GB2513203A - Foldable leg rest - Google Patents

Foldable leg rest Download PDF

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Publication number
GB2513203A
GB2513203A GB1311550.6A GB201311550A GB2513203A GB 2513203 A GB2513203 A GB 2513203A GB 201311550 A GB201311550 A GB 201311550A GB 2513203 A GB2513203 A GB 2513203A
Authority
GB
United Kingdom
Prior art keywords
seat
actuator
folding frame
leg rest
pivotally connected
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.)
Granted
Application number
GB1311550.6A
Other versions
GB2513203B (en
GB201311550D0 (en
Inventor
qing-kun Yin
Chin-Chen Chang
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.)
WAN YU LI
Original Assignee
WAN YU LI
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 WAN YU LI filed Critical WAN YU LI
Publication of GB201311550D0 publication Critical patent/GB201311550D0/en
Publication of GB2513203A publication Critical patent/GB2513203A/en
Application granted granted Critical
Publication of GB2513203B publication Critical patent/GB2513203B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • A47C1/0352—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 characterised by coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B60N2/02258—Electric motors therefor characterised by the mounting of the electric motor for adjusting the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/067—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable by linear actuators, e.g. linear screw mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/995—Lower-leg-rests, e.g. calf-rests

Abstract

A foldable leg rest comprising a seat 10, a folding frame 20 pivotally connected to the front end of the seat 10 and a drive mechanism mounted between the folding frame and seat which has two linked actuator elements 30 and 40 and wherein the folding frame 20 can be pivoted to be in a horizontal plane in which the seat 10 lies and wherein the actuator elements 30 and 40 are pivotally connected to the seat and folding frame. The first actuator may 40 be a threaded rod with a cooperating hole whose movement is driven by a motor and the second 30 a motorized fader with a telescopic rod. A spring 60 may be provided which extends between the seat 20 and a joint 50 connecting the two actuators. The leg rest may be used as a vehicle chair or as part of a massage chair and may be mounted on a sliding base.

Description

FOLDABLE LEG REST
1. Field of the Invention
The present invention relates generally to chairs, and more particularly to a foldable leg rest applied to a chair for allowing the legs of a sifter to stretch horizontally.
2. Description of the Related Art
Chairs allow people to sit thereon and support weights of sitters, Chairs are varied in structure and function. With reference to FIG. 9, an electric car seat or a massage chair substantially comprises a seat 90, a backrest 91, a folding frame 92 and a drive mechanism. The seat 90 has a front end and a rear end. The backrest 91 is pivotally connected to the rear end of the seat 90. The folding frame 92 is pivotally connected to the front end of the seat 90. The drive mechanism is mounted between the seat 90 and the folding frame 92.
With reference to FIG. 10, the drive mechanism is actuated to pivot the f&ding frame 92 relative to the seat 90 to construct a foldable leg rest. Therefore, the legs of a sitter can be stretched and placed on the folding frame 92.
The drive mechanism includes a pivot arm 93 and an actuator 94. The pivot arm 93 has a front end and a rear end. The front end of the pivot arm 93 is secured to the folding frame 92. The actuator 94 is a motorized fader having a cylindrical body 941 and a telescopic rod 942. The cylindrical body 941 is pivotally connected to the seat 90. The telescopic rod 942 is slidably received in the cylindrical body 941 and is extendable and retractable relative to the cylindrical body 941. The telescopic rod 942 has a front end extending from the cylindrical body 941 and pivotally connected to the rear end of the pivot arm 93. The folding frame 92 is pivoted fonvard to be unfolded when the actuator 94 is operated to extend the telescopic rod 942. Likewise, the folding frame 92 is pivoted backward to be folded when the actuator 94 is operated to retract the telescopic rod 942.
However, the length of the telescopic rod 942 is limited because the actuator 94 is disposed within the space between the seat 90 and the folding frame 92, such that the actuator 94 cannot provide sufficient stroke to pivot the folding frame 92 to a horizontal plane in which the seat 90 lies. Accordingly, the legs of the sitter cannot be horizontally stretched on the folding frame 92, thereby reducing sitting comfort.
To overcome the shortcoming, the present invention provides a foldable leg rest that allows the legs of a sitter to stretch horizontally.
A foldable leg rest in accordance with the present invention comprises a seat, a folding frame and a drive mechanism. The folding frame is pivotally connected to a front end of the seat. The drive mechanism is mounted between the seat and the folding frame and includes a first actuator and a second actuator. The first actuator has a front end and a rear end. The front end of the first actuator is pivotally connected to the folding frame. The second actuator has a front end and a rear end. The rear end of the second actuator is pivotally connected to the seat. The front end of the second actuator is secured to the rear end of the first actuator. The first actuator and the second actuator are actuated to pivot the folding frame relative to the seat. The first actuator and the second actuator provide two strokes such that the folding frame can be pivoted to a horizontal plane in which the seat lies. Therefore, the legs of a sitter can be horizontally stretched on the folding frame, thereby enhancing sifting comfort.
IN THE DRAWINGS: FIG. 1 is a perspective view of a foldable leg rest in accordance with the present invention; FIG. 2 is another perspective view of the foldable leg rest of FIG. 1; FIG. 3 is a side view of the foldable leg rest of FIG. 1; FIG. 4 is a perspective view of a chair with the foldable leg rest of FIG. 1; FIG. 5 is a side view of the chair of FIG 4 showing that the foldable leg rest is in a non-actuated state; FIGS. 6 to S are side views of the chair of FIG. 4 showing that the foldable leg rest is in an actuated state; FIG. 9 is a side view of a conventional chair in accordance with the prior art showing that the foldable leg rest is in a non-actuated state; and FIG 10 is side view of the conventional chair of FIG. 9 showing that the foldable leg rest is in an actuated state.
With reference to FIGS. ito 3, a foldable leg rest in accordance with the present invention comprises a seat 10, a folding frame 20 and a drive mechanism.
The folding frame 20 is pivotally connected to a front end of the seat 10. The seat 10 and the folding frame 20 are conventional and thus detailed
descriptions thereof are omitted.
The drive mechanism is mounted between the seat 10 and the folding frame 20 and includes a first actuator 30 and a second actuator 40.
The first actuator 30 has a front end and a rear end. The front end of the first actuator 30 is pivotally connected to the folding frame 20. The second actuator 40 has a front end and a rear end. The rear end of the second actuator is pivotally connected to the seat 10. The front end of the second actuator 40 is secured to the rear end of the first actuator 30. The first actuator 30 and the second actuator 40 are actuated to pivot the folding frame 20 relative to the seat 10.
A preferred embodiment is described below.
A pivot piece 11 extends downward from a rear central portion of the seat 10, and an upper eye 12 is mounted on a front central portion of a bottom surface of the seat 10.
The first actuator 30 has a pivot member 31, a motor 32, a threaded rod 33 and a holder 34. The pivot member 31 is pivotally connected to an inner surface of the folding frame 20 facing the seat 10. The motor 32 is secured to the pivot member 31. The threaded rod 33 is driven by the motor 32. The holder 34 has a threaded hole 341 for receiving the threaded rod 33. The threaded rod 33 is extendable and retractable relative to the holder 34.
The second actuator 40 is a motorized fader having a cylindrical body 41 and a telescopic rod 42. The cylindrical body 41 is pivotally connected to a lower end of the pivot piece 11 on the seat 10. The telescopic rod 42 is slidably received in the cylindrical body 41, is extendable and retractable relative to the cylindrical body 41 and has a front end extending from the cylindrical body 41.
The motorized fader is conventional and thus a detailed description thereof is omitted.
The drive mechanism further includes a joint 50 and a resilient member 60.
The joint 50 has a front end and a rear end. The front end of the joint is secured to the holder 34 of the first actuator 30. The rear end of the joint is secured to the front end of the telescopic rod 42 of the second actuator 40.
A lower eye 51 is mounted on a top of the joint 50.
The resilient member 60 is connected between the seat 10 and the joint 50. The resilient member 60 is a tension coil spring having an upper hook 61 and a lower hook 62. The upper hook 61 engages the upper eye 12 on the seat 10. The lower hook 62 engages the lower eye 51 on the joint 50.
With reference to FIG. 4, the foldable leg rest in accordance with the present invention is applied to a chair that comprises a seat base 70 and a backrest 80. The seat 10 is movably mounted on the seat base 70. The backrest is pivotally connected to a rear end of the seat 10. With reference to FIG. 5, the leg rest is in a folded state, To unfold the leg rest, with reference to FIG. 6, the motor 32 of the first actuator 30 is operated to extend the threaded rod 33 and thus pivot the folding frame 20 forward relative to the seat 10. With reference to FIG. 7, the second actuator 40 is operated to extend the telescopic rod 42 and thus further pivot the folding frame 20 forward relative to the seat 10. With reference to FIG. 8, the seat 10 is adjustable to be moved forward relative to the seat base 70, and the backrest 80 is adjustable in angle relative to the seat 10 to meet different sitters' needs.
The leg rest in accordance with the present invention includes the first and second actuators 30, 40 providing two strokes such that the folding frame can be pivoted to a horizontal plane in which the seat 10 lies. Therefore, the legs of a sitter can be horizontally stretched on the folding frame 20, thereby enhancing sitting comfort. In addition, the joint 50 and the resilient member 60 allow the folding frame 20 to smoothly pivot and maintain stability in both an unfolded state and a folded state.
To fold the leg rest, with reference to FIG. 5, the first actuator 30 is operated to retract the threaded rod 33 and the second actuator 40 is operated to retract the telescopic rod 42, and thus the folding frame 20 is pivoted to be vertical and perpendicular to the seat 10. Therefore, the area of the leg rest is reduced for convenience in storage and shipment.

Claims (7)

  1. CLAIMS: 1. A foldable leg rest comprising: a seat (10); a folding frame (20) pivotally connected to a front end of the seat (10); and a drive mechanism mounted between the seat (10) and the folding frame (20) and including: a first actuator (30) having: a front end pivotally connected to the folding frame (20); and a rear end; a second actuator (40) having: a front end secured to the rear end of the first actuator (30); and a rear end pivotally connected to the seat (10); and the first actuator (30) and the second actuator (40) actuated to pivot the folding frame (20) relative to the seat (10) such that the folding frame (20) can be pivoted to a horizontal plane in which the seat (10) lies.
  2. 2. The foldable leg rest as claimed in claim 1, wherein the first actuator (30) has a pivot member (3 1) pivotally connected to an inner surface of the folding frame (20) facing the seat (10); a motor (32) secured to the pivot member (31); a threaded rod (33) driven by the motor (32); and a holder (34) having a threaded hole (341) for receiving the threaded rod (33), and the threaded rod (33) being extendable and retractable relative to the holder (34).
  3. 3. The foldable leg rest as claimed in claim 2, wherein the second actuator (40) is a motorized fader having: a cylindrical body (41) pivotally connected to the seat (10); and a telescopic rod (42) being extendable and retractable relative to the cylindrical body (41).
  4. 4. The foldable leg rest as claimed in claim 3, wherein the drive mechanism includes ajoint (50) having: a front end secured to the holder (34) of the first actuator (30); and a rear end secured to a front end of the telescopic rod (42) of the second actuator (40) extending from the cylindrical body (41).
  5. 5. The foldable leg rest as claimed in claim 4, wherein the drive mechanism includes a resilient member (60) connected between the seat (10) and the joint (50).
  6. 6. The foldable leg rest as claimed in claim 5, wherein an upper eye (12) is mounted on a front portion of a bottom surface of the seat (10); a lower eye (51) is mounted on a top of the joint (50); and the resilient member (60) has an upper hook (61) engaging the upper eye (12) on the seat (10); and a lower hook (62) engaging the lower eye (51) on the joint (50).
  7. 7. The foldable leg rest as claimed in any one of claims 3 to 6, wherein a pivot piece (11) extends downward from a rear portion of the seat (10), and the cylindrical body (41) of the second actuator (40) is pivotally connected to a lower end of the pivot piece (11).Amendments to the claims have been filed as follows.CLAIMS: 1. A foldable leg rest comprising: a seat (10); a folding frame (20) pivotally connected to a front end of the seat (10); and a drive mechanism mounted between the seat (10) and the folding frame (20) and including: a first actuator (30) having: a front end pivotally connected to the folding frame (20); and a rear end; a second actuator (40) having: a front end secured to the read end of the first actuator (30); and a rear end pivotally connected to the seat (10); and the first actuator (30) and the second actuator (40) actuated to pivot the folding frame (20) relative to the seat (10) such that the folding frame (20) * can be pivoted to a horizontal plane in which the seat (10) lies; * wherein the first actuator (30) has a pivot member (31) pivotally connected to an inner surface of the folding frame (20) facing the seat (10); * * a * a motor (32) secured to the pivot member (31); a threaded rod (33) driven by the motor (32); and a holder (34) having a threaded hole (341) for receiving the threaded rod (33), and the threaded rod (33) being extendable and retractable relative to the holder (34); wherein the second actuator (40) is a motorized fader having a cylindrical body (41) pivotally connected to the seat (10); and a telescopic rod (42) being extendable and retractable relative to the cylindrical body (41); wherein the drive mechanism includes a joint (50) having a front end secured to the holder (34) of the first actuator (30); and a rear end secured to the front end of the telescopic rod (42) of the second actuator (40) extending from the cylindrical body (41); and wherein the drive mechanism includes a resilient member (60) connected between the seat (10) and the joint (50).2. The foldable leg rest as claimed in claim 1, Wherein an upper eye (12) is mounted on a front portion of a bottom surface of the seat (10); a lower eye (51) is mounted on a top of the joint (50); and the resilient member (60) has * . an upper hook (61) engaging the upper eye (12)on the seat (10); * SD * * *5 and a lower hook engaging the lower eye (51) on the joint (50).S....? 3. The foldable leg rest as claimed in claims 1 or 2, wherein a pivot piece (11) extends downward from a rear portion of the seat (10), and the cylindrical body (41) of the second actuator (40)is pivotally connected to a lower end of the pivot piece (11).
GB201311550A 2013-04-17 2013-06-27 Foldable leg rest Expired - Fee Related GB2513203B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310133164.7A CN104106935A (en) 2013-04-17 2013-04-17 Overturning type foot rest

Publications (3)

Publication Number Publication Date
GB201311550D0 GB201311550D0 (en) 2013-08-14
GB2513203A true GB2513203A (en) 2014-10-22
GB2513203B GB2513203B (en) 2015-03-18

Family

ID=48999151

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201311550A Expired - Fee Related GB2513203B (en) 2013-04-17 2013-06-27 Foldable leg rest

Country Status (2)

Country Link
CN (1) CN104106935A (en)
GB (1) GB2513203B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106114313A (en) * 2016-07-31 2016-11-16 付晓明 Bus seat
CN106235726A (en) * 2016-07-30 2016-12-21 陈烁 Public seat
CN110816377A (en) * 2019-12-16 2020-02-21 东莞市佳雅汽车座椅有限公司 VIP (very important person) business seat for automobile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104973486A (en) * 2015-02-06 2015-10-14 湖北安步电梯科技有限公司 Elevator carrying device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227489B1 (en) * 1998-05-15 2001-05-08 Koito Industries, Ltd. Aircraft seat apparatus
EP1097864A1 (en) * 1999-11-04 2001-05-09 Reynard Aviation Limited Improvements in and relating to seats for passenger vehicles

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Publication number Priority date Publication date Assignee Title
JP3957442B2 (en) * 2000-04-24 2007-08-15 三洋電機株式会社 Massage machine
JP2003204836A (en) * 2002-01-15 2003-07-22 Marutaka Co Ltd Chair with foot rest
JP2006204701A (en) * 2005-01-31 2006-08-10 Kokuyo Co Ltd Chair
US8070219B2 (en) * 2008-10-23 2011-12-06 L&P Property Management Company Chair leg rest assembly
CN102123690A (en) * 2008-12-05 2011-07-13 大东电机工业株式会社 Massage chair with foot massaging device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227489B1 (en) * 1998-05-15 2001-05-08 Koito Industries, Ltd. Aircraft seat apparatus
EP1097864A1 (en) * 1999-11-04 2001-05-09 Reynard Aviation Limited Improvements in and relating to seats for passenger vehicles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106235726A (en) * 2016-07-30 2016-12-21 陈烁 Public seat
CN106114313A (en) * 2016-07-31 2016-11-16 付晓明 Bus seat
CN110816377A (en) * 2019-12-16 2020-02-21 东莞市佳雅汽车座椅有限公司 VIP (very important person) business seat for automobile
CN110816377B (en) * 2019-12-16 2021-08-17 东莞市佳雅汽车座椅有限公司 VIP (very important person) business seat for automobile

Also Published As

Publication number Publication date
CN104106935A (en) 2014-10-22
GB2513203B (en) 2015-03-18
GB201311550D0 (en) 2013-08-14

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170627