US20100102606A1 - Chair Structure - Google Patents
Chair Structure Download PDFInfo
- Publication number
- US20100102606A1 US20100102606A1 US12/258,113 US25811308A US2010102606A1 US 20100102606 A1 US20100102606 A1 US 20100102606A1 US 25811308 A US25811308 A US 25811308A US 2010102606 A1 US2010102606 A1 US 2010102606A1
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- United States
- Prior art keywords
- seat
- unit
- backrest
- chair structure
- linking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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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
- A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
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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
- A47C1/0325—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members
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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
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the 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
- A47C9/00—Stools for specified purposes
- A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects
Definitions
- the present invention relates to a chair structure, and more particularly to a chair structure which can be converted from a chair into a lounge having a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, so that a user can comfortably lie on the lounge on his back.
- a conventional chair includes a seat, a backrest movably connected to a rear edge of the seat, and four legs perpendicularly connected to a lower side of the seat.
- a user can sit on the seat with his or her back leaning on the backrest.
- the backrest can be adjusted in an inclination angle thereof to convert the chair into a lounge for the user to lean thereon.
- the backrest can usually be adjusted to be half inclined relative to the seat because the backrest is directly movably connected to the rear edge of the seat.
- the backrest and the seat are not formed with a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, and there would be a gap existed between the backrest and the seat. Therefore, even if the backrest of the conventional chair can be angularly adjusted to a fully horizontal position relative to the seat to convert the chair into a lounge, the fully stretched seat and backrest could not provide a curve meeting the requirements of body engineering to comfortably support the waist of a user lying on the lounge. The user may have a sore waist after lying on the lounge over a long time. Therefore, the conventional chair is not comfortable in practical use thereof.
- a primary object of the present invention is to provide a chair structure, which includes movably connected parts and can be converted into a lounge having a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, allowing a user to comfortably lie on the lounge.
- the chair structure includes a seat unit having a support leg assembly and a seat; a connecting unit having at least two linking members and movably connected at one linking member to the seat; a backrest unit movably connected to another linking member of the connecting unit and having a supporting member provided to a rear upper side thereof; and at least two armrests movably connected to two lateral sides of the seat unit and the backrest unit.
- Each of the armrests has a first and a second movable arm, which are pivotally connected at one end to each other, and at the other end to one lateral side of the seat and the backrest unit, respectively.
- a stop member is connected to the pivotal joint of the first and second movable arms of at least one of the two armrests.
- FIG. 1 is an exploded perspective view of a chair structure according to a first embodiment of the present invention
- FIG. 2 is an assembled view of FIG. 1 ;
- FIG. 3 is a side view showing the chair structure according to the first embodiment of the present invention being used as a chair;
- FIG. 4 is a side view showing the chair structure according to the first embodiment of the present invention being converted into a lounge for use;
- FIG. 5 is a perspective view of the lounge of FIG. 4 ;
- FIG. 6 is an exploded perspective view of a chair structure according to a second embodiment of the present invention.
- FIG. 7 is an assembled view of FIG. 6 ;
- FIG. 8 is a perspective view of a bed converted from the chair structure of FIG. 7 ;
- FIG. 9 is an exploded perspective view of a chair structure according to a third embodiment of the present invention.
- FIG. 10 is an assembled view of FIG. 9 ;
- FIG. 11 is an assembled perspective view of a chair structure according to a fourth embodiment of the present invention.
- FIGS. 1 and 2 are exploded and assembled perspective views, respectively, of a chair structure according to a first embodiment of the present invention.
- the chair structure in the first embodiment of the present invention includes a seat unit 1 , a connecting unit 2 , a backrest unit 3 , and at least two armrests 4 .
- the seat unit 1 includes a support leg assembly 11 and a seat 12 connected to a top of the support leg assembly 11 .
- the seat 12 of the seat unit 1 can be a one-piece padded seat.
- the connecting unit 2 is movably connected to the seat unit 1 , and includes at least a first linking member 21 and a second linking member 22 .
- the first linking member 21 and the second linking member 22 are movably connected at a first end to each other via two pivot shafts 221 .
- the first linking member 21 is movably connected at a second to a rear edge of the seat 12 via two pivot shafts 211 .
- the first and the second linking member 21 , 22 can be two transversely extended long plates defining a curved upper face 212 and a curved upper face 222 , respectively.
- the backrest unit 3 is movably connected at a lower edge to a second end of the second linking member 22 via two pivot shafts 31 , and is provided at a rear upper side with supporting members 33 .
- the backrest unit 3 can be a one-piece padded backrest.
- the armrests 4 are movably connected to two lateral sides of the seat unit 1 and the backrest unit 3 .
- Each of the armrests 4 includes a first movable arm 41 and a second movable arm 42 .
- the first and second movable arm 41 , 42 are pivotally connected at a first end to each other, with a second end of the first movable arm 41 movably connected to one lateral side of the seat 12 via a pivot shaft 411 and a second end of the second movable arm 42 movably connected to one lateral side of the backrest unit 3 via a pivot shaft 421 .
- At least one of the armrests 4 includes a stop member 43 , which is connected to the pivotal joint of the first and the second movable arms 41 , 42 .
- FIGS. 3 and 4 are two side views showing the chair structure according to the first embodiment of the present invention being set to a chair and a lounge, respectively, for use; and to FIG. 5 that is an assembled perspective view of the lounge of FIG. 4 .
- a user can directly sit on the seat 12 of the seat unit 1 with the user's back and two arms rested on the backrest unit 3 and the armrests 4 , respectively.
- the first and the second linking member 21 , 22 of the connecting unit 2 are in a folded state to define the receiving space 23 between them.
- the user can put a thin quilt or some clothes (not shown) in the receiving space 23 and then connect the stop cover plates 24 to two lateral sides of the first and second linking members 21 , 22 .
- the user can loosen the stop member 43 from the armrest 4 , allowing the first and the second movable arms 41 , 42 to move relative to one another; and then apply a pushing force against the backrest unit 3 for the same to move toward the ground in a direction away from the seat unit 1 , until the supporting members 33 on the backrest unit 3 touch the ground to support the backrest unit 3 above the ground.
- the backrest unit 3 is moved toward the ground, it brings the first and second linking members 21 , 22 of the connecting unit 2 and the first and second movable arms 41 , 42 of the armrests 4 to an extended state, and the chair is converted into a lounge.
- the curved upper faces 212 , 222 of the first and second linking members 21 , 22 cooperate with the seat unit 1 and the backrest unit 3 to provide a curved configuration in compliance with a human body's back curve, allowing the user to comfortably lie on the lounge with the user's waist and hip fitly resting on the curved upper faces 212 , 222 of the linking members 21 , 22 . Therefore, the lounge converted from the chair structure of the present invention satisfies the requirements of body engineering.
- the stop member 43 is used to restrict the seat unit 1 , the connecting unit 2 , the backrest unit 3 , and the armrests 4 from moving relative to one another.
- the stop member 43 can be replaced by the stop cover plates 24 . That is, the stop cover plates 24 not only close two lateral ends of the receiving space 23 , but also restrict the seat unit 1 , the connecting unit 2 , the backrest unit 3 , and the armrests 4 from moving relative to one another.
- the user When the user desires to convert the chair structure into a lounge, the user needs only to remove the stop cover plates 24 from the first and second linking members 21 , 22 , and the seat unit 1 , the connecting unit 2 , the backrest unit 3 , and the armrests 4 can be then moved to convert the chair structure into a lounge.
- FIGS. 6 and 7 are exploded and assembled perspective views, respectively, of a chair structure according to a second embodiment of the present invention
- FIG. 8 is a perspective view of a bed converted from the chair structure of the second embodiment.
- the second embodiment is generally structurally and functionally similar to the first embodiment, except that the second embodiment includes width-increased seat unit 1 a , connecting unit 2 a , and backrest unit 3 a .
- a support leg assembly 11 a is movably connected to two lateral sides of a seat 12 a of the seat unit 1 a via two pivot shafts 111 a .
- a supporting member 33 a is pivotally connected to a rear side of the backrest unit 3 a via a pivot section 32 a provided on the rear side of the backrest unit 3 a .
- the supporting member 33 a is a substantially U-shaped tubular member.
- the chair structure in the second embodiment can be usually used as a sofa as shown in FIG. 7 , and can also be extended and converted into a bed as shown in FIG. 8 .
- the backrest unit 3 a is supported by the supporting member 33 a to locate above the ground.
- the bed converted from the chair structure of the second embodiment provides a curved configuration in compliance with a human body's back curve to meet the requirements of body engineering, allowing a user to comfortably lie thereon.
- FIGS. 9 and 10 are exploded and assembled perspective views, respectively, of a chair structure according to a third embodiment of the present invention.
- the third embodiment is generally structurally and functionally similar to the first and the second embodiment, except that the third embodiment includes a seat unit 1 b having a seat frame 121 b and a support leg assembly 11 connected to a bottom of the seat frame 121 b ; a connecting unit 2 b including a first linking member 21 b and a second linking member 22 b , each of which includes two slightly curved linking bars; a backrest unit 3 b including a back frame 34 b ; and an envelope 5 covering the seat frame 121 b , the back frame 34 b , and the first and second linking members 21 b , 22 b .
- the chair structure according to the third embodiment of the present invention provides good ventilating effect and can be manufactured at reduced cost.
- the chair structure of the third embodiment can also be converted into a lounge as the first embodiment.
- FIG. 11 is a perspective view of a chair structure according to a fourth embodiment of the present invention.
- the fourth embodiment is generally structurally and functionally similar to the previous embodiments, except that it includes two seat units 1 , 1 b respectively having a seat 12 , 12 b , which are connected to a top of a widened support leg assembly 11 b and arranged side by side; and two backrest units 3 , 3 b movably connected to the two seat units 1 , 1 b via two connecting units 2 , 2 b .
- the two backrest units 3 , 3 b can be simultaneously pushed backward to convert the chair structure into two lounges, or can be differently operated to convert the chair structure into a chair and a lounge, or a double bed.
- the chair structure of the present invention effectively eliminates the drawbacks in the conventional chair structure, and has movably connected seat unit, connecting unit, armrests, and backrest unit to allow conversion of a chair into a lounge or a bed having a curved configuration meeting the requirements of body engineering and suitable for a user to comfortably lie thereon on the user's back. Therefore, the present invention is improved, novel, and more practical for use.
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- General Health & Medical Sciences (AREA)
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- Nursing (AREA)
- Special Chairs (AREA)
Abstract
A chair structure includes a seat unit having a support leg assembly and a seat; a connecting unit having two linking members and movably connected at one linking member to the seat; a backrest unit movably connected to another linking member of the connecting unit and having a supporting member; and at least two armrests movably connected to two lateral sides of the seat and the backrest units. Each of the armrests has a first and a second movable arm, which are pivotally connected at one end to each other, and at the other end to one lateral side of the seat and the backrest unit, respectively. A stop member is connected to at least one of the two armrests. The chair with movably connected seat unit, connecting unit, backrest unit, and armrests can be converted into a lounge providing a curved configuration in compliance with human body's back curve.
Description
- The present invention relates to a chair structure, and more particularly to a chair structure which can be converted from a chair into a lounge having a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, so that a user can comfortably lie on the lounge on his back.
- Generally, a conventional chair includes a seat, a backrest movably connected to a rear edge of the seat, and four legs perpendicularly connected to a lower side of the seat. A user can sit on the seat with his or her back leaning on the backrest. The backrest can be adjusted in an inclination angle thereof to convert the chair into a lounge for the user to lean thereon.
- While the conventional chair allows a user to sit thereon or convert it into a lounge for leaning, the backrest can usually be adjusted to be half inclined relative to the seat because the backrest is directly movably connected to the rear edge of the seat. Moreover, in the conventional chair, the backrest and the seat are not formed with a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, and there would be a gap existed between the backrest and the seat. Therefore, even if the backrest of the conventional chair can be angularly adjusted to a fully horizontal position relative to the seat to convert the chair into a lounge, the fully stretched seat and backrest could not provide a curve meeting the requirements of body engineering to comfortably support the waist of a user lying on the lounge. The user may have a sore waist after lying on the lounge over a long time. Therefore, the conventional chair is not comfortable in practical use thereof.
- A primary object of the present invention is to provide a chair structure, which includes movably connected parts and can be converted into a lounge having a curved configuration in compliance with human body's back curve to meet the requirements of body engineering, allowing a user to comfortably lie on the lounge.
- To achieve the above and other objects, the chair structure according to the present invention includes a seat unit having a support leg assembly and a seat; a connecting unit having at least two linking members and movably connected at one linking member to the seat; a backrest unit movably connected to another linking member of the connecting unit and having a supporting member provided to a rear upper side thereof; and at least two armrests movably connected to two lateral sides of the seat unit and the backrest unit. Each of the armrests has a first and a second movable arm, which are pivotally connected at one end to each other, and at the other end to one lateral side of the seat and the backrest unit, respectively. A stop member is connected to the pivotal joint of the first and second movable arms of at least one of the two armrests.
- The structure and the technical means adopted by the present invention to achieve the above and other objects can be best understood by referring to the following detailed description of the preferred embodiments and the accompanying drawings, wherein:
-
FIG. 1 is an exploded perspective view of a chair structure according to a first embodiment of the present invention; -
FIG. 2 is an assembled view ofFIG. 1 ; -
FIG. 3 is a side view showing the chair structure according to the first embodiment of the present invention being used as a chair; -
FIG. 4 is a side view showing the chair structure according to the first embodiment of the present invention being converted into a lounge for use; -
FIG. 5 is a perspective view of the lounge ofFIG. 4 ; -
FIG. 6 is an exploded perspective view of a chair structure according to a second embodiment of the present invention; -
FIG. 7 is an assembled view ofFIG. 6 ; -
FIG. 8 is a perspective view of a bed converted from the chair structure ofFIG. 7 ; -
FIG. 9 is an exploded perspective view of a chair structure according to a third embodiment of the present invention; -
FIG. 10 is an assembled view ofFIG. 9 ; and -
FIG. 11 is an assembled perspective view of a chair structure according to a fourth embodiment of the present invention. - Please refer to
FIGS. 1 and 2 that are exploded and assembled perspective views, respectively, of a chair structure according to a first embodiment of the present invention. As shown, the chair structure in the first embodiment of the present invention includes aseat unit 1, a connectingunit 2, abackrest unit 3, and at least twoarmrests 4. - The
seat unit 1 includes asupport leg assembly 11 and aseat 12 connected to a top of thesupport leg assembly 11. Theseat 12 of theseat unit 1 can be a one-piece padded seat. - The connecting
unit 2 is movably connected to theseat unit 1, and includes at least a first linkingmember 21 and a second linkingmember 22. The first linkingmember 21 and the second linkingmember 22 are movably connected at a first end to each other via twopivot shafts 221. The first linkingmember 21 is movably connected at a second to a rear edge of theseat 12 via twopivot shafts 211. The first and the second linkingmember upper face 212 and a curvedupper face 222, respectively. When the chair structure is set in a state for sitting, the connectingunit 2 is in a folded state and areceiving space 23 is defined between the first and the second linkingmember stop cover plates 24 can be removably connected to two lateral sides of the first and second linkingmembers unit 2 is in the folded state. - The
backrest unit 3 is movably connected at a lower edge to a second end of the second linkingmember 22 via twopivot shafts 31, and is provided at a rear upper side with supportingmembers 33. Thebackrest unit 3 can be a one-piece padded backrest. - The
armrests 4 are movably connected to two lateral sides of theseat unit 1 and thebackrest unit 3. Each of thearmrests 4 includes a firstmovable arm 41 and a secondmovable arm 42. The first and secondmovable arm movable arm 41 movably connected to one lateral side of theseat 12 via apivot shaft 411 and a second end of the secondmovable arm 42 movably connected to one lateral side of thebackrest unit 3 via apivot shaft 421. At least one of thearmrests 4 includes astop member 43, which is connected to the pivotal joint of the first and the secondmovable arms - Please now refer to
FIGS. 3 and 4 that are two side views showing the chair structure according to the first embodiment of the present invention being set to a chair and a lounge, respectively, for use; and toFIG. 5 that is an assembled perspective view of the lounge ofFIG. 4 . When the present invention is used as a chair, a user can directly sit on theseat 12 of theseat unit 1 with the user's back and two arms rested on thebackrest unit 3 and thearmrests 4, respectively. And, at this point, the first and the second linkingmember unit 2 are in a folded state to define thereceiving space 23 between them. The user can put a thin quilt or some clothes (not shown) in thereceiving space 23 and then connect thestop cover plates 24 to two lateral sides of the first and second linkingmembers - Please also refer to
FIG. 2 . When it is desired to convert the chair into a lounge for use, the user can loosen thestop member 43 from thearmrest 4, allowing the first and the secondmovable arms backrest unit 3 for the same to move toward the ground in a direction away from theseat unit 1, until the supportingmembers 33 on thebackrest unit 3 touch the ground to support thebackrest unit 3 above the ground. When thebackrest unit 3 is moved toward the ground, it brings the first and second linkingmembers unit 2 and the first and secondmovable arms armrests 4 to an extended state, and the chair is converted into a lounge. When the first and second linkingmembers unit 2, which is located between theseat unit 1 and thebackrest unit 3, are moved to a fully extended position, the curvedupper faces members seat unit 1 and thebackrest unit 3 to provide a curved configuration in compliance with a human body's back curve, allowing the user to comfortably lie on the lounge with the user's waist and hip fitly resting on the curvedupper faces members - In the illustrated first embodiment of the present invention, the
stop member 43 is used to restrict theseat unit 1, the connectingunit 2, thebackrest unit 3, and thearmrests 4 from moving relative to one another. However, thestop member 43 can be replaced by thestop cover plates 24. That is, thestop cover plates 24 not only close two lateral ends of thereceiving space 23, but also restrict theseat unit 1, the connectingunit 2, thebackrest unit 3, and thearmrests 4 from moving relative to one another. When the user desires to convert the chair structure into a lounge, the user needs only to remove thestop cover plates 24 from the first and second linkingmembers seat unit 1, the connectingunit 2, thebackrest unit 3, and thearmrests 4 can be then moved to convert the chair structure into a lounge. -
FIGS. 6 and 7 are exploded and assembled perspective views, respectively, of a chair structure according to a second embodiment of the present invention, andFIG. 8 is a perspective view of a bed converted from the chair structure of the second embodiment. The second embodiment is generally structurally and functionally similar to the first embodiment, except that the second embodiment includes width-increased seat unit 1 a, connectingunit 2 a, andbackrest unit 3 a. Asupport leg assembly 11 a is movably connected to two lateral sides of aseat 12 a of the seat unit 1 a via twopivot shafts 111 a. A supportingmember 33 a is pivotally connected to a rear side of thebackrest unit 3 a via apivot section 32 a provided on the rear side of thebackrest unit 3 a. In the illustrated second embodiment, the supportingmember 33 a is a substantially U-shaped tubular member. With the above arrangements, the chair structure in the second embodiment can be usually used as a sofa as shown inFIG. 7 , and can also be extended and converted into a bed as shown inFIG. 8 . When the chair structure of the second embodiment is converted into a bed, thebackrest unit 3 a is supported by the supportingmember 33 a to locate above the ground. As in the first embodiment, the bed converted from the chair structure of the second embodiment provides a curved configuration in compliance with a human body's back curve to meet the requirements of body engineering, allowing a user to comfortably lie thereon. -
FIGS. 9 and 10 are exploded and assembled perspective views, respectively, of a chair structure according to a third embodiment of the present invention. The third embodiment is generally structurally and functionally similar to the first and the second embodiment, except that the third embodiment includes aseat unit 1 b having aseat frame 121b and asupport leg assembly 11 connected to a bottom of theseat frame 121 b; a connectingunit 2 b including afirst linking member 21 b and asecond linking member 22 b, each of which includes two slightly curved linking bars; abackrest unit 3 b including aback frame 34 b; and anenvelope 5 covering theseat frame 121 b, theback frame 34 b, and the first and second linkingmembers members envelope 5 define a receiving space between them. With theseat frame 121 b and theback frame 34 b covered by theenvelope 5, the chair structure according to the third embodiment of the present invention provides good ventilating effect and can be manufactured at reduced cost. The chair structure of the third embodiment can also be converted into a lounge as the first embodiment. - Please now refer to
FIG. 11 , which is a perspective view of a chair structure according to a fourth embodiment of the present invention. The fourth embodiment is generally structurally and functionally similar to the previous embodiments, except that it includes twoseat units seat support leg assembly 11 b and arranged side by side; and twobackrest units seat units units backrest units - The chair structure of the present invention effectively eliminates the drawbacks in the conventional chair structure, and has movably connected seat unit, connecting unit, armrests, and backrest unit to allow conversion of a chair into a lounge or a bed having a curved configuration meeting the requirements of body engineering and suitable for a user to comfortably lie thereon on the user's back. Therefore, the present invention is improved, novel, and more practical for use.
- The present invention has been described with some preferred embodiments thereof and it is understood that many changes and modifications in the described embodiments can be carried out without departing from the scope and the spirit of the invention that is intended to be limited only by the appended claims.
Claims (9)
1. A chair structure, comprising:
a seat unit including a support leg assembly and a seat connected to the support leg assembly;
a connecting unit including at least a first linking member and a second linking member, the first and the second linking member being pivotally connected at a first end to each other, and the first linking member being movably connected at an opposite second end to a rear edge of the seat;
a backrest unit being movably connected at a lower edge to an opposite second end of the second linking member; and
at least two armrests movably connected to two lateral sides of the seat unit and of the backrest unit; each of the armrests having a first movable arm and a second movable arm, which are pivotally connected at respective first end to each other, and movably connected at respective second end to one lateral side of the seat and the backrest unit, respectively; and at least one of the two armrests having a stop member connected thereto.
2. The chair structure as claimed in claim 1 , wherein the support leg assembly of the seat unit is connected to a bottom of the seat, and the support leg assembly of the seat unit is movably connected to two lateral sides of the seat via pivot shafts.
3. The chair structure as claimed in claim 1 , wherein the seat of the seat unit and the backrest unit are one-piece padded seat and backrest, respectively.
4. The chair structure as claimed in claim 1 , wherein the first and second linking members are two transversely extended long plates defining a curved upper face each, and a receiving space is defined between the first and the second linking member when the connecting unit is in a folded state.
5. The chair structure as claimed in claim 1 , further comprising two stop cover plates being removably connected to two lateral sides of the first and second linking members when the connecting unit is in a folded state.
6. The chair structure as claimed in claim 1 , wherein the backrest unit is movably provided on a rear upper side with at least one supporting member.
7. The chair structure as claimed in claim 1 , further comprising an envelope, and wherein the seat of the seat unit is a seat frame, the backrest unit is a back frame, and the first and the second linking member of the connecting unit each include two substantially curved linking bars; the envelope being covered on the seat frame, the back frame, and the first and second linking members; and the connecting unit in a folded state together with the envelope defining a receiving space between the first and second linking member and the envelope.
8. The chair structure as claimed in claim 6 , wherein the backrest unit is provided at a rear side with at least one pivot section, to which the at least one supporting member is pivotally connected.
9. The chair structure as claimed in claim 1 , wherein the first and second movable arms as well as the first and second linking members are movably connected to the seat and the backrest unit, respectively, via pivot shafts; the first and the second linking members are pivotally connected at respective first ends to each other via pivot shafts; and the first and the second movable arms are pivotally connected at respective first ends to one another via pivot shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/258,113 US20100102606A1 (en) | 2008-10-24 | 2008-10-24 | Chair Structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US12/258,113 US20100102606A1 (en) | 2008-10-24 | 2008-10-24 | Chair Structure |
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US20100102606A1 true US20100102606A1 (en) | 2010-04-29 |
Family
ID=42116755
Family Applications (1)
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US12/258,113 Abandoned US20100102606A1 (en) | 2008-10-24 | 2008-10-24 | Chair Structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103431666A (en) * | 2013-08-08 | 2013-12-11 | 林长贞 | Chair structure |
US11166553B2 (en) * | 2019-06-05 | 2021-11-09 | Davis Furniture Industries, Inc. | Tilting chair |
US12010440B2 (en) | 2018-08-08 | 2024-06-11 | Google Llc | Optical image stabilization movement to create a super-resolution image of a scene |
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US4585272A (en) * | 1982-10-22 | 1986-04-29 | Castelli S.P.A. | Chair having a back comprising a plurality of articulated segments |
US4641884A (en) * | 1985-02-21 | 1987-02-10 | Honda Giken Kogyo Kabushiki Kaisha | Seat for vehicles |
US4856846A (en) * | 1986-02-13 | 1989-08-15 | Hartmut Lohmeyer | Chair with a seat and an inherently elastically pliable back rest |
US20060202535A1 (en) * | 2005-03-08 | 2006-09-14 | Heidmann Kurt R | Seating with shape-changing back support frame |
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2008
- 2008-10-24 US US12/258,113 patent/US20100102606A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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US2163078A (en) * | 1937-06-14 | 1939-06-20 | Louis J Zerbee | Chair |
US4585272A (en) * | 1982-10-22 | 1986-04-29 | Castelli S.P.A. | Chair having a back comprising a plurality of articulated segments |
US4641884A (en) * | 1985-02-21 | 1987-02-10 | Honda Giken Kogyo Kabushiki Kaisha | Seat for vehicles |
US4856846A (en) * | 1986-02-13 | 1989-08-15 | Hartmut Lohmeyer | Chair with a seat and an inherently elastically pliable back rest |
US20060202535A1 (en) * | 2005-03-08 | 2006-09-14 | Heidmann Kurt R | Seating with shape-changing back support frame |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103431666A (en) * | 2013-08-08 | 2013-12-11 | 林长贞 | Chair structure |
US12010440B2 (en) | 2018-08-08 | 2024-06-11 | Google Llc | Optical image stabilization movement to create a super-resolution image of a scene |
US11166553B2 (en) * | 2019-06-05 | 2021-11-09 | Davis Furniture Industries, Inc. | Tilting chair |
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