EP3225134B1 - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- EP3225134B1 EP3225134B1 EP14906864.5A EP14906864A EP3225134B1 EP 3225134 B1 EP3225134 B1 EP 3225134B1 EP 14906864 A EP14906864 A EP 14906864A EP 3225134 B1 EP3225134 B1 EP 3225134B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rod
- seat
- foot rest
- seat rod
- fittings
- 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.)
- Not-in-force
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
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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
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/028—Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair
- A47C1/029—Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair by changing the length or the inclination of the legs
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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
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/36—Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
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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
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
- A47C4/18—Folding chairs with inflexible seats having a frame made of metal
- A47C4/20—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe
- A47C4/22—Folding chairs with inflexible seats having a frame made of metal with legs pivotably connected to seat or underframe of adjustable type
Definitions
- the invention involves technology field of articles of daily use, especially a type of chair.
- a chair In existing technology, a chair is made up of seat rod, backrest rod connected with seat rod, handrail rod connected with backrest rod and front leg rod and rear rod respectively connected with front and back of seat rod.
- chair height cannot be adjusted. Users with different heights have to use chairs with the same height so that users too short or too high would feel less comfortable.
- Such chair is known from CN 201 920 176 U .
- the invention provides a type of chair to realize adjustable height of a chair and improve chair comfortableness.
- the chair comprises:
- said rear rod consists of two parallel-mounted first straight bars and a vertically-mounted first stretcher connected with said first straight bar.
- said front leg rod includes two parallel-mounted second straight bars and a vertically-mounted second stretcher connected with said second straight bar.
- said chair Preferably in said chair, it also includes foot rest which is in U shape faced to backrest rod and said U-shaped seat rod is open to the foot rest. Open ends of said U-shaped foot rest and said U-shaped seat rod are mounted in opposite. Said foot rest and said seat rod are pivotally connected.
- said foot rest and said seat rod are pivotally connected through gear adjusting components, which include:
- said backrest rod and said seat rod are jointed through a bolt.
- the chair provided by the invention includes seat rod, rear rod, front leg rod, foldable linkage slide bar, backrest rod and handrail rod.
- Foldable linkage slide bar is pivotally connected with rear rod at one end and pivotally connected with front leg rod at the other end.
- Foldable linkage slide bar is connected with seat rod through the first sliding sleeve and front leg rod through the second sliding sleeve.
- Top of front leg rod is connected with handrail rod through the third sliding sleeve.
- the height of seat rod can be adjusted by rotating front leg rod and rear rod as required by the user so as to realize height adjustment of the chair, which can meet use requirements of people with different heights and improve comfortableness of the user.
- the invention publicizes a type of chair to realize adjustable height of a chair and improve chair comfortableness of the user.
- Figure 1 is structural representation provided by the invention examples when foot rest of the chair is in the level state
- Figure 2 is structural representation provided by the invention examples when the chair is folded partly
- Figure 3 is structural representation provided by the invention examples when backrest rod of the chair is adjusted backward to a certain angle
- Figure 4 is structural representation provided by the invention examples when backrest rod of the chair is in the level state
- Figure 5 is structural representation provided by the invention examples when the chair is in the folded state
- Figure 6 is three-dimensional structural representation of the chair provided by the invention examples
- Figure 7 is structural representation of gear adjusting components provided by the invention examples.
- a type of chair comprising seat rod 1, a U-shaped seat rod; rear rod 2, which can be pivotally connected with seat rod 1 in the center; foldable linkage slide bar 3, which can be pivotally connected with top of rear rod 2 at one end and is in sliding joint with seat rod 1 through the first sliding sleeve 4; front leg rod 6 connected with the other end of foldable linkage slide bar 3 through the second sliding sleeve 5, which can be pivotally connected with seat rod 1.
- the second sliding sleeve 5 is located below seat rod 1; backrest rod 7 connected with seat rod 1; handrail rod 8, which is pivotally connected with backrest rod 7 at one end and connected with top of front leg rod 6 at the other end through the third sliding sleeve 9.
- Devices provided by the technical proposal include seal lever 1, rear rod 2, foldable linkage slide bar 3, front leg rod 6, backrest rod 7 and handrail rod 8, where rear rod 2 and seat rod 1 are pivotally connected, foldable linkage slide bar 3 and rear rod 2 are pivotally connected, foldable linkage slide bar 3 and seat rod 1 are in sliding joint, foldable linkage slide bar 3 and front leg rod 6 are in sliding joint, front leg rod 6 and seat rod 1 are pivotally connected, front leg rod 6 and handrail rod 8 are in sliding joint. Height of seat rod 1 can be adjusted by rotating angle of front leg rod 6 and rear rod 2.
- the process to adjust seat rod 1 higher is rotating rear rod 2 inwardly so that rear rod 2 drives seat rod 1 to move horizontally and vertically and foldable linkage slide bar 3 drives the first sliding sleeve 4 to slide towards rear rod 2 along seat rod 1, realizing angle adjustment between rear rod 2 and ground, and then rotating front leg rod 6 inwardly so that seat rod 1 is in level height near front leg rod 6 and near rear rod 2, and foldable linkage slide bar 3 drives the second sliding sleeve 5 to slide downwards along front leg rod 6, which further drives the third sliding sleeve 9 to slide outwardly along handrail rod 8, realizing angle adjustment between front leg rod 6 and ground.
- the process of adjust seat rod 1 lower is rotating rear rod 2 outwardly so that rear rod 2 drives seat rod 1 to move horizontally and vertically and foldable linkage slide bar 3 drives the first sliding sleeve 4 to slide towards front leg rod 6 along seat rod 1, realizing angle adjustment between rear rod 2 and ground, and then rotating front leg rod 6 outwardly so that seat rod 1 is in level height near front leg rod 6 and near rear rod 2, and foldable linkage slide bar 3 drives the second sliding sleeve 5 to slide upwards along front leg rod 6, which further drives the third sliding sleeve 9 to slide inwardly along handrail rod 8, realizing angle adjustment between front leg rod 6 and ground.
- Devices provided by the proposal can make up two triangles with adjustable angles by rear rod 2; seat rod 1, foldable linkage slide bar 3 and front leg rod 6 so that the process to adjust angles of front leg rod 6 and rear rod 2 is stable.
- Rear rod 2 has several forms.
- rear rod 2 includes two parallel-mounted first straight bars 21 and a vertically-mounted first stretcher 22 connected with first straight bar 21, that is rear rod 2 is in I-shape on the whole; or rear rod 2 is in U shape, and the U-shaped rear rod 2 is open towards seat rod 1; or rear rod 2 includes two parallel-mounted first straight bars 21 and a vertically-mounted first stretcher 22 connected with first straight bar 21, and there are at least two first stretchers 22; or rear rod 2 includes two parallel-mounted first straight bars 21 and a stretcher plate mounted between first straight bars 21.
- Front leg rod 6 has several forms.
- front leg rod 6 includes two parallel-mounted second straight bars 61 and a vertically-mounted second stretcher 62 connected with second straight bar 61, that is front leg rod 6 is in I-shape on the whole; or front leg rod 6 is in U shape, and the U-shaped front leg rod 6 is open towards seat rod 1; or front leg rod 6 includes two parallel-mounted second straight bars 61 and a vertically-mounted second stretcher 62 connected with first straight bar 61, and there are at least 2 second stretchers 62.
- foot rest 11 For the convenience of user, it also includes foot rest 11 connected with seat rod 1.
- Foot rest 11 is in U shape mounted facing backrest rod 7.
- U-shaped seat rod is open towards foot rest 11. Open ends of U-shaped foot rest and U-shaped seat rod are mounted in opposite and foot rest 11 and seat rod 1 are pivotally connected. In the process of using, rotate foot rest 11 for support and folding. When foot rest 11 supports, users can put foot on foot rest 11 for rest. If not required, foot rest 11 can be folded, which is convenient for office work.
- Foot rest 11 can be rotated for support and folding in the following forms: Foot rest 11 and seat rod 1 are pivotally connected through gear adjusting components 10, which includes seat rod fittings 101 permanently connected with seat rod 1 and seat rod fittings 101 are equipped with angle gears 102 on the end face, which are equipped with notches on the side wall. Seat rod fittings 101 are equipped with bulges on the inner wall to match notches and with fix shaft in the center to match axle hole of angle gears. The fix shaft is sheathed with spring 103 which is mounted between seat rod fittings 101 and angle gears 102.
- gear adjusting components 10 which includes seat rod fittings 101 permanently connected with seat rod 1 and seat rod fittings 101 are equipped with angle gears 102 on the end face, which are equipped with notches on the side wall.
- Seat rod fittings 101 are equipped with bulges on the inner wall to match notches and with fix shaft in the center to match axle hole of angle gears.
- the fix shaft is sheathed with spring 103 which is mounted between seat rod fittings 101 and angle gears
- foot rest fittings 104 permanently connected with foot rest 11 that are equipped with helical gears on the inner wall to mesh with angle gears 102; button 105 that is equipped with bulges to directly press angle gears 102.
- Foot rest fittings 104 are equipped with holes to match the bulge which have claspers at the end.
- loosen button 105 and angle gears 102 meshes with helical gears on foot rest fittings 104 under reset stretch of spring 103 to avoid rotating of foot rest 11 during use.
- the adjustment method is easy to operate.
- foot rest 11 and seat rod 1 can be directly jointed through a bolt and angle adjustment of foot rest 11 can be realized by adjusting tightness of the bolt.
- backrest rod 7 and seat rod 1 are jointed through a bolt.
- the chair provided by the proposal can be used both as a chair and a bed, increasing functions of the chair.
- Devices provided by the proposal can realize chair folding. Other than folding and expanding process of front leg rod 6 and rear rod 2 as well as folding and expanding process of foot rest 11 mentioned above, backrest rod 7 can also be folded. Devices provided by the proposal can be folded as is shown in Figure 5 , which can minimize occupation area after the chair is folded.
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Special Chairs (AREA)
Description
- The invention involves technology field of articles of daily use, especially a type of chair.
- In existing technology, a chair is made up of seat rod, backrest rod connected with seat rod, handrail rod connected with backrest rod and front leg rod and rear rod respectively connected with front and back of seat rod. In existing technology, chair height cannot be adjusted. Users with different heights have to use chairs with the same height so that users too short or too high would feel less comfortable. Such chair is known from
CN 201 920 176 U . - Therefore, it has become a technical problem to be solved urgently by technicians in the field as for how to realize adjustable height of a chair so as to improve user comfortableness in using the chair.
- Given the above situation, the invention provides a type of chair to realize adjustable height of a chair and improve chair comfortableness.
- According to the invention the chair comprises:
- a seat rod, which is a U-shaped seat rod;
- a rear rod, which is pivotally connected with said seat rod in the middle part of the rear rod;
- a foldable linkage slide bar, which is pivotally connected with top of said rear rod at one end and in sliding joint with said seat rod through a first sliding sleeve;
- a front leg rod, which is connected with the other end of foldable linkage slide bar through second sliding sleeve, which is to be pivotally connected with said seat rod. Said second sliding sleeve is located below said seat rod;
- a backrest rod connected with said seat rod;
- a handrail rod, which is pivotally connected with said backrest rod at one end and connected with top of said front leg rod at the other end through the third sliding sleeve.
- Preferably in said chair, said rear rod consists of two parallel-mounted first straight bars and a vertically-mounted first stretcher connected with said first straight bar.
- Preferably in said chair, said front leg rod includes two parallel-mounted second straight bars and a vertically-mounted second stretcher connected with said second straight bar.
- Preferably in said chair, it also includes foot rest which is in U shape faced to backrest rod and said U-shaped seat rod is open to the foot rest. Open ends of said U-shaped foot rest and said U-shaped seat rod are mounted in opposite. Said foot rest and said seat rod are pivotally connected.
- Preferably in said chair, said foot rest and said seat rod are pivotally connected through gear adjusting components, which include:
- seat rod fittings permanently connected with said seat rod. Said seat rod fittings are equipped with angle gears, which are equipped with notches on the side wall. Said seat rod fittings are equipped with bulges on the inner wall to match notches and with fix shaft in the center to match axle hole of said angle gears. The fix shaft is sheathed with spring which is mounted between said seat rod fittings and said angle gears;
- foot rest fittings permanently connected with said foot rest that are equipped with helical gears on the inner wall to mesh with said angle gears. Said foot rest fittings are connected with said seat rod fittings in thread;
- buttons that are equipped with bulges to press said angle gears. Said foot rest fittings are equipped with holes to match said bulges which have claspers at the end.
- Preferably in said chair, said backrest rod and said seat rod are jointed through a bolt.
- It can be seen from the above technical proposal that the chair provided by the invention includes seat rod, rear rod, front leg rod, foldable linkage slide bar, backrest rod and handrail rod. Foldable linkage slide bar is pivotally connected with rear rod at one end and pivotally connected with front leg rod at the other end. Foldable linkage slide bar is connected with seat rod through the first sliding sleeve and front leg rod through the second sliding sleeve. Top of front leg rod is connected with handrail rod through the third sliding sleeve. In the process of using, the height of seat rod can be adjusted by rotating front leg rod and rear rod as required by the user so as to realize height adjustment of the chair, which can meet use requirements of people with different heights and improve comfortableness of the user.
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Figure 1 is structural representation provided by the invention examples when foot rest of the chair is in the level state; -
Figure 2 is structural representation provided by the invention examples when the chair is folded partly; -
Figure 3 is structural representation provided by the invention examples when backrest rod of the chair is adjusted backward to a certain angle; -
Figure 4 is structural representation provided by the invention examples when backrest rod of the chair is in the level state; -
Figure 5 is structural representation provided by the invention examples when the chair is in the folded state; -
Figure 6 is three-dimensional structural representation of the chair provided by the invention examples; -
Figure 7 is structural representation of gear adjusting components provided by the invention examples.
1. Seat rod, 2. Rear rod, 21. First straight bar, 22. First stretcher, 3. Foldable linkage slide bar, 4. First sliding sleeve, 5. Second sliding sleeve, 6. Front leg rod, 61. Second straight bar, 62. Second stretcher, 7. Backrest rod, 8. Handrail rod, 9. Third sliding sleeve, 10. Gear adjusting components, 101. Seat rod sittings, 102. Angle gears, 103. Spring, 104. Foot rest fittings, 105. Button, 11. Foot rest. - The invention publicizes a type of chair to realize adjustable height of a chair and improve chair comfortableness of the user.
- Below technical proposal in the invention examples shall be described clearly and completely in combination with attached figures in the invention examples. Obviously said examples are only a part of implementation examples of the invention rather that all the examples. All the other implementation examples acquired by common technical personnel in the field based on examples without any creative labor in the invention is within the scope of invention protection.
- Please refer to
Figure 1 - Figure 7 .Figure 1 is structural representation provided by the invention examples when foot rest of the chair is in the level state;Figure 2 is structural representation provided by the invention examples when the chair is folded partly;Figure 3 is structural representation provided by the invention examples when backrest rod of the chair is adjusted backward to a certain angle;Figure 4 is structural representation provided by the invention examples when backrest rod of the chair is in the level state;Figure 5 is structural representation provided by the invention examples when the chair is in the folded state;Figure 6 is three-dimensional structural representation of the chair provided by the invention examples;Figure 7 is structural representation of gear adjusting components provided by the invention examples. - A type of chair, comprising
seat rod 1, a U-shaped seat rod;rear rod 2, which can be pivotally connected withseat rod 1 in the center; foldablelinkage slide bar 3, which can be pivotally connected with top ofrear rod 2 at one end and is in sliding joint withseat rod 1 through the first slidingsleeve 4;front leg rod 6 connected with the other end of foldablelinkage slide bar 3 through the second slidingsleeve 5, which can be pivotally connected withseat rod 1. The second slidingsleeve 5 is located belowseat rod 1;backrest rod 7 connected withseat rod 1;handrail rod 8, which is pivotally connected withbackrest rod 7 at one end and connected with top offront leg rod 6 at the other end through the third slidingsleeve 9. - Devices provided by the technical proposal include
seal lever 1,rear rod 2, foldablelinkage slide bar 3,front leg rod 6,backrest rod 7 andhandrail rod 8, whererear rod 2 andseat rod 1 are pivotally connected, foldablelinkage slide bar 3 andrear rod 2 are pivotally connected, foldablelinkage slide bar 3 andseat rod 1 are in sliding joint, foldablelinkage slide bar 3 andfront leg rod 6 are in sliding joint,front leg rod 6 andseat rod 1 are pivotally connected,front leg rod 6 andhandrail rod 8 are in sliding joint. Height ofseat rod 1 can be adjusted by rotating angle offront leg rod 6 andrear rod 2. The process to adjustseat rod 1 higher is rotatingrear rod 2 inwardly so thatrear rod 2 drivesseat rod 1 to move horizontally and vertically and foldablelinkage slide bar 3 drives the first slidingsleeve 4 to slide towardsrear rod 2 alongseat rod 1, realizing angle adjustment betweenrear rod 2 and ground, and then rotatingfront leg rod 6 inwardly so thatseat rod 1 is in level height nearfront leg rod 6 and nearrear rod 2, and foldablelinkage slide bar 3 drives the second slidingsleeve 5 to slide downwards alongfront leg rod 6, which further drives the third slidingsleeve 9 to slide outwardly alonghandrail rod 8, realizing angle adjustment betweenfront leg rod 6 and ground. The process of adjustseat rod 1 lower is rotatingrear rod 2 outwardly so thatrear rod 2 drivesseat rod 1 to move horizontally and vertically and foldablelinkage slide bar 3 drives the first slidingsleeve 4 to slide towardsfront leg rod 6 alongseat rod 1, realizing angle adjustment betweenrear rod 2 and ground, and then rotatingfront leg rod 6 outwardly so thatseat rod 1 is in level height nearfront leg rod 6 and nearrear rod 2, and foldablelinkage slide bar 3 drives the second slidingsleeve 5 to slide upwards alongfront leg rod 6, which further drives the third slidingsleeve 9 to slide inwardly alonghandrail rod 8, realizing angle adjustment betweenfront leg rod 6 and ground. To realize folding process of the chair provided by the proposal, continue drawingfront leg rod 6 andrear rod 2 inwardly to makefront leg rod 6 andrear rod 2 fit closely withseat rod 1, realizing chair folding; to use the chair, openfront leg rod 6 andrear rod 2 outwardly to designated position. - Devices provided by the proposal can make up two triangles with adjustable angles by
rear rod 2;seat rod 1, foldablelinkage slide bar 3 andfront leg rod 6 so that the process to adjust angles offront leg rod 6 andrear rod 2 is stable. -
Rear rod 2 has several forms. In a specific way,rear rod 2 includes two parallel-mounted firststraight bars 21 and a vertically-mountedfirst stretcher 22 connected with firststraight bar 21, that isrear rod 2 is in I-shape on the whole; orrear rod 2 is in U shape, and the U-shapedrear rod 2 is open towardsseat rod 1; orrear rod 2 includes two parallel-mounted firststraight bars 21 and a vertically-mountedfirst stretcher 22 connected with firststraight bar 21, and there are at least twofirst stretchers 22; orrear rod 2 includes two parallel-mounted firststraight bars 21 and a stretcher plate mounted between first straight bars 21. -
Front leg rod 6 has several forms. In a specific way,front leg rod 6 includes two parallel-mounted secondstraight bars 61 and a vertically-mountedsecond stretcher 62 connected with secondstraight bar 61, that isfront leg rod 6 is in I-shape on the whole; orfront leg rod 6 is in U shape, and the U-shapedfront leg rod 6 is open towardsseat rod 1; orfront leg rod 6 includes two parallel-mounted secondstraight bars 61 and a vertically-mountedsecond stretcher 62 connected with firststraight bar 61, and there are at least 2second stretchers 62. - For the convenience of user, it also includes
foot rest 11 connected withseat rod 1.Foot rest 11 is in U shape mounted facingbackrest rod 7. U-shaped seat rod is open towardsfoot rest 11. Open ends of U-shaped foot rest and U-shaped seat rod are mounted in opposite andfoot rest 11 andseat rod 1 are pivotally connected. In the process of using, rotatefoot rest 11 for support and folding. Whenfoot rest 11 supports, users can put foot onfoot rest 11 for rest. If not required,foot rest 11 can be folded, which is convenient for office work. -
Foot rest 11 can be rotated for support and folding in the following forms:
Foot rest 11 andseat rod 1 are pivotally connected throughgear adjusting components 10, which includesseat rod fittings 101 permanently connected withseat rod 1 andseat rod fittings 101 are equipped with angle gears 102 on the end face, which are equipped with notches on the side wall.Seat rod fittings 101 are equipped with bulges on the inner wall to match notches and with fix shaft in the center to match axle hole of angle gears. The fix shaft is sheathed withspring 103 which is mounted betweenseat rod fittings 101 and angle gears 102. It also includesfoot rest fittings 104 permanently connected withfoot rest 11 that are equipped with helical gears on the inner wall to mesh with angle gears 102;button 105 that is equipped with bulges to directly press angle gears 102.Foot rest fittings 104 are equipped with holes to match the bulge which have claspers at the end. To usefoot rest 11, directly pullfoot rest 11 to realize angle adjustment; to foldfoot rest 11 or adjust the angle,press button 105 to make bulges onbutton 105 drive angle gears 102 to push spring so that helical gears onfoot rest fittings 104 and angle gears 102 get separated, realizing angle adjustment offoot rest 11. After adjustment, loosenbutton 105 and angle gears 102 meshes with helical gears onfoot rest fittings 104 under reset stretch ofspring 103 to avoid rotating offoot rest 11 during use. The adjustment method is easy to operate. - There are also many other pivoting forms for
foot rest 11. For instance,foot rest 11 andseat rod 1 can be directly jointed through a bolt and angle adjustment offoot rest 11 can be realized by adjusting tightness of the bolt. - In order to further improve user comfortableness,
backrest rod 7 andseat rod 1 are jointed through a bolt. In the process of using, keepbackrest rod 7 flat to allowbackrest rod 7 andseat rod 1 in the same plane and the chair can be used as a bed. The chair provided by the proposal can be used both as a chair and a bed, increasing functions of the chair. - Devices provided by the proposal can realize chair folding. Other than folding and expanding process of
front leg rod 6 andrear rod 2 as well as folding and expanding process offoot rest 11 mentioned above,backrest rod 7 can also be folded. Devices provided by the proposal can be folded as is shown inFigure 5 , which can minimize occupation area after the chair is folded.
Claims (6)
- A chair, comprising- seat rod (1), which is a U-shaped seat rod (1);- a rear rod (2), which is pivotally connected with said seat rod (1) in the middle part of the rear rod (2);- a foldable linkage slide bar (3), which is pivotally connected with the top of said rear rod (2) at one end and which is in sliding joint with said seat rod (1) through a first sliding sleeve (4);- a front leg rod (6), which is connected with the other end of foldable linkage slide bar (3) through a second sliding sleeve (5) to be pivotally connected with said seat rod (1), said second sliding sleeve (5) is located below said seat rod (1);- a backrest rod (7) connected with said seat rod (1);- a handrail rod (8), which is pivotally connected with said backrest rod (7) at one end and connected with top of said front leg rod (6) through the third sliding sleeve (9).
- The chair according to claim 1, characterized in that said rear rod (2) includes two parallel-mounted first straight bars (21) and a vertically-mounted first stretcher (22) connected with said first straight bar (21).
- The chair according to claim 1, characterized in that said front leg rod (6) includes two second straight bars (61) mounted parallel and second stretcher (62) mounted vertically and connected with said second straight bar (61).
- The chair according to claim 1, characterized in that it also includes a foot rest (11) connected with said seat rod (1), said foot rest (11) is U-shaped faced to said backrest rod (7) and said seat rod (1) is U-shaped and open to said foot rest (11), open ends of said U-shaped foot rest (11) and U-shaped seat rod (1) are mounted in opposite, said foot rest (11) and the seat rod (1) are pivotally connected.
- The chair according to claim 1, characterized in that said foot rest (11) and said seat rod (1) are pivotally connected through gear adjusting components (10), including seat lever fittings (101) permanently connected with said seat rod (1), said seat rod fittings (101) are equipped with angle gears (102), which are equipped with notches on the side wall, wherein said seat rod fittings (101) are equipped with bulges on the inner wall to match notches and with fix shaft in the center to match axle hole of said angle gears, wherein the fix shaft is sheathed with spring (103) which is mounted between said seat rod fittings (101) and said angle gears (102), wherein foot rest fittings (104) permanently connected with said foot rest (11) that are equipped with helical gears on the inner wall to mesh with said angle gears (102). Said foot rest fittings (104) are connected with said seat rod fittings (101) in thread, wherein button (105) that is equipped with bulges to press said angle gears (102), and wherein said foot rest fittings (104) are equipped with holes to match said bulges which have claspers at the end.
- The chair according to claim 1, characterized in that said backrest rod (7) and said seat rod (1) are jointed through a bolt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420710843.6U CN204410204U (en) | 2014-11-24 | 2014-11-24 | A kind of chair |
PCT/CN2014/094637 WO2016082268A1 (en) | 2014-11-24 | 2014-12-23 | Chair |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3225134A1 EP3225134A1 (en) | 2017-10-04 |
EP3225134A4 EP3225134A4 (en) | 2018-02-21 |
EP3225134B1 true EP3225134B1 (en) | 2019-03-13 |
Family
ID=53460634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14906864.5A Not-in-force EP3225134B1 (en) | 2014-11-24 | 2014-12-23 | Chair |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3225134B1 (en) |
CN (1) | CN204410204U (en) |
WO (1) | WO2016082268A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE212014000058U1 (en) | 2014-11-24 | 2015-11-25 | Westfield Outdoors Gmbh | chair |
CN108454685A (en) * | 2018-04-02 | 2018-08-28 | 好孩子儿童用品有限公司 | A kind of child umbrella handle vehicle |
CN109330258B (en) * | 2018-09-06 | 2021-12-03 | 华中科技大学 | Exoskeleton seat with adjustable height |
CN214631122U (en) * | 2021-02-07 | 2021-11-09 | 浙江森影休闲用品有限公司 | Linkage mechanism and support frame with same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2417780Y (en) * | 1999-11-05 | 2001-02-07 | 徐高发 | Multipurpose folding chair |
JP4853988B2 (en) * | 2001-09-28 | 2012-01-11 | 株式会社いうら | Foldable reclining wheelchair |
CN2634930Y (en) * | 2003-06-05 | 2004-08-25 | 厦门进雄企业有限公司 | Rest folding chair frame |
CN201139254Y (en) * | 2007-08-12 | 2008-10-29 | 林易峰 | Office chair for mid-day break |
CN201920176U (en) * | 2010-12-06 | 2011-08-10 | 浙江泰普森休闲用品有限公司 | Double folding chair |
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2014
- 2014-11-24 CN CN201420710843.6U patent/CN204410204U/en not_active Expired - Fee Related
- 2014-12-23 WO PCT/CN2014/094637 patent/WO2016082268A1/en active Application Filing
- 2014-12-23 EP EP14906864.5A patent/EP3225134B1/en not_active Not-in-force
Non-Patent Citations (1)
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Also Published As
Publication number | Publication date |
---|---|
WO2016082268A1 (en) | 2016-06-02 |
CN204410204U (en) | 2015-06-24 |
EP3225134A1 (en) | 2017-10-04 |
EP3225134A4 (en) | 2018-02-21 |
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