WO2012060658A2 - 다기능 의자 - Google Patents
다기능 의자 Download PDFInfo
- Publication number
- WO2012060658A2 WO2012060658A2 PCT/KR2011/008371 KR2011008371W WO2012060658A2 WO 2012060658 A2 WO2012060658 A2 WO 2012060658A2 KR 2011008371 W KR2011008371 W KR 2011008371W WO 2012060658 A2 WO2012060658 A2 WO 2012060658A2
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- WO
- WIPO (PCT)
- Prior art keywords
- seat frame
- armrest
- rotatably coupled
- coupled
- auxiliary
- 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
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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
- A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
- A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-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
- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/14—Standing-up or sitting-down aids
Definitions
- the present invention relates to a chair, and more particularly to a chair deformable according to the movement of the user's upper body center of gravity.
- the chair includes a seat, a backrest, and a leg supporting the backrest and the seat.
- Korean Registered Utility Model Publication No. 20-0355128 discloses a chair having a backrest configured to be laid back at a predetermined angle.
- conventional multifunctional chairs only provide the function of the backrest lying down.
- the conventional multifunctional chair is not configured to be suitable for a change in the posture of the user, such as a user sitting on the chair lying or standing up.
- the present invention is to solve the above problems, an object of the present invention is to provide a chair that is deformable according to the movement of the center of gravity of the seated user.
- a chair includes a seat frame, a plurality of legs, a backrest, and an armrest.
- the plurality of legs are rotatably coupled to the seat frame at the front and rear of the seat frame.
- the backrest is rotatably coupled to the seatframe at the rear of the seatframe.
- the armrest is rotatably coupled to the top of the leg.
- the armrest includes a moving member and a first elastic member. The moving member is held inside the armrest to move along the armrest and is rotatably coupled to the backrest.
- the first elastic member provides an elastic restoring force against the movement of the movable member inside the armrest.
- the moving member has a first guide slot formed in the moving member.
- the plurality of legs includes a front leg rotatably coupled to the armrest and the seat frame, a rear leg rotatably coupled to the armrest, and an auxiliary front leg rotatably coupled to the first guide slot and rotatably coupled to the seat frame.
- the front end may include a secondary hind limb that is rotatably coupled to the forelimb and rotatably coupled to the hind limb.
- the first slide member is rotatably coupled to the auxiliary forelimb and movably coupled in the front-rear direction along the seat frame, and the first slide member is rotatably coupled to the auxiliary hind leg and movable in the front-rear direction along the auxiliary hind limb. It may further include a second slide member coupled to.
- the chair may further include a seat frame driving device having a second elastic member and elastically connected to the armrest by the second elastic member to rotate the seat frame relative to the plurality of legs.
- the seat frame further includes an arc-shaped second guide slot formed on the upper side.
- the seat frame driving apparatus includes a first shaft having one end coupled to one side of the seat frame driving apparatus, a link member having one end coupled to the other end of the first shaft, and one end coupled to the other end of the link member, and the other end thereof being the second guide slot. It includes a second shaft moving along.
- the seat frame driving apparatus includes a second screw and a first nut screwed to the second screw.
- the other end of the second elastic member is connected to the first nut.
- the seat frame includes a support pin, a first seat frame rotatably coupled to the forelimb by the support pin, and a rotatably coupled to the forelimb by the support pin, the seat frame being rotated relative to the first seat frame about the support pin. It includes a second seat frame.
- the moving member includes a first screw and a rod screwed to the first screw and connected to the first elastic member and screwed by rotation of the first screw.
- the auxiliary forelimb includes an auxiliary sheet rotatably disposed with respect to the auxiliary forelimb, and a lifting device for elevating the auxiliary sheet.
- the elevating device includes a screw shaft, a second nut disposed on both sides of the auxiliary sheet and screwed to the screw shaft to be screwed along the screw shaft, a drive shaft disposed vertically to the screw shaft from the lower side of the auxiliary front leg, the screw shaft and the drive shaft. A worm wheel and a worm gear interposed therebetween.
- the elevating device includes a handle coupled to one end of the drive shaft by a ratchet mechanism.
- the auxiliary front leg further includes an auxiliary handle rotatably coupled at one end to the lower side of the auxiliary front leg and detachably coupled to the lower side of the handle.
- the chair according to an embodiment of the present invention can be easily and reliably laid back or returned to its original state according to the movement of the center of gravity of the user's upper body without a separate operation.
- the user can be used to support only the user's calf or legs by rotating only the auxiliary forelimb while sitting in the chair.
- the chair provides the ability to stand up, thus helping a user such as a patient or a disabled person to stand up.
- the auxiliary front leg is provided with a lifting device to elevate the auxiliary sheet, a user (for example, a patient with an uncomfortable leg, etc.) can also easily sit on the seat frame from the floor.
- FIG. 1 is a perspective view of a chair according to an embodiment of the present invention.
- Figure 2 is an exploded perspective view of the armrest of Figure 1;
- FIG. 3 is a perspective view of the armrest of FIG. 1.
- FIG. 4 is a cross-sectional view taken along line IV-IV of FIG. 3.
- FIG. 5 is a cross-sectional view taken along the line VV of FIG. 3.
- FIG. 6 is a side view showing the seat frame driving apparatus of FIG.
- FIG. 7 is a partial perspective view showing the armrest and the seat frame driving device of FIG.
- FIG. 8 is a side view illustrating a first state of the chair of FIG. 1.
- FIG. 9 is a side view illustrating a second state of the chair of FIG. 1.
- FIG. 10 is a side view illustrating a third state of the chair of FIG. 1.
- FIG. 11 is a partial perspective view showing another embodiment of the auxiliary forelimbs.
- FIG. 12 is a side view of FIG. 11.
- the chair according to the embodiment of the present invention can be used in three states.
- the first state see FIGS. 1 and 8
- the back of the chair is positioned almost perpendicular to the ground
- the second state see FIG. 9
- the third state see FIG. 9
- the back of the chair moves upward and forward from the first state.
- the chair 100 includes a seat frame 10, a leg 20, a backrest 30, an armrest 40, and a seat frame driving device 50. ).
- the sheet frame 10 includes a first sheet frame 11 and a second sheet frame 15.
- the first and second seat frames 11 and 15 may have an inverted U shape when viewed from above.
- the second seat frame 15 is disposed inside the first seat frame 11.
- the second seat frame 15 and the first seat frame 11 are rotatable relative to each other about the first support pin 21a.
- the second seat frame 15 is equipped with a cushion member 15a (or cloth member) to support the user.
- the seat frame 10 may be made of a hollow tubular member or a solid rod member.
- the tubular member or rod member may have various cross-sectional shapes.
- the seat frame 10 may be made of metal or plastic material. When the seat frame 10 is configured without the second seat frame 15, the cushion member 15a may be mounted to the first seat frame 11.
- the leg 20 includes a front leg 21, a rear leg 22, an auxiliary front leg 23, and an auxiliary rear leg 24.
- the front leg 21, the rear leg 22, and the auxiliary front leg 23 may have a U-shape.
- Leg 20 may be made of a hollow tubular member or a solid rod member.
- the tubular member or rod member may have various cross-sectional shapes.
- the leg 20 may be made of metal or plastic material.
- the lower side of the leg 20 may further include a caster or a wheel.
- the front leg 21 supports the seat frame 10 and the armrest 40. Both upper ends of the front legs 21 are rotatably hinged to the front of the armrest 40.
- the first and second seat frames 11 and 15 are rotatably coupled to the upper side of the front leg 21 by the first support pins 21a.
- the hind legs 22 support the armrest 40. Both upper ends of the rear legs 22 are rotatably hinged to approximately mid points of the armrest 40.
- the rear leg 22 is connected to the auxiliary rear leg 24 by the second slide member 22a.
- the second slide member 22a may have a hollow cylindrical shape.
- the second slide member 22a is rotatably coupled to the lower side of the rear leg 22.
- the second slide member 22a is coupled to the auxiliary rear leg 24 so as to be slidable in the front-rear direction along the auxiliary rear leg 24.
- the lower side of the hind limb 22 is rotatable relative to the secondary hind limb 24 and is movable forward and backward along the secondary hind limb 24.
- the second slide member 22a may be configured to be secured at any position of the secondary rear leg 24.
- the second slide member 22a may include a protrusion that elastically protrudes inward, and the auxiliary rear leg 24 may include a plurality of grooves engaged with the protrusion.
- the secondary forelimb 23 supports the user's leg or calf in the first or second state.
- the auxiliary front leg 23 is equipped with a cushion member 23a (or cloth member).
- the auxiliary front leg 23 is connected to the first seat frame 11 by the first slide member 23b.
- the first slide member 23b may have a hollow cylindrical shape.
- the first slide member 23b is rotatably coupled to the upper side of the auxiliary front leg 23.
- the first slide member 23b is coupled to the front of the first seat frame 11 so as to be slidable in the front-rear direction along the first seat frame 11.
- the upper side of the auxiliary front leg 23 is rotatable with respect to the first seat frame 11 and is movable in the front-rear direction along the first seat frame 11.
- the first slide member 23b may be configured to be fixed at an arbitrary position in front of the first seat frame 11.
- the first slide member 23b may include a protrusion that elastically protrudes inward, and the first seat frame 11 may include a plurality of grooves engaged with the protrusion.
- Both front ends of the auxiliary hind limbs 24 are joined by the second support pins 24a at approximately intermediate points of the forelimbs 21.
- the auxiliary hind limb 24 is rotatable about the second support pin 24a with respect to the forelimb 21.
- the auxiliary rear leg 24 is connected to the rear leg 22 by the second slide member 22a.
- the backrest 30 supports the user's back.
- the backrest 30 may have an inverted U shape. Both lower ends of the backrest 30 extend outwardly.
- the backrest 30 is rotatably coupled to the armrest 40 via the rotation axis 45b at approximately an intermediate point.
- the lower side of the backrest 30 is rotatably coupled to the first seat frame 11 and the seat frame driving device 50 by a first shaft 55 to be described later.
- the backrest 30 may be made of a hollow tubular member or a solid rod member.
- the tubular member or rod member may have various cross-sectional shapes.
- the backrest 30 may be made of metal or plastic material.
- the armrest 40 includes an armrest body 41, a moving member 42, and a first elastic member 43.
- the armrest main body 41 includes a recess 41a, a first rail groove 41b, and a second rail groove 41c.
- the recess 41a is recessed inwardly from one side of the armrest main body 41.
- the first rail groove 41b guides the moving member 42 accommodated in the first rail groove 41b.
- the upper ends of the front legs 21 and the rear legs 22 are hinged to the second rail groove 41c.
- the first and second rail grooves 41b and 41c are formed side by side.
- the first rail groove 41b may have a C-shaped cross section
- the second rail groove 41c may have an inverted U-shaped cross section.
- the moving member 42 is accommodated in the first rail groove 41b and moves along the first rail groove 41b.
- the movable member 42 includes a first screw 42a and a rod 42b.
- a part of the first screw 42a is exposed to the outside of the rear end of the moving member 42, and the other part is accommodated inside the moving member.
- the first screw 42a is configured to rotate in place.
- the rod 42b is housed inside the moving member 42.
- One side of the rod 42b is accommodated and screwed to the first screw 42a and the other end is connected to the first elastic member 43. As the first screw 42a rotates in one direction, the rod 42b moves inside the moving member 42.
- the first elastic member 43 is connected between the armrest body 41 and the moving member 42 to provide an elastic force.
- the first elastic member 43 may include a tension spring.
- One end of the first elastic member 43 is connected to the first rail groove 41b (armrest main body 41), and the other end is connected to the other end of the rod 42b.
- the rod 42b is screwed inside the moving member 42 by the rotation of the first screw 42a, the distance between the front end of the first rail groove 41b and the front end of the rod 42b is adjusted, 1 the length of the elastic member 43 is adjusted. Accordingly, the elastic force provided by the first elastic member 43 between the armrest body 41 and the moving member 42 can be adjusted. As a result, the elastic force acting on the backrest 30 is adjusted when the chair 100 is switched from the first state to the second state.
- the moving member 42 has a first guide slot 44 formed on the front lower side.
- the upper end of the auxiliary front leg 23 is connected to the moving member 42 through the first guide slot 44.
- the upper end of the auxiliary front leg 23 moves relative to the armrest body 41 together with the moving member 42.
- the upper end of the auxiliary front leg 23 is movable along the first guide slot 44 in the front-rear direction and rotatable with respect to the movable member 42.
- the length of the first guide slot 44 is formed long, the moving distance of the auxiliary front leg 23 is long. Therefore, the user may adjust the inclination angle of only the auxiliary front leg 23 in the first state.
- the armrest 40 may further include a first stopper 45.
- the first stopper 45 fixes the movable member 42 at an arbitrary position with respect to the armrest main body 41. If the relative movement between the moving member 42 and the armrest body 41 is limited, the rotation of the backrest 30 is limited.
- the first stopper 45 includes a lever 45a, a rotation shaft 45b, and a cam element 45c.
- the lever 45a is engaged with one end of the rotation shaft 45b.
- the rotation shaft 45b is rotatably supported by the first bracket 45d disposed at the front lower side of the moving member 42.
- the cam element 45c is coupled to the rotation shaft 45b.
- the cam element 45c selectively contacts the lower side of the first rail groove 41b by the rotation of the lever 45a.
- a plurality of protrusions or grooves may be formed below the first rail groove 41b along the longitudinal direction of the armrest body 41.
- the other end of the rotation shaft 45b is rotatably coupled to the lower side of the backrest 30.
- the first stopper may be installed between the backrest 30 and the seat frame 10.
- the seat frame driving device 50 rotates the seat frame 10 about the plurality of legs 20. As shown in FIG. 6, the front of the seat frame driving device 50 is rotatably coupled to the upper side of the rear leg 22.
- the seat frame driving device 50 is connected to the armrest 40 by the second elastic member 50a. Specifically, the upper end of the second elastic member (50a) is connected to the lower side of the armrest body 41, the lower end is connected to the seat frame driving device (50).
- the second elastic member 50a In the first state, the second elastic member 50a is tensioned and has elastic restoring force.
- the seat frame driving device 50 helps the first seat frame 11 to rotate about the hind legs 22.
- the seat frame driving device 50 helps the second seat frame 15 to rotate further relative to the first seat frame 11.
- the seat frame driving device 50 includes a body 51, a second screw 52, a first nut 53, and a second stopper 54.
- the upper side of the body 51 is formed with a slot 51a for connecting the first nut 53 and the second elastic member 50a.
- the second screw 52 is inserted forward from the rear end of the body 51.
- the second screw 52 is configured to rotate in place without screwing relative to the body 51.
- the first nut 53 is connected to the lower end of the second elastic member 50a and screwed to the second screw 52.
- the second stopper 54 is provided at the front end of the body 51.
- the second stopper 54 is connected to the second bracket 22b formed on the upper side of the rear leg 22.
- the second bracket 22b has an arc-shaped third guide slot 22c.
- the second stopper 54 is movable along the third guide slot 22c and fixes the seat frame drive device 50 at an arbitrary position.
- the second stopper may include a ratchet device installed at the position of the third support pin 22d.
- the first shaft 55 is coupled to one side of the body 51, and the other end is coupled to one end of the link member 56.
- the first shaft 55 is connected to the first seat frame 11.
- the first shaft 55 is rotatable relative to the first seat frame 11.
- the first shaft 55 rotatably supports the backrest 30.
- the second shaft 56a is coupled to the other end of the link member 56.
- the second seat frame 15 has a third bracket 15b for connection with the seat frame driving device 50.
- the third bracket 15b is located above the second seat frame 15.
- the third bracket 15b has an arc-shaped second guide slot 15c.
- the second shaft 56a is rotatable with respect to the third bracket 15b and movable along the second guide slot 15c.
- the first shaft 55 and the link member 56 drive the seat frame. Rotate with the device 50. As a result, the second shaft 56a moves along the second guide slot 15c to rotate the second seat frame 15 further clockwise than the first seat frame 11.
- the first shaft may be directly connected only to the first seat frame.
- the user typically uses the chair 100 in the first state shown in FIG. 8.
- the user may rotate and use only the auxiliary front leg 23 counterclockwise with respect to the first seat frame 11.
- the upper end of the auxiliary forelimb 23 moves backward along the first guide slot 44 (see FIGS. 2 and 3), and the first seat frame ( The first slide member 23b connected between the 11) and the auxiliary front leg 23 moves forward along the first seat frame 11.
- the upper end of the auxiliary front leg 23 moves forward along the first guide slot 44, and the first slide member 23b is moved to the first seat frame ( Move backwards along 11).
- the chair 100 transitions from the first state to the second state shown in FIG. 9.
- the backrest 30 rotates counterclockwise by the movement of the user's upper body center of gravity.
- the moving member 42 moves backward with respect to the armrest 40 together with the first guide slot 44 by the rotation of the backrest 30.
- the upper end of the auxiliary forelimb 23 moves rearward with the moving member 42.
- the auxiliary forelimb 23 rotates counterclockwise with respect to the first seat frame 11.
- the first elastic member 43 (see FIG. 4) is tensioned by the movement of the movable member 42. That is, the elastic restoring force is stored in the first elastic member 43.
- the chair 100 switches back from the second state to the first state.
- the backrest 30 rotates clockwise by the elastic restoring force stored in the first elastic member 43 (see FIG. 4).
- the movable member 42 is moved forward with respect to the armrest 40 together with the first guide slot 44 by the rotation of the backrest 30, so that the upper end of the auxiliary front leg 23 is the user's leg weight or auxiliary front leg. It moves forward with the moving member 42 by the self weight of 23.
- the auxiliary forelimb 23 rotates clockwise with respect to the first seat frame 11.
- the first and second seat frames 11, 15, the front legs 21, the rear legs 22, and the auxiliary rear legs 24 are Keep the same posture.
- the chair 100 is switched from the first state to the third state shown in FIG. 10.
- the center of gravity of the user's upper body moves to the front of the seat frame 10.
- the first and second seat frames 11 and 15 rotate clockwise.
- the backrest 30 and the armrest 40 rotate clockwise by the movement of the first and second seat frames 11 and 15 and the elastic restoring force of the seat frame driving device 50.
- the lower side of the rear leg 22 moves forward along the auxiliary rear leg 24 by the rotation of the armrest 40.
- the chair 100 transitions from the first state to the third state, the second seat frame 15 is rotated further clockwise than the first seat frame 11.
- the seat frame driving device 50 rotates clockwise about the third support pin 22d by the rotation of the armrest 40.
- the first shaft 55, the link member 56, and the second shaft 56a are rotated by the seat frame driving device 50. Accordingly, the second shaft 56a is caught by the second guide slot 15c provided in the second seat frame 15 to further rotate the second seat frame 15 relative to the first seat frame 11. Let's do it.
- the chair 100 When the user puts weight on the second seat frame 15 while sitting on the chair with the auxiliary front leg 23 with his feet, the chair 100 is switched from the third state to the first state.
- the second seat frame 15 rotates counterclockwise.
- the seat frame driving device 50 rotates counterclockwise together with the first shaft 55, the link member 56, and the second shaft 56a by the rotation of the second seat frame 15.
- the second seat frame 15 is superimposed with the first seat frame 11.
- the backrest 30 and the armrest 40 rotate counterclockwise.
- the lower side of the rear leg 22 is moved rearward along the auxiliary rear leg 24 by the rotation of the armrest 40.
- the user may use the chair 100 in various postures.
- the user can easily change the posture of the chair 100 to the first to third state by moving the weight.
- the auxiliary front leg 200 includes a horizontal bar 201 and a vertical bar 202 extending perpendicular to the horizontal bar 201 on both sides of the horizontal bar 201. .
- the upper end of the vertical bar 202 is the front of the armrest 40 (ie, the first guide slot 44) in the same way as the auxiliary front leg 21 according to the embodiment shown in FIGS. 1 to 10. Rotatably coupled thereto.
- the vertical bar 202 is connected to the first seat frame 11 by the third slide member 200a.
- the third slide member 200a may have a hollow cylindrical shape.
- the third slide member 200a is rotatably coupled to the front end of the first seat frame 11.
- the third slide member 200a is coupled to the upper side of the vertical bar 202 so as to be slidable in the vertical direction along the vertical bar 202.
- the third slide member 200a may be configured to be fixed at an arbitrary position on the upper side of the vertical bar 202.
- the third slide member 200a may have a protrusion that elastically protrudes inward, and a plurality of grooves may be provided on the upper side of the vertical bar 202 to engage the protrusion.
- the auxiliary front leg 200 includes an auxiliary sheet 210, a lifting device 220, and an auxiliary handle 230.
- the auxiliary sheet 210 is rotatably coupled to the vertical bar 202.
- the auxiliary sheet 210 serves as a sheet.
- the auxiliary sheet 210 is in the first state or the second state in the same manner as the cushion member 23a of the embodiment shown in FIGS. Support your leg or calf.
- the elevating device 220 serves to elevate the auxiliary sheet 210 in the vertical direction.
- the lifting device 220 includes a screw shaft 221, a second nut 222, a worm wheel 223, a drive shaft 224, a worm gear 224a, a handle 225, a ratchet mechanism 226, And a lever 227.
- the screw shaft 221 is disposed in parallel to the vertical bar 202 inside the vertical bar 202.
- the upper end of the screw shaft 221 is rotatably connected to the third slide member 200a, and the lower end is rotatably connected to both sides of the vertical bar 202.
- the screw shaft may be composed of a plurality of rows of screws to facilitate the lowering of the auxiliary sheet.
- the second nut 222 is screwed to the screw shaft 221 and is screwed along the screw shaft 221 by the rotation of the screw shaft 221.
- the two second nuts 222 are connected by the connecting shaft 222a.
- the auxiliary sheet 210 is coupled to the upper end of the connecting shaft 222a.
- the worm wheel 223 is coupled to the lower side of the screw shaft 221.
- the drive shaft 224 is disposed perpendicular to the screw shaft 221 and parallel to the horizontal bar 201 at the lower side of the front leg 200.
- the worm gear 224a is formed on the drive shaft 224 to engage the worm wheel 223.
- the handle 225 is coupled to both ends of the drive shaft 224.
- the handle 225 rotates reciprocally in the front-rear direction about the drive shaft 224.
- the ratchet mechanism 226 is disposed between both ends of the drive shaft 224 and the lower end of the handle 225.
- Ratchet mechanism 226 includes a ratchet wheel and claws and is configured such that the ratchet wheel rotates in one direction and prevents the reverse rotation of the ratchet wheel by the claws. That is, the ratchet mechanism 226 rotates the drive shaft 224 in one direction by reciprocating rotation of the handle 225.
- the lever 227 locks or unlocks the ratchet mechanism 226.
- the lever 227 locks the ratchet mechanism 226, the user may rotate the drive shaft 224 in one direction by reciprocating the handle 225.
- the screw shaft 221 rotates in one direction by engaging the worm gear 224a and the worm wheel 223.
- the second nut 222 moves upward with the auxiliary sheet 210.
- the elevating device may be composed of a drive motor for driving the screw shaft 221 and an operation unit for controlling the drive motor.
- auxiliary handle 230 is rotatably coupled to the lower side of the vertical bar 202, the other end is detachably coupled to the lower side of the handle (225).
- the auxiliary handle 230 fixes the handle 225.
- the auxiliary sheet 210 is located at the lower side, the user may hold the auxiliary handle 230 and sit on the auxiliary sheet 210.
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
- Special Chairs (AREA)
Abstract
Description
Claims (12)
- 시트프레임과,상기 시트프레임의 전방 및 후방에서 상기 시트프레임에 회전가능하게 결합되는 복수개의 다리와,상기 시트프레임의 후방에서 상기 시트프레임에 회전가능하게 결합되는 등받이와,상기 다리의 상단에 회전가능하게 결합되는 팔걸이를 포함하고,상기 팔걸이는, 상기 팔걸이의 내부에 유지되어 상기 팔걸이를 따라 이동하고 상기 등받이에 회전가능하게 결합되는 이동부재와, 상기 팔걸이의 내부에서 상기 이동부재의 이동에 대항하여 탄성복원력을 제공하는 제1 탄성부재를 포함하는, 의자.
- 제1항에 있어서, 상기 이동부재는 상기 이동부재에 형성된 제1 가이드슬롯을 구비하고,상기 복수개의 다리는,상기 팔걸이 및 상기 시트프레임에 회전가능하게 결합되는 앞다리와,상기 팔걸이에 회전가능하게 결합되는 뒷다리와,상단이 상기 제1 가이드슬롯에 회전가능하게 결합되고 상기 시트프레임에 회전가능하게 결합되는 보조앞다리와,전단이 상기 앞다리에 회전가능하게 결합되고 상기 뒷다리에 대해 회전가능하게 결합되는 보조뒷다리를 포함하는, 의자
- 제2항에 있어서, 상기 복수개의 다리는,상기 보조앞다리에 대해 회전가능하게 결합되고 상기 시트프레임을 따라 전후 방향으로 이동가능하게 결합되는 제1 슬라이드부재와,상기 보조뒷다리에 대해 회전가능하게 결합되고 상기 보조뒷다리를 따라 전후 방향으로 이동가능하게 결합되는 제2 슬라이드부재를 더 포함하는, 의자.
- 제1항에 있어서, 제2 탄성부재를 구비하고 상기 제2 탄성부재에 의해 상기 팔걸이에 탄력적으로 연결되어 상기 시트프레임을 상기 복수개의 다리에 대해 회전시키는 시트프레임 구동장치를 더 포함하는 의자.
- 제4항에 있어서, 상기 시트프레임은 상측에 형성된 원호 형상의 제2 가이드슬롯을 더 포함하고,상기 시트프레임 구동장치는,일단이 상기 시트프레임 구동장치의 일측에 결합되는 제1 샤프트와,일단이 상기 제1 샤프트의 타단에 결합되는 링크부재와,일단이 상기 링크부재의 타단에 결합되고 타단이 상기 제2 가이드슬롯을 따라 이동하는 제2 샤프트를 포함하는, 의자.
- 제4항에 있어서, 상기 시트프레임 구동장치는,제2 나사와,상기 제2 나사에 나사결합되는 제1 너트를 포함하고,상기 제2 탄성부재의 타단이 상기 제1 너트에 연결되는, 의자.
- 제3항에 있어서, 상기 시트프레임은,지지핀과,상기 지지핀에 의해 상기 앞다리에 회전가능하게 결합되는 제1 시트프레임과,상기 지지핀에 의해 상기 앞다리에 회전가능하게 결합되고 상기 지지핀을 중심으로 상기 제1 시트프레임에 대해 상대적으로 회전하는 제2 시트프레임을 포함하는, 의자.
- 제1항에 있어서, 상기 이동부재는,제1 나사와,상기 제1 나사에 나사결합되고 상기 제1 탄성부재에 연결되어 상기 제1 나사의 회전에 의해 나사이동하는 로드를 포함하는, 의자.
- 제2항에 있어서, 상기 보조앞다리는,상기 보조앞다리에 대해 회전가능하게 배치되는 보조시트와,상기 보조시트를 승강시키기 위한 승강장치를 포함하는, 의자.
- 제9항에 있어서, 상기 승강장치는,나사축과,상기 보조시트의 양측에 배치되고 상기 나사축에 나사결합되어 상기 나사축을 따라 나사이동되는 제2 너트와,상기 보조앞다리의 하측에서 상기 나사축에 수직으로 배치되는 구동축과,상기 나사축과 상기 구동축 사이에 배치되어 맞물리는 웜휠과 웜기어를 포함하는, 의자.
- 제10항에 있어서, 상기 승강장치는 랫칫기구에 의해 상기 구동축의 일단에 결합되는 손잡이를 포함하는, 의자.
- 제11항에 있어서, 상기 보조앞다리는 일단이 상기 보조앞다리의 하측에 회전가능하게 결합되고 타단이 상기 손잡이의 하측에 탈착가능하게 결합되는 보조손잡이를 더 구비하는, 의자.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11838263.9A EP2636341B1 (en) | 2010-11-05 | 2011-11-04 | Multifunctional chair |
JP2013510037A JP5570658B2 (ja) | 2010-11-05 | 2011-11-04 | 多機能椅子 |
CN201180040341.6A CN103068280B (zh) | 2010-11-05 | 2011-11-04 | 多功能椅子 |
US13/882,756 US8864220B2 (en) | 2010-11-05 | 2011-11-04 | Multifunctional chair |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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KR10-2010-0109534 | 2010-11-05 | ||
KR20100109534 | 2010-11-05 | ||
KR1020110113961A KR101324418B1 (ko) | 2010-11-05 | 2011-11-03 | 다기능 의자 |
KR10-2011-0113961 | 2011-11-03 |
Publications (2)
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WO2012060658A2 true WO2012060658A2 (ko) | 2012-05-10 |
WO2012060658A3 WO2012060658A3 (ko) | 2012-09-07 |
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PCT/KR2011/008371 WO2012060658A2 (ko) | 2010-11-05 | 2011-11-04 | 다기능 의자 |
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US (1) | US8864220B2 (ko) |
EP (1) | EP2636341B1 (ko) |
JP (1) | JP5570658B2 (ko) |
KR (1) | KR101324418B1 (ko) |
CN (1) | CN103068280B (ko) |
WO (1) | WO2012060658A2 (ko) |
Families Citing this family (10)
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DE102010051692A1 (de) * | 2009-11-23 | 2012-10-31 | Tile Geismar | Sitzmöbel mit rasch verformbarem Gestell |
KR101486800B1 (ko) * | 2013-08-05 | 2015-01-28 | 주식회사 부광정밀 | 낚시용 의자 |
US9204729B2 (en) * | 2013-08-06 | 2015-12-08 | Zenithen USA, LLC | Matched footrest rack for folding seat |
DE202014103985U1 (de) * | 2014-08-26 | 2014-09-24 | himolla Polstermöbel GmbH | Sitzmöbel |
CA2979047A1 (en) * | 2015-03-10 | 2016-09-15 | Pride Mobility Products Corp. | Lift chair control device |
US11317722B2 (en) | 2019-03-29 | 2022-05-03 | Gci Outdoor Llc | Collapsible and portable chair with independently movable leg rest |
CN212307285U (zh) * | 2019-12-17 | 2021-01-08 | 吴海泉 | 调节座椅靠背倾斜的扶手调节装置 |
US11185165B2 (en) * | 2020-01-21 | 2021-11-30 | Libin Chen | Armchair |
US20230087726A1 (en) * | 2021-09-09 | 2023-03-23 | Current Products Corp. | Folding chair |
KR102420179B1 (ko) * | 2022-02-15 | 2022-07-13 | 대구보건대학교산학협력단 | 탈부착형 슬라이딩 보드가 구비된 휠체어 |
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KR200355128Y1 (ko) | 2004-04-02 | 2004-07-03 | 김상현 | 다기능 의자 |
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CA492371A (en) * | 1945-05-22 | 1953-04-28 | Lorenz Anton | Foldable reclining chair |
US2675059A (en) * | 1951-02-19 | 1954-04-13 | Walter C Martin | Rockable and springable chair of the reclining deck or lawn type |
FR1417356A (fr) | 1964-10-03 | 1965-11-12 | Chaise de repos transformable en lit | |
FR1471803A (fr) | 1966-03-18 | 1967-03-03 | Fauteuil de relaxation et lit combinés | |
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- 2011-11-03 KR KR1020110113961A patent/KR101324418B1/ko active IP Right Grant
- 2011-11-04 EP EP11838263.9A patent/EP2636341B1/en not_active Not-in-force
- 2011-11-04 US US13/882,756 patent/US8864220B2/en not_active Expired - Fee Related
- 2011-11-04 CN CN201180040341.6A patent/CN103068280B/zh not_active Expired - Fee Related
- 2011-11-04 WO PCT/KR2011/008371 patent/WO2012060658A2/ko active Application Filing
- 2011-11-04 JP JP2013510037A patent/JP5570658B2/ja not_active Expired - Fee Related
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KR200355128Y1 (ko) | 2004-04-02 | 2004-07-03 | 김상현 | 다기능 의자 |
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Also Published As
Publication number | Publication date |
---|---|
JP5570658B2 (ja) | 2014-08-13 |
US20130328360A1 (en) | 2013-12-12 |
KR101324418B1 (ko) | 2013-11-01 |
US8864220B2 (en) | 2014-10-21 |
WO2012060658A3 (ko) | 2012-09-07 |
CN103068280B (zh) | 2015-07-22 |
KR20120048507A (ko) | 2012-05-15 |
EP2636341A2 (en) | 2013-09-11 |
CN103068280A (zh) | 2013-04-24 |
JP2013526331A (ja) | 2013-06-24 |
EP2636341B1 (en) | 2015-03-04 |
EP2636341A4 (en) | 2014-03-19 |
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