CN102631093A - Seat - Google Patents

Seat Download PDF

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Publication number
CN102631093A
CN102631093A CN2011100359025A CN201110035902A CN102631093A CN 102631093 A CN102631093 A CN 102631093A CN 2011100359025 A CN2011100359025 A CN 2011100359025A CN 201110035902 A CN201110035902 A CN 201110035902A CN 102631093 A CN102631093 A CN 102631093A
Authority
CN
China
Prior art keywords
elastomer
portable plate
seat
lowering
hoisting gear
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
Application number
CN2011100359025A
Other languages
Chinese (zh)
Inventor
许汉忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011100359025A priority Critical patent/CN102631093A/en
Publication of CN102631093A publication Critical patent/CN102631093A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/44Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/443Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/44Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/441Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/44Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/446Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with fluid springs

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  • Seats For Vehicles (AREA)

Abstract

A seat comprises a fixed plate which is fixed in a seat cushion and a back cushion of the seat; at least more than one first elastomers are disposed on the fixed plate; elastomer accommodating holes are disposed at the bottom of the first elastomers; second elastomers corresponding to the elastomer accommodating holes are disposed on a movable plate below the fixed plate; at least more than one set of lifting devices are disposed at the bottom of the movable plate, which allow the movable plate to move up and down by the driving of a power output shaft; when the lifting devices moves the movable plate upwards in the fixed plate direction, the second elastomers on the movable plate move upwards through the elastomer accommodating holes, and thus the elastic support force of the seat is increased; with the upward and downward movement of the second elastomer, the elastic support force of the seat can be adjusted.

Description

Seat
Technical field
The invention relates to a kind of seat, be meant a kind of elastic anchorage force of adjustable bed rearrangement chair especially, reach the armchair structure that the same comfortable degree but can be provided to the different users in view of the above.
Background technology
Press, the structure of traditional Chinese chair, it is to utilize timber to form the skeleton of seat, and is provided with spring and sponge in cushion and back cushion inside, coats cloth matter or cortex skin again in cushion, back cushion and handle outer end, and is provided with runners in the sofa bottom, and forms seat.
Traditional Chinese chair is all fixedly elasticity and body; Cushion and back cushion pliability are fixedly shape when dispatching from the factory; The user can't adjust according to actual state, and the user has been produced many problems in the use, in case cushion and back cushion do not meet ergonomics; Will produce discomfort, can have a pain in the back after the sitting.
This shows that above-mentioned existing seat still has many disappearances, real non-one kindhearted design, and demand urgently improveing.
Summary of the invention
The objective of the invention is by the upper and lower mobile position that can adjust portable plate; Cause the elastic anchorage force of seat to be adjusted; To be directed against different users; Provide different elasticity to support, and then reach a kind of seat that the support human body of same comfortable degree but can be provided to the different users is provided.
In order to reach this purpose; The present invention includes the fixed head that is fixed in Chain cushion and the back cushion; Fixed head is provided with at least more than one first elastomer; And then be provided with the elastomer containing hole in the first elastomer bottom, make following second elastomer can be from the first elastomer inside movable from lower to upper the setting; The fixed head below then is provided with a portable plate, and is provided with and corresponding second elastomer of elasticity containing hole in portable plate, and the portable plate bottom is provided with at least one group of above lowering or hoisting gear, makes portable plate be able to upper and lower moving through lowering or hoisting gear.
When lowering or hoisting gear moves portable plate on the fixed head direction; Second elastomer on the portable plate then passes on the elastomer containing hole and moves; This moment the user if seating when seat; Except that first elastomer receives user's weight and compressing and supporting, the strength that the also identical user of providing of second elastomer supports improves the elastic anchorage force of seat whereby; Otherwise, when reducing the elastic anchorage force of seat, then can portable plate be moved down through lowering or hoisting gear as if user's desire, reduce by the second elastomeric height, make it avoid contacting with the user who lies low in seat, reach the effect that reduces the seat support force.
In an embodiment; This elastomer containing hole more can be arranged between two first adjacent elastomers except that can being arranged at the first elastomer inner bottom, makes when second elastomer rises through portable plate; Be to be positioned between two first elastomers, still can reach the purpose of adjustment seat elastic anchorage force.
In an embodiment, this lowering or hoisting gear is to be arranged at four corners of portable plate.
In an embodiment, this lowering or hoisting gear is to be arranged at the portable plate middle position.
In an embodiment, this lowering or hoisting gear comprise motor and be arranged on the motor and with the interconnective power output shaft of portable plate.
In an embodiment, the power output shaft of this lowering or hoisting gear is to can be screw rod.
In an embodiment, this first elastomer and the second elastomeric position configuration are that honeycomb is arranged setting.
In an embodiment, this first elastomer and the second elastomeric position configuration are the setting that is arranged in parallel.
In an embodiment, this first elastomer and the second elastomeric position configuration are the rule setting that is staggered.
In an embodiment, this lowering or hoisting gear is to be connected with receiver of remote-control sytem and remote control transmitter, provides the user to transmit to receiver of remote-control sytem through remote control transmitter, and then passes through the lifting action of remote control receiver controls lowering or hoisting gear.
In an embodiment, the crack is to be provided with guide body between this first elastomer and second elastomer.
In an embodiment, this lowering or hoisting gear comprises aerostatic press and air bag, and is arranged at the portable plate below, then interconnects through body between air bag and aerostatic press, makes aerostatic press to make the portable plate and second elastomer rise or descend to airbag aeration.
In an embodiment, this portable plate below is to be provided with gripper shoe, and barograph is to establish as in the gripper shoe, and air bag then is arranged between portable plate and gripper shoe.
In an embodiment, be installed with reference column on this gripper shoe, reference column activity simultaneously is arranged on the portable plate, makes portable plate be able to stable knee-action.
In an embodiment, be to be provided with height sensor between this portable plate and gripper shoe, this height sensor is to interconnect with aerostatic press, and the distance between portable plate and gripper shoe is passed in the aerostatic press, so as to reaching the displacement of control portable plate.
 
Description of drawings
Fig. 1 is the three-dimensional decomposition texture sketch map of seat of the present invention.
Fig. 2 is the three-dimensional sketch map of seat of the present invention.
Fig. 3 is the side structure sketch map of seat of the present invention.
Fig. 4 for second elastomer of seat of the present invention in the action sketch map of side structure.
Fig. 5 implements sketch map for the side structure of seat of the present invention.
Fig. 6 is another enforcement structural upright structural representation of seat of the present invention.
Fig. 7 A is seat first elastomer of the present invention and the second elastomeric first planar configuration sketch map.
Fig. 7 B is seat first elastomer of the present invention and the second elastomeric second planar configuration sketch map.
Fig. 7 C is seat first elastomer of the present invention and second elastomeric the 3rd planar configuration sketch map.
Fig. 8 is the another enforcement perspective view of seat of the present invention.
Fig. 9 is another lifting device structure sketch map of seat of the present invention.
Figure 10 is the another lifting device structure sketch map of seat of the present invention.
[main element symbol description]
1 seat body
2 fixed heads
21 first elastomers
22 elastomer containing holes
3 portable plates
31 second elastomers
4 elastic layers
5 lowering or hoisting gears
51 motors
52 power output shafts
7 guide body
8 gripper shoes
81 reference columns
9 aerostatic presses
91 air bags
92 bodys
10 height sensors.
The specific embodiment
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, the hereinafter spy enumerates preferred embodiment, and cooperates institute's accompanying drawing, elaborates as follows.
See also Fig. 1 to shown in Figure 3; For three-dimensional decomposition texture, three-dimensional, side structure and second elastomer of seat provided by the present invention in the action sketch map of side structure; It includes the seat body 1 with cushion and back cushion, is to be respectively equipped with in this cushion and the back cushion:
One fixed head 2, this fixed head 2 is provided with several elastomer containing holes 22, and each elastomer containing hole 22 end face outer rim all is combined with one first elastomer 21, makes elasticity containing hole 22 corresponding with first elastomer, 21 hollow;
One portable plate 3; Be combined with elasticity containing hole 22 corresponding second elastomers 31 on this portable plate 3 with fixed head 2; Portable plate 3 is to be arranged at fixed head 2 belows; Make second elastomer 31 corresponding, cause second elastomer 31 can be from first elastomer, 21 inside movable from lower to upper with elasticity containing hole 22;
At least one group of above lowering or hoisting gear 5; This lowering or hoisting gear 5 is to be arranged at portable plate 3 bottoms, and in present embodiment, this lowering or hoisting gear 5 is four corners that are arranged at portable plate 3 bottoms respectively; Only be not noted that and exceed with this position; Also can be arranged at the middle position of portable plate 3 bottoms, this lowering or hoisting gear 5 comprise motor 51 and be arranged on the motor 51 and with portable plate 3 interconnective power output shafts 52, this power output shaft 52 is a screw rod; When motor 51 rotated, the rotation through screw rod made portable plate 3 be able to upper and lower moving through the drive of power output shaft 52; In addition; Lowering or hoisting gear 5 of the present invention is to connect remote control (not indicating among the figure); This remote control comprises a receiver of remote-control sytem and remote control transmitter (not indicating among the figure); This receiver of remote-control sytem is to be electrically connected each other with motor 51, and receives the signal from remote control transmitter, is able to control the running of motor 51 in view of the above; The signal that remote control transmitter then can send unlatching at least, rises or descend provides the user to transmit through remote control transmitter and controls the lifting action of lowering or hoisting gear 5 to receiver of remote-control sytem to receiver of remote-control sytem; In addition, be to be provided with a height sensor between portable plate and fixed head, this highly feels the side device is to be electrically connected each other with motor, and the distance of 2 of portable plate 3 and fixed heads is passed in the motor 51, so as to reaching the control displacement;
Posterior limiting 4 is arranged on the top layer of first elastomer 21.
Above-mentioned action through remote control control lowering or hoisting gear 5 is merely the embodiment that adds of the present invention; Be not in order to limit to claim of the present invention; No matter move, all should be included in the claim of the present invention with manual or automated manner control lowering or hoisting gear.
See also Fig. 4 and shown in Figure 5, for second elastomer of seat provided by the present invention is implemented sketch map in the action sketch map and the side structure of side structure; When user's desire improves the elastic anchorage force of cushion or back cushion; It is the motor 51 that starts lowering or hoisting gear 5; Make when motor 51 drive power output shafts 52 move portable plate 3 on fixed head 2 directions; 31 on second elastomer on the portable plate 3 passes on the elastomer containing hole 22 and moves, and this moment, if the user was seating on cushion and back cushion the time, except that first elastomer 21 receives user's weight and compressing and supporting; The strength that the also identical user of providing of second elastomer 31 supports improves the elastic anchorage force of cushion and back cushion whereby; Otherwise; When if user's desire reduces the elastic anchorage force of cushion and back cushion, then can portable plate 3 be moved down through motor 51 actions of lowering or hoisting gear 5, reduce the height of second elastomer 31; Make the user only contact, reach the elastic anchorage force that reduces cushion and back cushion with first elastomer 21.
In addition; The distance of moving on this portable plate 3 can be transferred to the user and control voluntarily; The user is optionally with the position of 1/3 position that moves to first elastomer 21 on second elastomer 31 on the portable plate 3 or 1/2 position or 2/3 or with moving on second elastomer 31 and first elastomer, 21 height such as grade or arbitrary positions; Quovis modo, first spring 21 can produce different sinking amplitudes and resiliency supported when bearing weight.
See also shown in Figure 6ly, another that is seat of the present invention implemented perspective view; In present embodiment, be arranged at elastomer containing hole 22 on the fixed head 2 except that with first elastomer, 21 hollow are corresponding, also can be arranged at 21 on two first elastomers; In other words, make second elastomer 31 can be crisscross arranged between two first elastomers 21, when user's desire improves the elastic anchorage force of seat; It is the motor 51 that starts lowering or hoisting gear 5; Make that 31 on second elastomer on the portable plate 3 passed on the elastomer containing hole 22 and moves, and is positioned between two first elasticity 21 bodies when motor 51 drive power output shafts 52 moved portable plate 3 on fixed head 2 directions; This moment, if the user was seating on seat the time; Except that first elastomer 21 receives user's weight and compressing and supporting, the strength that the also identical user of providing of second elastomer 31 supports improves the elastic anchorage force of seat whereby; Otherwise, if when user's desire reduces the elastic anchorage force of seat, then can portable plate 3 be moved down through motor 51 actions of lowering or hoisting gear 5, reduce the height of second elastomer 31 and only contact with first elastomer 21, reach the elastic anchorage force of reduction seat.
See also shown in Fig. 7 A, B, the C; Be seat first elastomer of the present invention and second elastomeric first plane, second plane, the 3rd planar configuration sketch map; These three sketch mapes are to show that respectively the arrangement when first elastomer 21 and second elastomer 31 are arranged at cushion or back cushion is provided with the position; Fig. 7 A shows that first elastomer 21 and 31 on second elastomer are honeycomb arrangement setting; Also promptly first elastomer 21 and 31 on second elastomer are tight and interlaced arrangement mode, as the arrangement mode kenel of honeycomb; Fig. 7 B then shows first elastomer 21 and 31 arrangement settings for being parallel to each other of second elastomer; Fig. 7 C shows that then the position configuration of first elastomer 21 and second elastomer 31 is the rule setting that is staggered; This arranges and is provided with is that first elastomer 21 and second elastomer 31 are the setting that is arranged in parallel, yet on the position that is provided with that is arranged in parallel, first elastomer 21 and second elastomer 31 is staggered; No matter first elastomer 21 and second elastomer 31 are through which kind of mode to arrange, and it is the effect that all can reach adjustment seat elastic anchorage force.
See also shown in Figure 8ly, be the another enforcement perspective view of seat of the present invention; In present embodiment; When on second elastomer 31, moving in first elastomer 21; Cause the collision deformation of 21 on second elastomer 31 and first elastomer because of angular deviation; Therefore be provided with guide body 7 in the gap of first elastomer 21 and second elastomer 31, this can guide the displacement action direction of second elastomer 31 tool, the distortion of avoiding second elastomer 31 or first elastomer 21 to produce because of collision simultaneously; Above-mentioned guide body 7 can be foam.
See also shown in Figure 9ly, be another lifting device structure sketch map of seat of the present invention; In present embodiment; Be provided with a gripper shoe 8 in portable plate 3 belows, then be equipped with aerostatic press 9 in the gripper shoe 8, and be provided with several air bags 91 in portable plate 3 and 8 of gripper shoes; 9 of air bag 91 and aerostatic presses then interconnect through body 92, make that aerostatic press 9 must be to air bag 91 inflations; Then be installed with reference column 81 on the gripper shoe 8, reference column 81 activities simultaneously are arranged on the portable plate 3, make portable plate 3 be able to stable knee-action.In addition, 8 of portable plate 3 and gripper shoes are to be provided with height sensor 10, and this height sensor 10 is to interconnect with aerostatic press 9, and the distance of 8 of portable plate 3 and gripper shoes is passed in the aerostatic press 9, so as to reaching the displacement of control portable plate 3.
When user's desire improves the elastic anchorage force of seat, start aerostatic press 9 to air bag 91 inflations, after air bag 91 inflations; Then can portable plate 3 be moved on fixed head 2 sides; This moment, 31 on second elastomer on the portable plate 3 passed 22 displacements of elastomer containing hole, if user's seating is when seat, except that first elastomer 21 receives user's weight and compressing and supporting; The strength that the also identical user of providing of second elastomer 31 supports improves the elastic anchorage force of seat whereby; Otherwise, when reducing the elastic anchorage force of seat, then can make air bag 91 lose heart, and then portable plate 3 is moved down through aerostatic press 9 as if user's desire, reduce the height of second elastomer 31, and only contact with first elastomer 21, reach and reduce the seat elastic anchorage force.
See also shown in Figure 10ly, be the another lifting device structure sketch map of seat of the present invention; Its structure is identical with Fig. 9 haply in present embodiment; Repeat no more in this; Its discrepancy is aerostatic press 9 is arranged at outside the seat, and is connected on the aerostatic press 9 after through body 92 air bag 91 being interconnected again, and connects in addition through aerostatic press 9 to be provided with; Make it be minimized height of seat, can reduce placing space.
In addition, lowering or hoisting gear is that the pattern that motor 51 or air bag 91 drive is merely most preferred embodiment of the present invention, is not in order to limit to claim of the present invention, as long as can portable plate 3 be risen the device that moves up and down, should be included in the claim of the present invention.
In addition, this lowering or hoisting gear can pass through manual mode, and drive portable plate 3 rises and moves down, and does not limit to automatically and moves.
In addition, this portable plate 3 can move up and down automatically, as massage armchair.
The present invention and existing product are compared down, and have the following advantages:
The present invention is the upper and lower mobile position that can adjust portable plate; Cause second elastomer on the portable plate can increase by the first elastomeric coefficient of elasticity, the elastic anchorage force that causes cushion and back cushion can be adjusted, to be directed against different users; Provide different elasticity to support; When user's seating on seat, can control the sinking amplitude of cushion and back cushion, and then reach the purpose that supports human body.

Claims (10)

1. a seat comprises the seat body with cushion and back cushion, it is characterized in that, is respectively equipped with in this cushion and the back cushion:
A fixed head, this fixed head are provided with several elastomer containing holes and at least one first elastomer;
A portable plate, this portable plate are provided with and corresponding second elastomer of elasticity containing hole, portable plate being positioned fixed head below, and keep a movably distance with fixed head; And
At least one group of above lowering or hoisting gear, respectively this lowering or hoisting gear is the bottom that is incorporated into portable plate, this portable plate and second elastomer rise or descend through the drive of lowering or hoisting gear, so that second elastomer runs through the elastomer containing hole, and emergence goes out the fixed head end face.
2. seat according to claim 1 more includes a remote control, and this remote control is connected with lowering or hoisting gear, with the lifting action of control lowering or hoisting gear.
3. seat according to claim 1 is characterized in that, this lowering or hoisting gear comprise motor and be arranged on the motor and with the interconnective power output shaft of portable plate.
4. seat according to claim 1 is characterized in that, this elastomer containing hole is arranged at the bottom in first elastomer.
5. seat according to claim 1 is characterized in that, this elastomer containing hole is arranged between two the first adjacent elastomers.
6. seat according to claim 1 is characterized in that, is provided with guide body in this first elastomer and the second elastomeric gap.
7. seat according to claim 1 is characterized in that, is to be provided with height sensor between this fixed head and portable plate, and this height sensor then is electrically connected with lowering or hoisting gear.
8. seat according to claim 1; It is characterized in that this lowering or hoisting gear comprises aerostatic press and air bag, and be arranged at the portable plate below; Then interconnect between air bag and aerostatic press through body; Make aerostatic press to make the portable plate and second elastomer rise or descend to airbag aeration, so that second elastomer runs through the elastomer containing hole, and emergence goes out the fixed head end face.
9. seat according to claim 8 is characterized in that, this portable plate below is to be provided with gripper shoe, and barograph is to establish as in the gripper shoe, and air bag then is arranged between portable plate and gripper shoe.
10. seat according to claim 8 is characterized in that, is installed with reference column on this gripper shoe, and reference column activity simultaneously is arranged on the portable plate so that the stable knee-action of portable plate.
CN2011100359025A 2011-02-11 2011-02-11 Seat Pending CN102631093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100359025A CN102631093A (en) 2011-02-11 2011-02-11 Seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011100359025A CN102631093A (en) 2011-02-11 2011-02-11 Seat

Publications (1)

Publication Number Publication Date
CN102631093A true CN102631093A (en) 2012-08-15

Family

ID=46615804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011100359025A Pending CN102631093A (en) 2011-02-11 2011-02-11 Seat

Country Status (1)

Country Link
CN (1) CN102631093A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105496066A (en) * 2015-09-09 2016-04-20 浙江大学 Chair back with function of fitting to human back through curve self-regulation
WO2017054671A1 (en) * 2015-09-28 2017-04-06 张少堂 Cushion with alternating load-bearing parts
CN107226004A (en) * 2017-04-26 2017-10-03 农思宇 Flocking qi of chong channel ascending adversely cushion
CN107776448A (en) * 2017-11-07 2018-03-09 陈楚贵 A kind of Novel car seat backrest

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222137A (en) * 1978-03-20 1980-09-16 Nihon Bed Manufacturing Company, Ltd. Internal pressure adjustable bed
CA1211234A (en) * 1984-04-10 1986-09-09 Allen Elliott Seat cushion spring assembly
WO2009105935A1 (en) * 2008-02-27 2009-09-03 Hsu Han-Chung Chair adapted to adjust according to person's sitting-posture vertebral curve (iii)
CN201542119U (en) * 2009-06-23 2010-08-11 许汉忠 Seat capable of automatically supporting human body vertebral curve
CN201727179U (en) * 2010-08-13 2011-02-02 许汉忠 Mattress structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4222137A (en) * 1978-03-20 1980-09-16 Nihon Bed Manufacturing Company, Ltd. Internal pressure adjustable bed
CA1211234A (en) * 1984-04-10 1986-09-09 Allen Elliott Seat cushion spring assembly
WO2009105935A1 (en) * 2008-02-27 2009-09-03 Hsu Han-Chung Chair adapted to adjust according to person's sitting-posture vertebral curve (iii)
CN201542119U (en) * 2009-06-23 2010-08-11 许汉忠 Seat capable of automatically supporting human body vertebral curve
CN201727179U (en) * 2010-08-13 2011-02-02 许汉忠 Mattress structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105496066A (en) * 2015-09-09 2016-04-20 浙江大学 Chair back with function of fitting to human back through curve self-regulation
CN105496066B (en) * 2015-09-09 2018-02-13 浙江大学 Self-regulated pitch curve adapts to the chair back of human body back
WO2017054671A1 (en) * 2015-09-28 2017-04-06 张少堂 Cushion with alternating load-bearing parts
CN107226004A (en) * 2017-04-26 2017-10-03 农思宇 Flocking qi of chong channel ascending adversely cushion
CN107776448A (en) * 2017-11-07 2018-03-09 陈楚贵 A kind of Novel car seat backrest

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Application publication date: 20120815