest 28 (back frame 8).
- the angle ⁇ of the front surface of the head frame 22 (head cam 22a) with respect to the vertical axis of the back frame 8 (axis of the back side frames 8a and 8b) is The maximum (predetermined value).
- the chair 1 according to the first embodiment of the present invention exhibits the following actions and effects.
- the back cushion member provided on the slide frame 15, the back back panel 21, and the first skin material move together in the direction of the seat 29.
- the slide frame 15, the back cushioning material, and the first skin material are all moved in the opposite direction to the seat 29 as 8 (backrest 28) is raised.
- the amount of change in the distance between the backrest 28 and the front lower portion 28a is extremely small as compared with a chair in which the back cushion material does not move relative to the back frame 8 in conjunction with the rise and fall of the backrest 28.
- the chair 1 can be used comfortably without having to change clothes or re-sit.
- the backrest 28 when the backrest 28 is raised and lowered, the user and the epidermis of the backrest 28 can be prevented from being rubbed, and the pain of the epidermis of the backrest 28 can be reduced.
- the back frame 8 is gradually lowered from the standing state, and the back frame 8 (backrest 28) is gradually moved until the angle ⁇ of the front surface of the head frame 22 with respect to the vertical axis of the back frame 8 reaches a predetermined value.
- the seat occupant slightly tilts the backrest 28 of the chair 1 and moves forward.
- the headrest 30 is raised with respect to the backrest 28 as compared with the state shown in FIGS.
- the head frame 22 (headrest 30) is moved back as the back frame 8 (backrest 28) is tilted.
- the back frame 8 backrest 28
- the seated person's neck does not get tired. You can take an easy posture.
- the link 27 is provided so that the other end side rotation shaft 27b is positioned at the upper part of the front A from the one end side rotation shaft 27a in a state where the back frame 8 is erected as shown in FIGS. However, as the back frame 8 is tilted backward by the link 27, the slide frame 15 moves downward (toward the seat 29), and as the back frame 8 is raised forward, the slide frame 15 moves upward (to the seat 29).
- the shape of the link 27 and the positional relationship between the link 27 and other members can be arbitrarily set.
- the slide frame 15 is moved back and forth according to the inclination angle ⁇ of the vertical axis of the back frame 8 (the axes of the back side frames 8a and 8b) with respect to the horizontal plane.
- the angle ⁇ of the front surface of the head frame 22 with respect to the axis of the back side frames 8a and 8b is changed according to the inclination angle ⁇ of the back frame 8.
- the method is an embodiment different from the first embodiment.
- the head frame 35 is centered on a head shaft 35c provided horizontally in the left-right (CD) direction at the upper ends of the slide side frames 15a and 15b. In addition, it is provided to be rotatable forward and backward.
- the rear B side surface of the head frame 35 is a first taper surface 35a that inclines toward the rear B side from the lower end portion to the center portion as it goes upward. From the upper end of the surface 35a to the upper end part of the head frame 35, it forms as the 2nd taper surface 35b which inclines to the front A side, so that it goes upwards.
- the back frame 8 has a pair of back side frames 8a and 8a on the left and right sides. As shown in FIG. 12, when the back frame 8 stands up, the upper ends of the back side frames 8a and 8a are Although different from the back frame 8 of the first embodiment in terms of the structure located at the lower rear portion of the first tapered surface 35a, the other structure is the same as that of the back frame 8 of the first embodiment.
- connection link 37 One end (upper end) of the connection link 37 is connected to the center of the head frame 35 so as to be rotatable back and forth about a rotation shaft 37a provided horizontally in the left-right (CD) direction.
- the other end (lower end) is connected to the upper ends of the back side frames 8a, 8a so as to be rotatable back and forth around a rotating shaft 37b provided horizontally in the left-right (CD) direction.
- the connecting link 37 is provided such that one end side rotating shaft 37a is positioned in front of and above the other end side rotating shaft 37b in a state where the back frame 8 stands. Yes.
- the slide frame 15 moves in the lower (seat 29) direction along the back side frames 8a and 8a. Further, when the back frame 8 is gradually raised from a lying state as shown in FIG. 14, the slide frame 15 moves upward (opposite to the seat 29 direction) along the back side frames 8 a and 8. Move to.
- the head frame 35 gradually rises with respect to the back frame 8. That is, the angle ⁇ of the front surface of the head frame 35 with respect to the vertical axis of the back frame 8 gradually increases.
- the head frame 35 moves relative to the back frame 8 as the back frame 8 rises.
- the back frame 8 is further raised after the angle ⁇ reaches the maximum (predetermined value)
- the head frame 35 gradually moves relative to the back frame 8 as the back frame 8 rises. It will fall back and will be in the state shown in FIG.
- the relative position of the back frame 8 and the slide frame 15 in the vertical axis direction changes, so that the back frame 8 on the front surface of the head frame 35 is changed.
- the angle ⁇ with respect to the vertical axis (the axis of the back side frame 8a) changes.
- the slide frame 15 is moved in the axial direction of the back side frames 8a and 8b according to the inclination angle ⁇ of the vertical axis of the back frame 8 with respect to the horizontal plane.
- the method of changing the angle ⁇ of the front surface of the head frame 45 with respect to the axis of the back side frames 8a, 8b according to the inclination angle ⁇ of the back frame 8 is the same as in the first and second embodiments. Are different embodiments.
- the fixed head member 42 fixed to the upper end of the slide side frame 15a is formed in a plate shape, and the fixed head member 42 is formed with a bending guide groove 43 penetrating the front and back. .
- the bending guide groove 43 only needs to be formed so that at least the outer side of the fixed head member 42 opens, and the bending guide groove 43 may be formed by a through-hole penetrating the front and back, or the fixed head member.
- the bottom 42 may be formed with a bottomed groove that does not open.
- the bent guide groove 43 is fixed to the first guide groove 43a that inclines forward A toward the upper part from the lower part of the fixed head member 42 and the upper part of the first guide groove 43a.
- a second guide groove 43b that inclines to the rear B side as it goes from the lower side to the upper side of the head member 42 is formed to bend in a continuous " ⁇ " shape.
- the head frame 45 has a pair of head cams 45a and 45a on the left and right.
- Each head cam 45a has a head shaft 45d horizontally provided in the left and right (CD) direction outside the lower portion of each fixed head member 42. In the center, it is provided so as to be able to rotate back and forth.
- a long hole-shaped guide groove 45b is provided with one end (lower end) in the longitudinal direction at the lower portion of the head cam 45a and the other end (upper end) near the upper center of the head cam 45a. As it goes from the top to the top, it is formed in a straight line toward the rear B direction.
- the long hole-shaped guide groove 45b has a long hole-shaped guide with respect to the axial direction of the back side frames 8a, 8b.
- the upper end of the groove 45b is inclined so as to be positioned forward.
- a guide member 46 is loosely fitted through both the elongated guide groove 45b and the bent guide groove 43, and the guide member 46 is an elongated guide groove. 45b and the bending guide groove 43 are movably provided.
- the engaging portions of the guide member 46 with the guide grooves 45b and 43 are formed in a pin shape in this embodiment.
- the guide member 46 moves up and down in the bent guide groove 43 and the elongated hole-shaped guide groove 45b, and the guide
- the angle ⁇ of the front surface of the head frame 45 with respect to the axes of the back side frames 8a and 8b changes.
- the head frame 45 gradually rises with respect to the back frame 8 as the guide member 46 gradually moves downward in the second guide groove 43b and the elongated guide groove 45b from the position of the uppermost end thereof. That is, the angle ⁇ of the front surface of the head frame 45 with respect to the vertical axis of the back frame 8 gradually increases.
- the head frame 45 is moved backward as the guide member 46 gradually moves downward in the first guide groove 43a and the long hole-shaped guide groove 45b.
- the frame 8 is gradually tilted, that is, the angle ⁇ is gradually reduced.
- a pin 45c is provided on the upper portion of each head cam 45a so as to protrude inward from the inner surface thereof. As shown in FIGS. 15 to 17, the pin 45c is located on the front side of the head cam 45 and on the opposite side of the seat 29 with respect to the elongated guide groove 45b.
- a first moving member 48 which is formed of a string-like metal wire that can be bent at an arbitrary place, a vinyl rope, and the like and moves the guide member 46, supports one end thereof as shown in FIGS.
- the shaft 7 is fixed to the shaft 7, the intermediate portion thereof is slidably hooked on the outer side of the rotary shaft 27 a on the slide frame 15 side of the link 27, and the other end is fixed to the guide member 46.
- the guide member 46 is provided so as not to be slack.
- a metal wire is used as the first moving member 48.
- a second moving member 49 that is formed of a string-like metal wire that can be bent at an arbitrary place, a vinyl rope, and the like and that moves the guide member 46 has one end thereof. Is fixed to the support shaft 7, and the intermediate portion thereof is slidably hooked on the outside of the pin 45 c of the head cam 45 a and folded, and the other end is fixed to the guide member 46.
- the guide members 46 are provided so as not to loosen.
- a metal wire is used as the second moving member 49.
- the slide frame 15 when the back frame 8 is gradually tilted backward from the standing state as shown in FIG. 15, the slide frame 15 is seated along the back side frames 8a and 8b. Move in the 29 (downward) direction. Further, when the back frame 8 is gradually raised from the lying down state as shown in FIG. 17, the slide frame 15 moves in the direction opposite to the seat 29 (upward) along the back side frames 8a and 8b. Moving.
- the slide frame 15 gradually moves downward (seat 29) with respect to the back frame 8.
- the distance between the rotation shaft 27a of the slide side frame 15a and the support shaft 7 gradually increases, the first moving member 48 is pulled downward (seat 29), and the guide member 46 is The second guide groove 43b and the elongated hole-like guide groove 45b are gradually moved downward.
- the head frame 45 moves together with the slide frame 15 in the downward direction, and the distance between the support shaft 7 and the pin 45c in the second moving member 49 is shortened, so that the guide member 46 is inserted into the guide grooves 43b and 45b. Can be moved downward.
- the head frame 45 gradually rises with respect to the back frame 8, that is, the angle ⁇ of the front surface of the head frame 45 with respect to the axes of the back side frames 8a and 8b gradually increases. To go.
- the angle ⁇ reaches the maximum (predetermined value).
- the guide member 46 gradually moves downward in the first guide groove 43a and the elongated hole-shaped guide groove 45b, so that the head frame 45 is moved back.
- the frame 8 is gradually tilted backward, that is, the angle ⁇ is gradually decreased, and the back frame 8 is laid down as shown in FIG.
- the guide member 46 gradually moves in the guide grooves 43 b and 45 b by the moving member 49.
- the head frame 45 gradually rises with respect to the back frame 8 as the back frame 8 rises from the lower side to the upper side. After the angle ⁇ reaches a predetermined value, the back frame 8 is further raised.
- the head frame 45 gradually falls with respect to the back frame 8 as the back frame 8 rises.
- the relative position of the back frame 8 and the slide frame 15 in the vertical axis direction changes, so that the back of the front surface of the head frame 45 is changed.
- the angle ⁇ with respect to the vertical axis of the frame 8 (the axes of the back side frames 8a and 8b) changes.
- the angle ⁇ of the front surface of the head frame 45 with respect to the vertical axis of the back frame 8 changes.
- the guide member 46 is moved in the guide grooves 43 and 45b by the moving members 48 and 49 in response to the rising and falling of the back frame 8.
- the moving members 48 and 49 Any one can be used as long as the guide member 46 is moved to a predetermined position in the guide grooves 43 and 45b in accordance with the rising and falling of the back frame.
- One of 49 may be replaced by a biasing means such as a coil spring.
- the back cushion material is attached to the slide frame 15 and the back cushion material is moved together with the slide frame 15.
- the back cushion material is used as the back frame 8.
- the back cushion material does not move relative to the back frame 8 as the back frame 8 rises and falls, the head frame depends on the inclination angle ⁇ of the back frame 8 as in the first to third embodiments.
- the angle ⁇ of the front surface with respect to the axis of the back side frame is changed.
- the head frames 22, 35, 45 are provided at the upper end portion of the slide frame 15 so as to be able to rotate back and forth.
- the head frame is provided at the upper end portion of the back frame. The difference lies in that the head shaft provided horizontally in the left-right (CD) direction is provided to be rotatable back and forth.
- the relative position of the slide frame with respect to the back frame changes, so that the vertical axis (back side) of the back frame on the front surface of the head frame is changed.
- the angle ⁇ with respect to the axis of the frame changes, and as in the first to third embodiments, the head frame gradually rises with respect to the back frame as the back frame is gradually tilted backward from the standing state, and the angle When the back frame is further tilted after ⁇ reaches a predetermined angle, the head frame gradually tilts backward with respect to the back frame as the back frame is gradually tilted backward.
- FIGS. 18 to 20 show an example in which the fourth embodiment is applied to the first embodiment, and the fourth embodiment will be described with reference to FIGS. 18 to 20.
- a head frame 51 is provided at the upper part of the back frame 8 so as to be rotatable back and forth around a head shaft 51b provided horizontally in the left-right (CD) direction.
- the head frame 51 has a pair of head cams 51a and 51a on the left and right, and a guide groove 52 that opens only inside is provided on the inner surface of each head cam 51a.
- the guide groove 52 has a first guide groove 52a that inclines to the rear B side from the lower part to the upper part of the head cam 51a, and an arc shape on the upper part of the first guide groove 52a.
- the formed arc groove 52b and the second guide groove 52c provided linearly from the lower part of the head cam 51a to the upper part of the arc groove 52b are formed in a " ⁇ " shape. Further, as shown in FIG. 18, in the state where the back frame 8 is erected, the longitudinal direction of the second guide groove 52c is such that its upper side is positioned forward with respect to the axial direction of the back side frames 8a and 8b. Inclined.
- the back frame 8 is provided with a back cushion material, and the skin material is provided in the same manner as in the first embodiment.
- a slide frame 53 is provided at the rear of the back frame 8. As shown in FIGS. 18 to 20, on the upper and lower A side (back frame 8 side) of the left and right slide side frames in the slide frame 53, as shown in FIGS. 20 is fixed by a fixing member. Further, the connecting member 20 is loosely fitted so as to be slidable in the vertical axis direction of the back frame 8, and the slide frame 53 is slidable along the axial direction of the back frame 8 as in the first to third embodiments. Is provided.
- the slide frame 53 has a pair of slide side frames 53a and 53a on the left and right sides. As shown in FIGS. The lower end portion is coupled to be rotatable forward and backward about a rotation shaft 54a provided horizontally in the left-right (CD) direction. The other end (upper end) of the link 54 is centered on a rotary shaft 54b provided horizontally in the left-right (CD) direction on the inner surface of the upper rear B side of the side frames 4a, 4b of the chair frame 4. It is connected to be able to rotate back and forth.
- a rotation shaft 54 b with the chair frame 4 is provided so as to be positioned above the front portion of the rotation shaft 54 a with the slide frame 53.
- the slide side frames 53a and 53a are formed substantially in parallel with the back side frames 8a and 8b as shown in FIGS. It is formed to be bent so as to be located forward as it goes to the side, and to be inclined with respect to the back frame 8.
- the upper ends of the slide side frames 53a and 53a are located in front of the axis extension lines of the back side frames 8a and 8b.
- a guide member 55 is fixed to the upper end portions of the slide side frames 53a and 53a so as to protrude outward from the outer surface of the slide side frames 53a and 53a in the left-right (CD) direction. Is loosely fitted in the guide groove 52 so as to be movable. As shown in FIGS. 18 to 20, the guide member 55 is located in front A of the axial extension line of the back side frames 8a and 8b. In this embodiment, a pin is used as the guide member 55.
- the slide frame 53 is as shown in FIGS. Next, it moves in the seat 29 (lower side) direction along the back side frames 8a and 8b. Further, when the back frame 8 is gradually raised from the lying down state as shown in FIG. 20, the slide frame 53 moves in the direction opposite to the seat 29 (upward) along the back side frames 8a and 8b. Moving.
- the guide member 55 When the back frame 8 is gradually tilted from the standing state as shown in FIG. 18 and the slide frame 53 is gradually moved downward (seat 29) with respect to the back frame 8, the guide member 55 is As shown in FIG. 18 to FIG. 20, it moves parallel to the axes of the back side frames 8a and 8b. At this time, the guide member 55 is positioned in front A of the back side frames 8a and 8b, and the second guide groove 52c is inclined with respect to the axis of the back side frames 8a and 8b.
- the angle ⁇ of the front surface of the head frame 51 with respect to the axes of the back side frames 8a and 8b gradually increases, and the head frame 51 gradually rises with respect to the back frame 8.
- the angle ⁇ of the front surface of the head frame 51 with respect to the vertical axis of the back frame 8 becomes the maximum (predetermined value).
- the guide member 55 gradually moves downward in the first guide groove 52a that is inclined to the front A side from the upper side to the lower side.
- the angle ⁇ is gradually reduced, the head frame 51 gradually falls with respect to the back frame 8, and the back frame 8 is in a fallen state as shown in FIG.
- the head frame 51 moves relative to the back frame 8 as the back frame 8 rises.
- the back frame 8 is further raised after the angle ⁇ reaches a predetermined value, the head frame 51 gradually falls with respect to the back frame 8 as the back frame 8 rises.
- the relative position in the vertical axis direction of the back frame 8 and the slide frame 53 is changed, so that the back of the front surface of the head frame 51 is changed.
- the angle ⁇ with respect to the vertical axis of the frame 8 changes.
- the angle ⁇ of the front surface of the head frame 51 with respect to the vertical axis of the back frame 8 changes.
- 21 to 23 show an example of the fifth embodiment.
- the lower ends of the slide side frames 15a (15b) and 53a and the both side frames 4a (4b) of the chair frame 4 are connected by a single link 27 and 54.
- the intermediate part in the axial direction of the slide side frames 15 a (15 b) and 53 a and the both side frames 4 a (4 b) of the chair frame 4 are connected by a plurality of links 61, and the back frame 8 is tilted backwards.
- the slide frame 15 moves in the direction opposite to the seat 29 as the slide frame 15 moves in the direction of the seat 29 and the back frame 8 is raised.
- FIGS. 21 to 23 show an example in which the fifth embodiment is applied to the first embodiment, which will be described with reference to FIGS. 21 to 23.
- FIG. 21 to 23 show an example in which the fifth embodiment is applied to the first embodiment, which will be described with reference to FIGS. 21 to 23.
- the axial intermediate portions of the slide side frames 15 a and 15 b and the both side frames 4 a and 4 b of the chair frame 4 are connected by a link 61.
- the link 61 is composed of three links, a first link 62, a second link 63, and a third link 64, as shown in FIGS.
- One end (upper end) of the first link 62 is rotatable in the front-rear direction around a rotation shaft 62a provided horizontally in the left-right (CD) direction at an intermediate portion in the axial direction of the slide side frames 15a, 15b.
- the other end (lower end) of the first link 62 is connected to one end (upper end) of the second link 63 so as to be able to rotate back and forth around a rotation shaft 62b provided horizontally in the left-right (CD) direction. It is connected.
- the axially intermediate portion other end side portion of the second link 63 can be rotated back and forth around a connecting shaft 63a provided horizontally on the back side frames 8a and 8b in the left-right (CD) direction. It is connected to.
- the connecting shaft 63a is provided in the vicinity of the rear portion of the support shaft 7.
- the other end (lower end) of the second link 63 is connected to one end (rear end) of the third link 64 so as to be rotatable back and forth around a rotation shaft 63b provided horizontally in the left-right (CD) direction. Has been.
- the other end (front end) of the third link 64 is front-rear (A ⁇ ) centered on a rotating shaft 64a provided horizontally in the left-right (CD) direction above the rear portions of the side frames 4a, 4b of the chair frame 4. B) It is connected rotatably in the direction.
- the head frame 22 also moves in the same manner as in the first to fourth embodiments.
- the lower ends of the slide side frames 15a (15b) and 53a and the both side frames 4a (4b) of the chair frame 4 are connected by the links 27, 54 and 61.
- the axially intermediate portions of the slide side frames 15a and 15b and the side frames 10a and 10b of the seat frame 10 are connected by the link 71, and the slide frame 15 moves toward the seat 29 as the back frame 8 is tilted.
- the slide frame 15 moves in the direction opposite to the seat 29 as the back frame 8 is moved.
- FIGS. 24 to 26 show examples in which the sixth embodiment is applied to the first embodiment, which will be described with reference to FIGS.
- the link 71 is formed of a single link as shown in FIGS. Further, the link 71 is formed in a plate shape, the side surface shape thereof is formed in an arc shape, and is provided so that the center side of the arc is located on the front side A.
- One end (upper end) of the link 71 is coupled to the middle portion in the axial direction of the slide side frames 15a and 15b so as to be rotatable forward and backward about a rotation shaft 71a provided horizontally in the left and right (CD) direction.
- the other end (lower end) of the link 71 is connected to the middle part of the side frames 10a and 10b of the seat so as to be rotatable back and forth around a rotating shaft 71b provided horizontally in the left and right (CD) direction. Yes.
- the link 71 can have an arbitrary shape such as a straight line in addition to the above shape. Further, the link 71 may have one end rotatably connected to the slide side frames 15a and 15b and the other end rotatably connected to the seat side frames 10a and 10b. Set as desired.
- the slide frame 15 is located on the side opposite to the seat 29 (upper side) along the back side frames 8a and 8b. ) Move in the direction.
- the head frame 22 also moves in the same manner as in the first to fifth embodiments.
- the back frame 8 is rotated about the support shaft 7, and the slide frames 15, 53 are moved by the links 27, 54, 61, 71 according to the up / down of the back frame 8.
- the support frame 7 is provided on the slide frames 15 and 53, and the back frame 8 is moved upward by the link so that the slide frames 15 and 53 are tilted backward (opposite to the seat 29). It is also possible to move downward (in the direction opposite to the seat 29) as the slide frames 15 and 53 stand up.
- the support shaft 7 fixed to the chair frame 4 is connected to an intermediate portion of the slide frames 15 and 53, and the slide frames 15 and 53 are provided to be rotatable back and forth around the support shaft 7.
- the slide frames 15 and 53 and the back frame 8 are connected via the connecting member 20 in the same manner as in the first to seventh embodiments, and the back frame 8 is arranged in the axial direction of the slide side frames 15a and 53a. It is prepared to be slidable along.
- the back frame 8 is moved upward (in the direction opposite to the seat 29) along the axial direction of the slide side frames 15a and 53a by the link.
- the seat frame 10 also moves rearward with respect to the lower ends of the slide frames 15 and 53 so that the rear end of the seat frame 10 and the lower ends of the slide frames 15 and 53 relatively gradually approach each other. .
- the back frame 8 moves downward (in the direction of the seat 29) along the axial direction of the slide side frames 15a and 53a.
- the seat frame 10 also moves forward relative to the lower ends of the slide frames 15 and 53 so that the rear end of the seat frame 10 and the lower ends of the slide frames 15 and 53 are gradually moved away from each other.
- the slide frames 15 and 53 move toward the seat 29 with respect to the back frame 8 as the back frame 8 falls down. Further, as the back frame 8 rises, the slide frames 15 and 53 move in the direction opposite to the seat 29 with respect to the back frame 8.
- the positional relationship between the slide frames 15 and 53 and the back frame 8 in the first to seventh embodiments may be opposite to that in the first to seventh embodiments.
- the slide frames 15 and 53 are provided, and the slide frames 15 and 53 are moved in the axial direction of the back side frames 8a and 8b, whereby the head frames 22, 35, 45, and 51 are provided.
- the angle ⁇ of the front surface with respect to the axis of the back side frames 8a and 8b was changed.
- the back frame 81 was tilted up and down without providing a slide frame.
- the angle ⁇ of the front surface of the head frame 82 with respect to the axes of the back side frames 81a and 81a is changed according to the inclination angle ⁇ of 81.
- the back frame 81 has a pair of back side frames 81a and 81a on the left and right sides, and a fixed head member 84 is fixed to the top of the back side frame 81a.
- the fixed head member 84 is formed in a plate shape, and an arcuate guide groove 84a penetrating the front and back is formed.
- the arcuate guide groove 84a is formed in an arcuate shape as shown in FIGS. 27 to 29, and is formed so that the center of the arc is located in the rear B.
- the head frame 82 has a pair of head cams 82a, 82a.
- Each head cam 82a is centered around a head shaft 82d provided horizontally in the left-right (CD) direction outside the lower portion of each fixed head member 84. It is provided so as to be rotatable forward and backward.
- Each head cam 82a is provided with a long hole-shaped guide groove 82b in a straight line shape with one end in the longitudinal direction positioned at the lower part of the head cam 82a and the other end closer to the center upper part of the head cam 82a.
- a guide member 83 is provided so as to penetrate both the elongated hole-shaped guide groove 82b and the arc-shaped guide groove 84a, and to be loosely fitted. It is movable along both the guide groove 82b and the arcuate guide groove 84a.
- the engaging portions of the guide member 83 with the guide grooves 82b and 84a are formed in a pin shape in this embodiment.
- the guide member 83a moves in the vertical direction in both the guide grooves 82b, 84a
- the guide member 83 As the position changes, the angle ⁇ of the front surface of the head frame 82 with respect to the axes of the back side frames 81a and 81a changes. That is, the head frame 82 gradually rises with respect to the back frame 81 as the guide member 83 moves the guide grooves 82b and 84a gradually upward from the lowest position thereof, that is, the angle ⁇ gradually increases. After the angle ⁇ reaches the maximum (predetermined value), the head frame 82 gradually falls with respect to the back frame 81 as the guide member 83 gradually moves upward, that is, the angle ⁇ gradually increases. It is supposed to become smaller.
- one end (rear end) of the first connecting link 87a is front and rear with a rotating shaft 87c provided horizontally in the left and right (CD) direction below the back frame 81. It is connected to the pivotable. Further, the other end (front end) of the first connection link 87a is rotated back and forth around a rotation shaft 87d provided horizontally in the left-right (CD) direction at one end (upper end) of the second connection link 87b. Connected as possible. The other end (lower end) of the second connecting link 87b is connected to the side frames 10a and 10b of the seat so as to be pivotable back and forth around a rotating shaft 87e provided horizontally in the left and right (CD) direction. ing.
- each head cam 82a there is provided a pin 82c that protrudes inward in the left-right (CD) direction from the inner surface thereof.
- a biasing member 85 is provided between the guide member 83 and the pin 82c, and the guide member 83 is always biased in the direction of the pin 82c (upper side) by the biasing member 85.
- the urging member 85 any member can be used as long as it can urge the guide member 83 in the direction of the pin 82c. In this embodiment, a coil spring is used.
- the moving member 86 that is formed of a string-like metal wire that can be bent at an arbitrary place, a vinyl rope, and the like and that moves the guide member 83 has one end thereof connected to the first connecting link 87a and the second connecting link 87b.
- the intermediate shaft is slidably hooked on the outer side of the back seat connecting shaft 10f and folded, and the other end is fixed to the guide member 83.
- the guide member 83 is provided so as not to be slack.
- a metal wire is used as the first moving member 86.
- the guide member 83 gradually moves upward in the guide grooves 82b and 84a, and the head frame 82 gradually moves backward with respect to the back frame 81. Tilt down, that is, the angle ⁇ is gradually reduced, and the back frame 81 is in a fallen state as shown in FIG.
- the head frame 82 moves relative to the back frame 81 as the back frame 81 rises.
- the head frame 82 gradually falls with respect to the back frame 81 as the back frame 81 rises.
- the position of the guide member 83 in the guide grooves 82b and 84a changes, so that the back frame on the front surface of the head frame 82 is changed.
- the angle ⁇ with respect to the vertical axis 81 changes.
- the head frame 82 moves in the same manner as in the first to eighth embodiments, and the movement of the head frame 82 exhibits the same operations and effects as in the first to eighth embodiments. Can do.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
前記背フレームを、その起立状態から後方に倒すほど、前記ヘッドフレームが前記背フレームに対して起上がり、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が所定の角度となった後に、更に、背フレームを後方へ倒すほど、前記ヘッドフレームが前記背フレームに対して倒れ、
前記背フレームを、その倒伏状態から起こすほど、前記ヘッドフレームが前記背フレームに対して起上がり、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が所定の角度となった後に、更に、前記背フレームを起こすほど、前記ヘッドフレームが前記背フレームに対して倒れるようにしたことを特徴とするものである。
水平面に対する前記背フレームの傾斜角度に応じて、前記案内部材の前記案内溝内における位置が変化し、
前記案内部材の前記案内溝内における位置が変化することにより、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が変化するようにしてもよい。
前記背フレームとスライドフレームとの上下軸方向における相対位置が変化することにより、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が変化するようにしてもよい。
7 支軸
8,81 背フレーム
14,46,55,83 案内部材
15,53 スライドフレーム
22,35,45,51,82 ヘッドフレーム
23,43,45b,52,82b,84a 案内溝
α ヘッドフレームの、背フレームの上下方向の軸に対する角度
β 水平面に対する背フレームの傾斜角度
Claims (5)
- 起倒可能な背フレームと、該背フレームに対し起倒可能なヘッドフレームと、を有し、
前記背フレームを、その起立状態から後方に倒すほど、前記ヘッドフレームが前記背フレームに対して起上がり、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が所定の角度となった後に、更に、背フレームを後方へ倒すほど、前記ヘッドフレームが前記背フレームに対して倒れ、
前記背フレームを、その倒伏状態から起こすほど、前記ヘッドフレームが前記背フレームに対して起上がり、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が所定の角度となった後に、更に、前記背フレームを起こすほど、前記ヘッドフレームが前記背フレームに対して倒れるようにしたことを特徴とする椅子。 - 案内溝と、該案内溝内を移動可能に設けた案内部材を有し、
水平面に対する前記背フレームの傾斜角度に応じて、前記案内部材の前記案内溝内における位置が変化し、
前記案内部材の前記案内溝内における位置が変化することにより、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が変化するようにしたことを特徴とする請求項1記載の椅子。 - 水平面に対する前記背フレームの傾斜角度に応じて、該背フレームの上下軸方向に対する位置が変化するスライドフレームを有し、
前記背フレームとスライドフレームとの上下軸方向における相対位置が変化することにより、前記ヘッドフレームの、前記背フレームの上下方向の軸に対する角度が変化するようにしたことを特徴とする請求項1又は2記載の椅子。 - 前記スライドフレームが、前記背フレームを後方へ倒すほど、該背フレームに対して座方向に移動し、前記背フレームを起すほど、該背フレームに対して前記座と反対側方向に移動することを特徴とする請求項3記載の椅子。
- 前記案内溝を、ヘッドフレームに設けたことを特徴とする請求項2記載の椅子。
Priority Applications (4)
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SG2012092656A SG186373A1 (en) | 2011-01-17 | 2012-01-16 | Chair |
KR1020127032760A KR101510935B1 (ko) | 2011-01-17 | 2012-01-16 | 의자 |
CN201280001695.4A CN103096759B (zh) | 2011-01-17 | 2012-01-16 | 椅子 |
HK13112260.3A HK1184661A1 (zh) | 2011-01-17 | 2013-10-31 | 椅子 |
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JP2011-007090 | 2011-01-17 | ||
JP2011007090A JP5634891B2 (ja) | 2011-01-17 | 2011-01-17 | 椅子 |
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WO2012099061A1 true WO2012099061A1 (ja) | 2012-07-26 |
Family
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PCT/JP2012/050722 WO2012099061A1 (ja) | 2011-01-17 | 2012-01-16 | 椅子 |
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JP (1) | JP5634891B2 (ja) |
KR (1) | KR101510935B1 (ja) |
CN (1) | CN103096759B (ja) |
HK (1) | HK1184661A1 (ja) |
SG (1) | SG186373A1 (ja) |
WO (1) | WO2012099061A1 (ja) |
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GB2533217A (en) * | 2014-12-11 | 2016-06-15 | Integrated Furniture Tech Ltd | Adjustable furniture |
GB2534122A (en) * | 2014-12-11 | 2016-07-20 | Integrated Furniture Tech Ltd | Adjustable furniture |
GB2537799A (en) * | 2014-12-11 | 2016-11-02 | Integrated Furniture Tech Ltd | Adjustable furniture |
US10932584B2 (en) | 2015-03-11 | 2021-03-02 | Motus Mechanics Limited | Adjustable bed |
US20220087438A1 (en) * | 2019-01-24 | 2022-03-24 | Eevolv Ltd | Adjustable chair |
US11395549B2 (en) | 2018-08-09 | 2022-07-26 | Eevolv Ltd | Drive mechanism |
US11812857B2 (en) | 2016-06-13 | 2023-11-14 | Motus Mechanics Limited | Adjustable furniture |
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- 2012-01-16 KR KR1020127032760A patent/KR101510935B1/ko active IP Right Grant
- 2012-01-16 SG SG2012092656A patent/SG186373A1/en unknown
- 2012-01-16 WO PCT/JP2012/050722 patent/WO2012099061A1/ja active Application Filing
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Cited By (12)
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GB2533217A (en) * | 2014-12-11 | 2016-06-15 | Integrated Furniture Tech Ltd | Adjustable furniture |
GB2533216A (en) * | 2014-12-11 | 2016-06-15 | Integrated Furniture Tech Ltd | Adjustable furniture |
WO2016092249A1 (en) * | 2014-12-11 | 2016-06-16 | Integrated Furniture Technologies Limited | Adjustable furniture |
GB2534122A (en) * | 2014-12-11 | 2016-07-20 | Integrated Furniture Tech Ltd | Adjustable furniture |
GB2537799A (en) * | 2014-12-11 | 2016-11-02 | Integrated Furniture Tech Ltd | Adjustable furniture |
CN107205551A (zh) * | 2014-12-11 | 2017-09-26 | 整装家具科技有限公司 | 可调节家具 |
GB2533216B (en) * | 2014-12-11 | 2019-05-08 | Integrated Furniture Tech Limited | Adjustable furniture |
US10334951B2 (en) | 2014-12-11 | 2019-07-02 | Dewertokin Gmbh | Adjustable furniture |
US10932584B2 (en) | 2015-03-11 | 2021-03-02 | Motus Mechanics Limited | Adjustable bed |
US11812857B2 (en) | 2016-06-13 | 2023-11-14 | Motus Mechanics Limited | Adjustable furniture |
US11395549B2 (en) | 2018-08-09 | 2022-07-26 | Eevolv Ltd | Drive mechanism |
US20220087438A1 (en) * | 2019-01-24 | 2022-03-24 | Eevolv Ltd | Adjustable chair |
Also Published As
Publication number | Publication date |
---|---|
HK1184661A1 (zh) | 2014-01-30 |
CN103096759B (zh) | 2015-12-02 |
JP2012147850A (ja) | 2012-08-09 |
KR20130040199A (ko) | 2013-04-23 |
SG186373A1 (en) | 2013-01-30 |
KR101510935B1 (ko) | 2015-04-10 |
JP5634891B2 (ja) | 2014-12-03 |
CN103096759A (zh) | 2013-05-08 |
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