CN105962667A - Mechanical stretching device and chair unit - Google Patents
Mechanical stretching device and chair unit Download PDFInfo
- Publication number
- CN105962667A CN105962667A CN201610517572.6A CN201610517572A CN105962667A CN 105962667 A CN105962667 A CN 105962667A CN 201610517572 A CN201610517572 A CN 201610517572A CN 105962667 A CN105962667 A CN 105962667A
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- China
- Prior art keywords
- connecting rod
- support rod
- rod
- extending device
- seating pad
- 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.)
- Pending
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- 125000006850 spacer group Chemical group 0.000 claims description 26
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a mechanical stretching device and a chair unit. The mechanical stretching device comprises a fixed bottom rod, a front support rod, a rear support rod, a cushion plate, a backrest plate, footstool accommodating couch and a footstool component, wherein the front support rod and the rear support rod are capable of rotating in a vertical plane; the cushion plate and the backrest plate are arranged at the tops of the front support rod and the rear support rod and are connected with each other; the footstool component is used for stretching and retracting the footrest accommodating couch; the bottom end of the front support rod is articulated with the front end of the bottom rod; the bottom end of the rear support rod is articulated with the rear part of the bottom rod; the top end of the front support rod is articulated with the footstool component; the upper part of the rear support rod is connected with the rear part of the cushion plate by virtue of a first connecting rod and a second connecting rod which are crossed. The invention also provides a chair unit comprising the mechanical stretching device. The mechanical stretching device is simple in overall structure; the first connecting rod and the second connecting rod which are crossed are arranged between the cushion plate and the rear support rod, so that overall operation is stable, an effect of rotating a cushion and a backrest for a certain angle in a hypsokinesis process of the backrest plate can be achieved, the lifting height of the cushion plate can be reduced, and the sitting comfort level is improved.
Description
Technical field
The present invention generally relates to the motion decoration furniture at the position of substantially sitting supporting user health, fortune
Dynamic decoration furniture includes chaise longue, arm-chair, sofa, lovers' seat, composite furniture, cinema seat, conventional chair and has and can move
The chair in dynamic seat portion, these furniture are generally termed as " seat unit " at this；More specifically, the invention particularly relates to a kind of machinery
Extending apparatus, it addition, the invention still further relates to use the seat unit of this kind of mechanical extending device.
Background technology
Exist on current market and allow user to stretch forward footstool or stool couch and backrest of swinging back backward relative to seat portion
Layback seat unit.The commonly provided three kinds of home positions of these existing seat units: the curling position of the non-layback of standard；Stretch
Exhibition position is put；And backward position.In curling position, seat portion is in the orientation of level generally and backrest is arranged to substantially upright.
It addition, if seat unit includes the stool couch being attached with machinery, then machinery folds and stool couch is not stretched.Generally
Being referred to as the extended position of TV (" TV ") position, stool couch stretches to the front in seat portion, and meanwhile backrest, medicated cushion turns round 4 degree
Left and right angle, to watch TV with ensureing the occupant comfort of seat unit；At backward position, backrest is fixed backward from extended position
Position becomes to become with seat portion obtuse angle relation for having a rest or sleep.
The seat unit such as chaise longue or sofa of the various modern in industry is applicable to provide above-mentioned adjustment function at present；For
Expanding the range of seat unit, improve the comfort of seat unit, at present, many seat units combine motor and carry
Adjust for power, drive drive backrest, medicated cushion and leg-placing plate to launch or receive by motor by backrest, medicated cushion and leg-placing plate
Hold together, with satisfied use requirement.
But as a rule the complexity of structures of these seat units is different, but as the most comfortable in required in motor process
Seat sense, then corresponding require that relative complex link gear is to give this function；This allows for the structure of seat unit more
More greatly and the heaviest, positional precision is low, and production cost is high, and is not easy to carrying for complicated, volume.
Summary of the invention
In order to solve shortcoming and defect present in above-mentioned prior art, the invention provides a kind of positional precision high, raw
Produce low cost, lightweight, meet on the premise of simplifying mechanism's labyrinth comfortable sit sense mechanical extending device and seat
Unit.
To achieve these goals, the mechanical extending device for seat unit that the present invention provides, including the end fixed
Bar, the front support rod rotated in perpendicular and back support rod, it is located at back and front supporting masthead portion and connected seating pad and leans on
Backboard, at least one puts footstool couch, and stretch and retraction described at least one put the footstool assembly of footstool couch；Front support rod
Bottom is articulated with the front end of bottom bar, and the bottom of back support rod is articulated with the rear portion of bottom bar, the top of front support rod and footstool assembly
Hinged, the top of described back support rod is connected to the rear portion of seating pad by the first connecting rod intersected, second connecting rod.
These the two connecting rod interconnections of first connecting rod, second connecting rod are in the rear end of seating pad so that backboard is falling backward
During, the state that seating pad keeps original is constant, such that it is able to reduce the raising height of seating pad so that sit sense the most easypro
Suitable.
Preferably, the two ends of first connecting rod are hinged with back support rod, seating pad respectively, and the two ends of second connecting rod are respectively with rear
Support bar, seating pad are hinged.
Preferably, long slot bore offered by any one connecting rod in two first, second connecting rods intersected, and another connecting rod
On be then correspondingly provided with straight pin, described straight pin is plugged in long slot bore.Long slot bore and straight pin are arranged on first, second even
At the crossover location of bar, certain above-mentioned spacing can also be arranged on other position.
Preferably, second connecting rod is a L-shaped connecting rod, and the right angle turn of second connecting rod is hinged with seating pad.
Preferably, second connecting rod being provided with the connecting portion that backboard extends, described mechanical extending device also includes
For connecting the control connecting rod of second connecting rod and backboard, the one end controlling connecting rod is articulated with the end of connecting portion, other end hinge
It is connected to the bottom of backboard.
Preferably, described footstool assembly includes that front stool couch connecting rod, described front stool couch connecting rod are rotatably coupled to seating pad
Front portion, the top of front support rod and front stool couch rod hinge connection.Such design so that footstool assembly, when stretching, can carry
Dynamic front support rod rotates, and then makes seating pad angle produce change the most therewith, improves and sits sense comfort level.
Preferably, described seating pad is fixed with the first spacer pin for spacing footstool component movement stroke.
Preferably, described seating pad is fixed with the second spacer pin for spacing front support rod rotation path.
For preventing footstool assembly from dropping phenomenon when being regained by backboard layback state, it is preferred that described front support
Masthead end is provided with the arc groove for dodging the second spacer pin and circumscribed with the second spacer pin coordinates and curved limited wall.
The present invention is divided into three states, and in the first state i.e. original state, footstool assembly is in rounding state, the second spacer pin and front
Strut top does not plays a role；At the second state i.e. footstool extended configuration, now, seating pad angle produces and necessarily changes, and second
Spacer pin disengages with front support rod top, and both do not play a role；In the third state i.e. backboard layback state, the second limit
Position pin is tangent with the limited wall on front support rod top, and is carried out spacing by limited wall, and so making can be orderly when regaining
Carry out, that is the quadric chain being made up of back and front supporting bar and bottom bar, seating pad is entered by the second spacer pin and limited wall
Row is spacing, and keep footstool assembly extended configuration constant when regaining on the premise of, reset first regained by quadric chain, it is to avoid footstool
Assembly falls down.
Use the design philosophy of the present invention of technique scheme and provide the benefit that:
The mechanical extending device that the present invention provides, overall structure is simple, linkage good, and component is few, and installation effectiveness is high, effectively
Reduce production cost.Two first connecting rods intersected, second connecting rods, overall operation are set between seating pad and back support rod
Steadily, rotation medicated cushion can be played during backboard is swung back and backrest turns a low-angle effect, can reduce again simultaneously
The raising height of seating pad, improves seat sense comfort level, and stability in use is good, contribute to extending the use longevity that frame is overall
Life；Meanwhile, the present invention is by front support rod and the front stool couch rod hinge connection in footstool assembly, and front stool couch connecting rod is rotatably coupled
To the front portion of seating pad, so make footstool assembly when stretching, front support rod can be driven to rotate, and then make seating pad angle
Produce change the most therewith, improve and sit sense comfort level.
The first spacer pin arranged on seating pad and the second spacer pin, for limit mechanical extending apparatus kinestate, have
It is beneficial to realize the switching of mechanical extending device entirety extended configuration.
Footstool assembly in the present invention, overall structure is simple, it is simple to dismounting.By the first pole and the associating of the second pole
Effect is lifted and is put footstool couch, makes to put the stable movement of footstool couch, it is simple to improve comfort.
Present invention also offers a kind of seat unit using above-mentioned mechanical extending device, this seat unit includes that two are put down
The mechanical extending device that row and mirror image are arranged.
The seat unit that the present invention provides, the simple in construction of the mechanical extending device of employing, it is simple to improve seat unit
Production efficiency, reduction production cost, and seat unit comfort is high.
Accompanying drawing explanation
Fig. 1 is the axonometric chart that in the embodiment of the present invention, mechanical extending device is in rounding state；
Fig. 2 is the axonometric chart that in the embodiment of the present invention, mechanical extending device is in another angle of rounding state；
Fig. 3 is the axonometric chart that in the embodiment of the present invention, mechanical extending device is in the first deployed condition；
Fig. 4 is the axonometric chart that in the embodiment of the present invention, mechanical extending device is in first another angle of deployed condition；
Fig. 5 is the axonometric chart that in the embodiment of the present invention, mechanical extending device is in second another angle of deployed condition；
Fig. 6 is the plane graph that in the embodiment of the present invention, mechanical extending device is in the second deployed condition.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figures 1 to 6, the mechanical extending device that the present invention provides, including the bottom bar 1 fixed, rotate in perpendicular
Front support rod 2 and back support rod 3, be located at back and front supporting bar 2,3 top and the seating pad 4 of linkage and backboard 5 and footstool group
Part.
The bottom of front support rod 2 is articulated with the front end of bottom bar 1, and the top of front support rod 2 is articulated with the front portion of seating pad 4.
The bottom of back support rod 3 is articulated with the rear portion of bottom bar 1, and the top of back support rod 3 is connected by the first connecting rod 66, second intersected
Bar 77 is connected to the rear end of seating pad 4.The front end of bottom bar 1 refers to bottom bar one end away from backboard 5, and the rear portion of bottom bar 1 refers to bottom bar
Side towards backboard 5.
The two ends of first connecting rod 66 are hinged with back support rod 3, seating pad 4 respectively, and the two ends of second connecting rod 77 are respectively with rear
Support bar 3, seating pad 4 are hinged.
As in figure 2 it is shown, offer long slot bore 662 on second connecting rod 77, first connecting rod 66 is then correspondingly provided with straight pin
661, described straight pin 661 is plugged in long slot bore 662；Long slot bore 662 and straight pin 661 be arranged on first connecting rod 66, the
The position that intersects of two connecting rods 77.
In the present embodiment, second connecting rod 77 is a L-shaped connecting rod, and the right angle turn of second connecting rod 77 is hinged with seating pad 4.
Second connecting rod 77 is provided with the connecting portion 773 that backboard 5 extends.One end of second connecting rod 77 is articulated with rear support 3 most significant end.
The mechanical extending device of the present embodiment also includes the control connecting rod 7 for connecting second connecting rod 77 and backboard 5, control
One end of connecting rod 7 processed is articulated with the end of connecting portion 773, the other end is articulated with the bottom of backboard 5, the end of connecting portion 773
Refer to the connecting portion end away from connecting rod 77.
Footstool assembly includes drive link the 84, first pole the 81, second pole 82, front stool couch connecting rod 83 and puts footstool couch
85, the top of drive link 84 is articulated with the front end of seating pad 4, and the bottom of drive link is articulated with one end of the second pole 82,
The other end of the second pole 82 is articulated with puts footstool couch 85；The top of front stool couch connecting rod 83 is articulated with the front portion of seating pad 4, and first
One end of pole 81 is articulated with the bottom of front stool couch connecting rod 83, and the other end of the first pole 81 is articulated with puts footstool couch 85, drives
The bottom of connecting rod 84 is hinged with the substantially middle part of the first pole 81；The top of front support rod 2 is hinged with front stool couch connecting rod 83.
The first spacer pin 91 for spacing footstool component movement stroke, current stool couch connecting rod 83 it is fixed with on seating pad 4
When moving to circumscribed with the first spacer pin 91, footstool component movement is to maximum extension state.
The second spacer pin 92 for spacing front support rod 2 rotation path it is further fixed on seating pad 4, front support rod 2
Top is provided with the arc groove 21 for dodging the second spacer pin 92 and circumscribed with the second spacer pin coordinates and curved spacing
Wall 22.The top of front stool couch connecting rod 83 is provided with the locking groove 55 coordinated with the second spacer pin 92, and current stool couch connecting rod 83 moves to
When locking groove 55 contacts with the second spacer pin 92, leg-placing plate assembly returns back to rounding state.
Drive link 84 is the power rail that frame is overall, coordinates motor to use when the present invention applies, i.e. telescope motor passes through
Drive link 84 motion is driven to realize the overall gathering of frame and expansion action.
When mechanical extending device is overall when shown in Fig. 1, rounding state moves to the first deployed condition shown in Fig. 3, Fig. 4, stretch
Contracting driven by motor footstool assembly rotates counterclockwise and makes footstool assembly launch, i.e. drive link the 84, first pole the 81, second pole
82, front stool couch connecting rod 83 and put footstool couch and be rotated up the most counterclockwise.Current stool couch connecting rod 83 moves to and the first spacer pin 91
During contact, footstool component movement is to extended configuration, and now, the arc that the second spacer pin 92 completely disengages from front support rod 21 top is recessed
Groove 21.
Seating pad 4 rotates clockwise certain angle in this motor process, by first, second connecting rod 66,77 and cylinder
Pin 661 effect drives back support rod 3 to rotate counterclockwise certain angle.Meanwhile, by second connecting rod 77 and the effect of control connecting rod 7
Backboard 5 is driven to rotate counterclockwise certain angle, so that backboard 5 tilts backwards.
Telescope motor continuation effect makes mechanical extending device move to Fig. 5, Fig. 6 from the first deployed condition shown in Fig. 3, Fig. 4
During shown second deployed condition, telescope motor continues to act on drive link 84, owing to front stool couch connecting rod 83 is spacing by first
The restriction of pin 91, footstool assembly can not rotate.The active force of telescope motor extends to seating pad 4, and telescope motor drives seating pad 4
Move forward, when seating pad moves forward, drive back support rod 3 to be clockwise to deviate vertical direction certain angle.Meanwhile,
Back support rod 3 drives backboard 5 to rotate down counterclockwise by connecting rod 77 and control connecting rod 7.When straight pin 661 touches elongated slot
During the other end in hole 662, seating pad 4 and backboard 5 are expanded to maximum limit position.In this stretching process, front support rod 2 edge
Along indicators turn to deviation vertical direction certain angle, when seating pad 4 and backboard 5 are expanded to maximum limit position, front
The limited wall 22 of strut is close to the second spacer pin 92.
When mechanical extending device is from state reset shown in Fig. 5 to state shown in Fig. 1, telescope motor acts on drive link
84, owing to the limited wall 22 of front support rod 2 is against on the second spacer pin 92, footstool assembly can not rotate.The effect of telescope motor
Power extends to seating pad 4 to be made to move after seating pad, and meanwhile, front support rod 2 and back support rod 3 rotate counterclockwise until front support rod 2
The limited wall 22 on top completely disengages from the second spacer pin 92, meanwhile, drives backboard by the effect of connecting rod 77 and control connecting rod 7
5 rotate clockwise reset.Telescope motor continues to retract, and drives footstool assembly multiple along rotating clockwise gathering by drive link 84
Position.Current stool couch connecting rod 83 turns to locking groove 55 when contacting with the second spacer pin 92, and footstool assembly is reset to rounding state.?
During telescope motor continues to retract, seating pad 4 and backboard rotate clockwise certain angle.
The embodiment of the present invention additionally provides a kind of seat unit, including two parallel and above-mentioned mechanical stretchings of mirror image setting
Device.
In addition to above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can be according to this
Invention is variously modified and deforms, and without departing from the spirit of the present invention, all should belong in claims of the present invention and be determined
The scope of justice.
Claims (10)
1. a mechanical extending device, including the bottom bar fixed, the front support rod rotated in perpendicular and back support rod, if
In back and front supporting masthead portion and connected seating pad and backboard, at least one puts footstool couch, and stretch and described in retraction extremely
A few footstool assembly putting footstool couch；The bottom of front support rod is articulated with the front end of bottom bar, and the bottom of back support rod is articulated with
The rear portion of bottom bar, it is characterised in that the top of front support rod and footstool member hinges, the top of described back support rod is by intersecting
The first connecting rod of fork, second connecting rod are connected to the rear portion of seating pad.
Mechanical extending device the most according to claim 1, it is characterised in that the two ends of first connecting rod respectively with rear support
Bar, seating pad are hinged, and the two ends of second connecting rod are hinged with back support rod, seating pad respectively.
Mechanical extending device the most according to claim 1, it is characterised in that in two first, second connecting rods intersected
Offering long slot bore on any one connecting rod, another connecting rod is then correspondingly provided with straight pin, described straight pin is plugged on elongated slot
In hole.
Mechanical extending device the most according to claim 1, it is characterised in that second connecting rod is a L-shaped connecting rod, second connecting rod
Right angle turn hinged with seating pad.
Mechanical extending device the most according to claim 4, it is characterised in that be provided with backboard on second connecting rod and extend
Connecting portion, described mechanical extending device also includes the control connecting rod for connecting second connecting rod and backboard, controls connecting rod
One end be articulated with the end of connecting portion, the other end is articulated with the bottom of backboard.
Mechanical extending device the most according to claim 1, it is characterised in that described footstool assembly includes front stool couch connecting rod,
Described front stool couch connecting rod is rotatably coupled to the front portion of seating pad, the top of front support rod and front stool couch rod hinge connection.
Mechanical extending device the most according to claim 6, it is characterised in that be fixed with for position-limit foot on described seating pad
First spacer pin of stool component movement stroke.
Mechanical extending device the most according to claim 6, it is characterised in that be fixed with before spacing on described seating pad
Second spacer pin of support bar rotation path.
Mechanical extending device the most according to claim 8, it is characterised in that described front support rod top is provided with for dodging
The arc groove of the second spacer pin and circumscribed with the second spacer pin coordinate and curved limited wall.
10. a seat unit, it is characterised in that include two parallel and the mechanical extending device of mirror image setting, described machineries
Extending apparatus is the mechanical extending device described in any one of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517572.6A CN105962667A (en) | 2016-06-25 | 2016-06-25 | Mechanical stretching device and chair unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517572.6A CN105962667A (en) | 2016-06-25 | 2016-06-25 | Mechanical stretching device and chair unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105962667A true CN105962667A (en) | 2016-09-28 |
Family
ID=56954740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517572.6A Pending CN105962667A (en) | 2016-06-25 | 2016-06-25 | Mechanical stretching device and chair unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105962667A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106263778A (en) * | 2016-10-19 | 2017-01-04 | 礼恩派(嘉兴)有限公司 | Mechanical extending device and include the seat unit of this mechanical extending device |
| CN107660910A (en) * | 2016-07-29 | 2018-02-06 | L & P 产权管理公司 | Include the chaise longue of the tilt linkage with prominent backrest pivotal point |
| CN110840127A (en) * | 2019-12-04 | 2020-02-28 | 李志斌 | Sitting and lying dual-purpose office chair with leg lifting plate |
| CN111839052A (en) * | 2020-06-11 | 2020-10-30 | 永艺家具股份有限公司 | Electromechanical stretching device |
| WO2021248703A1 (en) * | 2020-06-11 | 2021-12-16 | 永艺家具股份有限公司 | Mechanical extension units and electro-mechanical extension apparatus |
| US11284721B2 (en) | 2019-03-29 | 2022-03-29 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| US11517109B2 (en) | 2019-03-29 | 2022-12-06 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| US11730267B2 (en) | 2016-07-29 | 2023-08-22 | L&P Property Management Company | Rocker/glider recliner linkage with projected back pivot point |
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| US20110248546A1 (en) * | 2010-04-13 | 2011-10-13 | La-Z-Boy Incorporated | Power actuated glider furniture member |
| CN202146108U (en) * | 2011-07-06 | 2012-02-22 | 敏华家具制造(惠州)有限公司 | Mechanical stretching device for movable sofa |
| US20120112517A1 (en) * | 2010-11-08 | 2012-05-10 | Hoffman D Stephen | Rocking-Reclining Seating Unit |
| CN202892335U (en) * | 2012-11-12 | 2013-04-24 | 常州市锐新医疗器械有限公司 | Horizontal multi-link extension mechanism |
| CN104287492A (en) * | 2014-06-04 | 2015-01-21 | 常州市锐新医疗器械有限公司 | Double-motor-driven sling chair mechanism |
| CN104770999A (en) * | 2015-03-28 | 2015-07-15 | 浙江永艺家具股份有限公司 | Dual-drive mechanical stretching device |
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| US20110248546A1 (en) * | 2010-04-13 | 2011-10-13 | La-Z-Boy Incorporated | Power actuated glider furniture member |
| US20120112517A1 (en) * | 2010-11-08 | 2012-05-10 | Hoffman D Stephen | Rocking-Reclining Seating Unit |
| CN202146108U (en) * | 2011-07-06 | 2012-02-22 | 敏华家具制造(惠州)有限公司 | Mechanical stretching device for movable sofa |
| CN202892335U (en) * | 2012-11-12 | 2013-04-24 | 常州市锐新医疗器械有限公司 | Horizontal multi-link extension mechanism |
| CN104287492A (en) * | 2014-06-04 | 2015-01-21 | 常州市锐新医疗器械有限公司 | Double-motor-driven sling chair mechanism |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660910A (en) * | 2016-07-29 | 2018-02-06 | L & P 产权管理公司 | Include the chaise longue of the tilt linkage with prominent backrest pivotal point |
| US11730267B2 (en) | 2016-07-29 | 2023-08-22 | L&P Property Management Company | Rocker/glider recliner linkage with projected back pivot point |
| CN106263778A (en) * | 2016-10-19 | 2017-01-04 | 礼恩派(嘉兴)有限公司 | Mechanical extending device and include the seat unit of this mechanical extending device |
| US11284721B2 (en) | 2019-03-29 | 2022-03-29 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| US11517109B2 (en) | 2019-03-29 | 2022-12-06 | L&P Property Management Company | Disengagement and reengagement mechanism on motorized seating unit for selective manual control |
| CN110840127A (en) * | 2019-12-04 | 2020-02-28 | 李志斌 | Sitting and lying dual-purpose office chair with leg lifting plate |
| CN111839052A (en) * | 2020-06-11 | 2020-10-30 | 永艺家具股份有限公司 | Electromechanical stretching device |
| WO2021248703A1 (en) * | 2020-06-11 | 2021-12-16 | 永艺家具股份有限公司 | Mechanical extension units and electro-mechanical extension apparatus |
| CN111839052B (en) * | 2020-06-11 | 2023-07-25 | 永艺家具股份有限公司 | Electromechanical stretching device |
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Application publication date: 20160928 |