WO1998013228A1 - Improvements in or relating to a head-rest - Google Patents

Improvements in or relating to a head-rest Download PDF

Info

Publication number
WO1998013228A1
WO1998013228A1 PCT/SE1997/001611 SE9701611W WO9813228A1 WO 1998013228 A1 WO1998013228 A1 WO 1998013228A1 SE 9701611 W SE9701611 W SE 9701611W WO 9813228 A1 WO9813228 A1 WO 9813228A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
rest
extendable
elements
front face
Prior art date
Application number
PCT/SE1997/001611
Other languages
French (fr)
Inventor
Karin REIKERÅS
Martin LINDSTRÖM
Original Assignee
Autoliv Development Ab
Ab Volvo
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 Autoliv Development Ab, Ab Volvo filed Critical Autoliv Development Ab
Priority to DE19782021T priority Critical patent/DE19782021T1/en
Priority to US09/147,966 priority patent/US6120099A/en
Publication of WO1998013228A1 publication Critical patent/WO1998013228A1/en

Links

Classifications

    • 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
    • B60N2/80—Head-rests
    • B60N2/803—Head-rests fixed
    • 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/868—Head-rests movable or adjustable providing a lateral movement parallel to the occupant's shoulder line
    • 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
    • B60N2/80—Head-rests
    • B60N2/885—Head-rests provided with side-rests

Definitions

  • THE PRESENT INVENTION relates to a head-rest, and more particularly relates to a head-rest for use in a motor vehicle.
  • a head-rest On a seat in a motor vehicle.
  • a principal function of the head-rest is to prevent the head of the occupant moving rearwardly, relative to the torso of the occupant, in the event that a rear impact should arise.
  • the head-rest prevents the head of an occupant of the vehicle moving in an undesirable way when the occupant moves back into the seat after being restrained by a seat-belt and/or air-bag, following a frontal impact.
  • a head-rest may also find an additional use, especially by a passenger in a motor vehicle, where the head-rest may provide support for the head of the passenger, especially if the passenger wishes to rest or sleep.
  • a typical head-rest only provides a relatively small area upon which to rest the head.
  • One reason for this is to enable rear seat passengers to enjoy a forward view.
  • elements which move from a retracted position to an extended position, in order to provide more support.
  • US-A-4 ,205, 878 discloses an arrangement in which two elements are provided, one located on each side of the central part of the head-rest, the elements being movable axially, that is to say in a direction extending towards the front of the seat, in order to provide improved support.
  • the remaining area between the two elements, when they are in the forwardly extended position is relatively small.
  • the present invention seeks to provide an improved head-rest.
  • a head-rest for a motor vehicle seat the head-rest defining a front face adapted to support the head of an occupant of the seat, and side parts located on either side of the front face, the head-rest having two extendable elements, each adapted to move from a retracted position to an extending position, the extendable elements being adapted to move, with a sliding motion, from the retracted position through the side parts of the head-rest to an extended position in which the elements extend laterally relative to the head-rest and forwardly relatively to the head-rest.
  • each extendable element comprises means adapted to engage a rail defined within the head-rest, each element being movable in a slidable manner along the rail.
  • the rail is of arcuate form.
  • the rail comprises two opposed arcuate recesses, and each movable element has an arcuate plate, the opposed edges of which are received within the opposed recesses.
  • the recesses are formed in the upper and lower walls of a substantially hollow tubular housing that extends transversely of the head-rest.
  • the front face of each extendable element is upholstered.
  • FIGURE 1 is a perspective view of a head-rest for a seat in a motor vehicle in a first condition
  • FIGURE 2 is a view corresponding to Figure 1 showing the head-rest in a second condition
  • FIGURE 3 is a view showing part of the head-rest of Figures 1 and 2 (with parts being cut away for the sake of clarity of illustration) illustrating the interior of the head-rest,
  • FIGURE 4A is a horizontal sectional view of the head-rest in the condition of Figure 1, and
  • FIGURE 4B is a horizontal sectional view of the head-rest in the condition of Figure 2.
  • a head-rest 1 to be mounted on a vehicle seat presents a front face 2 which may be constituted by fabric, or by a thin layer of plastic material, which may simulate leather, or by real leather, which is located in front of interior padding.
  • the head-rest presents two side faces 3,3*.
  • a central region of each side face 3,3' is formed by one end 4 of an extendable element 5,6 which can be moved from a retracted position, as shown in Figure 1, in which the extendable elements 5,6 are totally retained within the head-rest 1, to a position as shown in Figure 2 in which the extendable elements 5,6 extend laterally outwardly and forwardly from the side faces 3,3' of the head-rest 1.
  • the extendable elements are movable manually from the retracted position as shown in Figure 1 to the extended position shown in Figure 2.
  • the forwardly directed face 7,8 of each of the extendable elements 5,6 may be covered with fabric, or a layer of plastic material, which may simulate leather, or may be covered with real leather, and padding is located behind the fabric or the layer of plastic so that the front face 7,8 of each of the extendable elements 5,6 forms a comfortable surface against which the occupant of the seat may rest his head.
  • the front face 2 of the head-rest 1 is illustrated and comprises, as mentioned above, either fabric or a layer of a plastic material, or a layer of leather.
  • a support element 10 Contained within the head-rest is a support element 10, in the form of a hollow tubular housing, which extends transversely of the head-rest.
  • the support element 10 has a front, substantially vertical wall 11.
  • the front wall 11 is a rigid wall having an outwardly curving form, and is separated from the front face 2 of the head-rest by padding.
  • the support element 10 has a rear vertical wall 12.
  • the rear wall 12 is located at the rear part of the headrest 1 and is covered by a region 13 of the fabric or layer of plastic, or layer of leather, that form the front face 2 of the head-rest.
  • the support element 10 also includes a lower wall 14 which inter-connects the front wall 11 and the rear wall 12, and an upper wall 15 which also inter-connects the front wall 11 and the rear wall 12.
  • the lower wall 14 has defined therein two arcuate grooves, 16,17, located at respective opposed ends of the support element 10 and extending generally axially of the support element.
  • the arcuate grooves are symmetrically arranged, and lie on a common arc.
  • the upper wall 15 also has to arcuate grooves formed therein, only one of which, 18, is visible in Figure 3.
  • the arcuate grooves in the upper wall 15 overlie the arcuate grooves 16,17 in the lower wall.
  • the arcuate grooves as described above, define rails which support the extendable elements 6 and 7.
  • each of the extendable elements 5 and 6 comprise an inner metal core 20.
  • the inner metal core defines a vertical arcuate plate 21.
  • the radius of curvature of the arcuate plate is the same as the radius of curvature of the arcuate grooves.
  • the upper and lower edges of the arcuate plate 21 are received within the arcuate grooves 16,17,18, so that each metal core 20 may slide along the rail defined by the grooves .
  • Each metal core also defines an axially extending end piece 23 which extends axially of the seat to which the head-rest is fitted and substantially transversely to the arcuate plate 21.
  • the metal core is provided with an outer covering 24 formed of fabric or a layer of plastic which may simulate leather, or a layer of real leather.
  • the outer covering 24 lies adjacent the rear surface of the arcuate plate 21 and then passes adjacent to the exterior of the end piece 23.
  • the fabric or layer of plastic or layer of leather 24 then extends in front of the metal core 20 and is separated therefrom by means of padding 25. This part of the fabric or layer of plastic or layer of leather thus provides an upholstered front face 7,8 for the extendable elements.
  • the extendable elements are moved from the retracted position as shown in Figure 1 and Figure 4A, by manually grasping the exposed end parts of the extendable elements and applying an appropriate force, causing the elements to slide, in an arcuate manner, along the rails defined by the arcuate recesses 16,17,18.
  • Figure 4B when the extendable elements are in the extended position, each element presents a relatively comfortable upholstered front face 7,8, which effectively forms a forwardly and laterally extending projection of the front face 2 of the head-rest.
  • the head-rest provides a substantial degree of comfort to a person who wishes to use the head-rest as a support for the head whilst sleeping.
  • the extendable elements may be mechanically interconnected, so that when one of the elements is grasped and moved, the other element simultaneously executes an eguivalent movement.
  • Means such as a motor driving pinions which engages rocks carried by each extendable element, to drive the extendable elements between the extended and retracted positions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

A head-rest (1) for a motor vehicle seat defines a front face (2) and two side faces (3, 3'). The head-rest has two extendable elements (5, 6) which are initially totally retained in the head-rest, but which are adapted to move, with a sliding motion, to an extended position. The elements (5, 6) then extend laterally relative to the head-rest and forwardly relative to the head-rest providing additional support for the head of an occupant of the seat.

Description

"IMPROVEMENTS IN OR RELATING TO A HEAD-REST"
THE PRESENT INVENTION relates to a head-rest, and more particularly relates to a head-rest for use in a motor vehicle.
It is common to provide a head-rest on a seat in a motor vehicle. A principal function of the head-rest is to prevent the head of the occupant moving rearwardly, relative to the torso of the occupant, in the event that a rear impact should arise. Also, the head-rest prevents the head of an occupant of the vehicle moving in an undesirable way when the occupant moves back into the seat after being restrained by a seat-belt and/or air-bag, following a frontal impact. However, a head-rest may also find an additional use, especially by a passenger in a motor vehicle, where the head-rest may provide support for the head of the passenger, especially if the passenger wishes to rest or sleep.
A typical head-rest only provides a relatively small area upon which to rest the head. One reason for this is to enable rear seat passengers to enjoy a forward view. In order to provide improved comfort it has been proposed to provide, on a head-rest, elements which move from a retracted position to an extended position, in order to provide more support. For example, US-A-4 ,205, 878 discloses an arrangement in which two elements are provided, one located on each side of the central part of the head-rest, the elements being movable axially, that is to say in a direction extending towards the front of the seat, in order to provide improved support. However, the remaining area between the two elements, when they are in the forwardly extended position, is relatively small.
The present invention seeks to provide an improved head-rest.
According to this invention there is provided a head-rest for a motor vehicle seat, the head-rest defining a front face adapted to support the head of an occupant of the seat, and side parts located on either side of the front face, the head-rest having two extendable elements, each adapted to move from a retracted position to an extending position, the extendable elements being adapted to move, with a sliding motion, from the retracted position through the side parts of the head-rest to an extended position in which the elements extend laterally relative to the head-rest and forwardly relatively to the head-rest.
Preferably each extendable element comprises means adapted to engage a rail defined within the head-rest, each element being movable in a slidable manner along the rail.
Conveniently the rail is of arcuate form.
Advantageously the rail comprises two opposed arcuate recesses, and each movable element has an arcuate plate, the opposed edges of which are received within the opposed recesses.
In one embodiment the recesses are formed in the upper and lower walls of a substantially hollow tubular housing that extends transversely of the head-rest. Preferably the front face of each extendable element is upholstered.
In order that the invention may be more readily understood, and so that further features thereof may be appreciated, the invention will now be described, by way of example, with reference to the accompanying drawings in which:
FIGURE 1 is a perspective view of a head-rest for a seat in a motor vehicle in a first condition,
FIGURE 2 is a view corresponding to Figure 1 showing the head-rest in a second condition,
FIGURE 3 is a view showing part of the head-rest of Figures 1 and 2 (with parts being cut away for the sake of clarity of illustration) illustrating the interior of the head-rest,
FIGURE 4A is a horizontal sectional view of the head-rest in the condition of Figure 1, and
FIGURE 4B is a horizontal sectional view of the head-rest in the condition of Figure 2.
Referring initially to Figures 1 and 2 of the accompanying drawings, a head-rest 1 to be mounted on a vehicle seat presents a front face 2 which may be constituted by fabric, or by a thin layer of plastic material, which may simulate leather, or by real leather, which is located in front of interior padding.
The head-rest presents two side faces 3,3*. A central region of each side face 3,3' is formed by one end 4 of an extendable element 5,6 which can be moved from a retracted position, as shown in Figure 1, in which the extendable elements 5,6 are totally retained within the head-rest 1, to a position as shown in Figure 2 in which the extendable elements 5,6 extend laterally outwardly and forwardly from the side faces 3,3' of the head-rest 1. The extendable elements are movable manually from the retracted position as shown in Figure 1 to the extended position shown in Figure 2. The forwardly directed face 7,8 of each of the extendable elements 5,6 may be covered with fabric, or a layer of plastic material, which may simulate leather, or may be covered with real leather, and padding is located behind the fabric or the layer of plastic so that the front face 7,8 of each of the extendable elements 5,6 forms a comfortable surface against which the occupant of the seat may rest his head.
Turning now to Figures 3 and 4 , the front face 2 of the head-rest 1 is illustrated and comprises, as mentioned above, either fabric or a layer of a plastic material, or a layer of leather.
Contained within the head-rest is a support element 10, in the form of a hollow tubular housing, which extends transversely of the head-rest. The support element 10 has a front, substantially vertical wall 11. The front wall 11 is a rigid wall having an outwardly curving form, and is separated from the front face 2 of the head-rest by padding.
The support element 10 has a rear vertical wall 12. The rear wall 12 is located at the rear part of the headrest 1 and is covered by a region 13 of the fabric or layer of plastic, or layer of leather, that form the front face 2 of the head-rest. The support element 10 also includes a lower wall 14 which inter-connects the front wall 11 and the rear wall 12, and an upper wall 15 which also inter-connects the front wall 11 and the rear wall 12. The lower wall 14 has defined therein two arcuate grooves, 16,17, located at respective opposed ends of the support element 10 and extending generally axially of the support element. The arcuate grooves are symmetrically arranged, and lie on a common arc. The upper wall 15 also has to arcuate grooves formed therein, only one of which, 18, is visible in Figure 3. The arcuate grooves in the upper wall 15 overlie the arcuate grooves 16,17 in the lower wall.
The arcuate grooves, as described above, define rails which support the extendable elements 6 and 7.
As can be seen most clearly in Figures 4A and 4B, each of the extendable elements 5 and 6 comprise an inner metal core 20. The inner metal core defines a vertical arcuate plate 21. The radius of curvature of the arcuate plate is the same as the radius of curvature of the arcuate grooves. The upper and lower edges of the arcuate plate 21 are received within the arcuate grooves 16,17,18, so that each metal core 20 may slide along the rail defined by the grooves .
Each metal core also defines an axially extending end piece 23 which extends axially of the seat to which the head-rest is fitted and substantially transversely to the arcuate plate 21. The metal core is provided with an outer covering 24 formed of fabric or a layer of plastic which may simulate leather, or a layer of real leather. The outer covering 24 lies adjacent the rear surface of the arcuate plate 21 and then passes adjacent to the exterior of the end piece 23. The fabric or layer of plastic or layer of leather 24 then extends in front of the metal core 20 and is separated therefrom by means of padding 25. This part of the fabric or layer of plastic or layer of leather thus provides an upholstered front face 7,8 for the extendable elements.
The extendable elements are moved from the retracted position as shown in Figure 1 and Figure 4A, by manually grasping the exposed end parts of the extendable elements and applying an appropriate force, causing the elements to slide, in an arcuate manner, along the rails defined by the arcuate recesses 16,17,18. As can be seen from Figure 4B, when the extendable elements are in the extended position, each element presents a relatively comfortable upholstered front face 7,8, which effectively forms a forwardly and laterally extending projection of the front face 2 of the head-rest. Thus, the head-rest provides a substantial degree of comfort to a person who wishes to use the head-rest as a support for the head whilst sleeping.
The extendable elements may be mechanically interconnected, so that when one of the elements is grasped and moved, the other element simultaneously executes an eguivalent movement. Means, such as a motor driving pinions which engages rocks carried by each extendable element, to drive the extendable elements between the extended and retracted positions.

Claims

CLAIMS :
1. A head-rest for a motor vehicle seat, the head-rest defining a front face adapted to support the head of an occupant of the seat, and side parts located on either side of the front face, the head-rest having two extendable elements, each adapted to move from a retracted position to an extending position, the extendable elements being adapted to move, with a sliding motion, from the retracted position through the side parts of the head-rest to an extended position in which the elements extend laterally relative to the head-rest and forwardly relatively to the head-rest.
2. A head-rest according to Claim 1 wherein each extendable element comprises means adapted to engage a rail defined within the head-rest, each element being movable in a slidable manner along the rail.
3. A head-rest according to Claim 2 wherein the rail is of arcuate form.
4. A head-rest according to Claim 3 wherein the rail comprises two opposed arcuate recesses, and each movable element has an arcuate plate, the opposed edges of which are received within the opposed recesses.
5. A head-rest according to Claim 4 wherein the recesses are formed in the upper and lower walls of a substantially hollow tubular housing that extends transversely of the head-rest.
6. A head-rest according to any one of the preceding Claims wherein the front face of each extendable element is upholstered.
PCT/SE1997/001611 1996-09-24 1997-09-24 Improvements in or relating to a head-rest WO1998013228A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19782021T DE19782021T1 (en) 1996-09-24 1997-09-24 Improvements to or in relation to a headrest
US09/147,966 US6120099A (en) 1996-09-24 1997-09-24 Head-rest

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9619860A GB2317333B (en) 1996-09-24 1996-09-24 Improvements in or relating to a head-rest
GB9619860.1 1996-09-24

Publications (1)

Publication Number Publication Date
WO1998013228A1 true WO1998013228A1 (en) 1998-04-02

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Application Number Title Priority Date Filing Date
PCT/SE1997/001611 WO1998013228A1 (en) 1996-09-24 1997-09-24 Improvements in or relating to a head-rest

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DE (1) DE19782021T1 (en)
GB (1) GB2317333B (en)
WO (1) WO1998013228A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007287A1 (en) * 1999-07-26 2001-02-01 Luc Morin Double-face reversible headrest
EP1106427A1 (en) 1999-12-06 2001-06-13 Luc Morin Retractable temple-rest for passenger seat
DE10321274A1 (en) * 2003-05-13 2004-06-09 Daimlerchrysler Ag Headrest for motor vehicles has a support part and a cheek part allocated to the support part and fitted with an adjusting element
FR2884774A1 (en) 2005-04-21 2006-10-27 Faurecia Sieges Automobile Head-rest for motor vehicle seat, has mobile part projecting laterally on respective sides of fixed part and maintaining laterally user head on sides, in respective deployed positions, where two sides are arranged opposite to each other
FR2929186A1 (en) * 2008-03-27 2009-10-02 Peugeot Citroen Automobiles Sa Sliding support controlling device for headrest of seat of motor vehicle, has block integrated to armature having median part extended by metal rods, and including spring expanded to escape pin to exterior of groove and release support
FR2929185A1 (en) * 2008-03-27 2009-10-02 Peugeot Citroen Automobiles Sa Dual control device for controlling locking and unlocking of sliding support of seat of motor vehicle, has pins cooperating with immobilization stops to lock or vice versa to return support from deployed position to retracted position
FR2932429A1 (en) * 2008-06-13 2009-12-18 Peugeot Citroen Automobiles Sa Headrest for seat of motor vehicle, has sliding support including frontal support band connected with stiffening frame that is shifted from both sides of band along depth and towards rear of central part
CN111497703A (en) * 2019-01-30 2020-08-07 丰田纺织株式会社 Chair (Ref. now to FIGS)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324030A (en) * 1997-04-12 1998-10-14 Mark Alan Napper Headrest with pivoting part
FR2885853B1 (en) 2005-05-23 2007-06-22 Renault Sas AUTOMOTIVE VEHICLE SEAT HEADREST HAVING A RETRACTABLE SIDE SUPPORT
US20080185894A1 (en) * 2006-10-05 2008-08-07 Lear Corporation Movable head restraint for improved vision
FR2927855B1 (en) * 2008-02-26 2010-03-19 Peugeot Citroen Automobiles Sa SLIDING SUPPORT FOR A SEAT FOR A MOTOR VEHICLE SEAT.
FR2935113B1 (en) * 2008-08-25 2011-02-25 Peugeot Citroen Automobiles Sa LATERAL HEADREST FOR PASSENGER TRANSPORT VEHICLE SEAT.
GB2472836A (en) 2009-08-20 2011-02-23 Virgin Atlantic Airways Ltd Headrest
DE102012112863B3 (en) * 2012-12-21 2014-01-16 Faurecia Autositze Gmbh Headrest for motor vehicle seat, has housing with guide rail and support unit connected to cushion portion is arranged in guide rail in moveable manner, where support unit is adjusted by gear wheels guided by shaft
DE102014214450A1 (en) * 2014-07-23 2016-01-28 Volkswagen Aktiengesellschaft Headrest and vehicle seat with a headrest
CN104192032B (en) * 2014-09-24 2016-08-10 上海华迎汽车零部件有限公司 A kind of automotive headrest
CZ2020120A3 (en) * 2020-03-09 2021-09-22 Centrum dopravního výzkumu, v. v. i. Headrest with expansion mechanism

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US4205878A (en) * 1978-08-02 1980-06-03 Wooten James D Pull out headrest
DE3039934C2 (en) * 1980-10-23 1983-11-03 Audi Nsu Auto Union Ag, 7107 Neckarsulm Headrest for automobile seats
EP0470051A1 (en) * 1990-07-30 1992-02-05 Aviointeriors S.R.L. Swinging vertically headrest for an armchair
GB2302268A (en) * 1995-06-14 1997-01-15 Autoliv Dev Head rest with lateral restraint

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US4042791A (en) * 1975-02-27 1977-08-16 Murriel L. Wiseman Stereophonic head rest
US4440443A (en) * 1981-04-10 1984-04-03 Nordskog Robert A Headrest

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205878A (en) * 1978-08-02 1980-06-03 Wooten James D Pull out headrest
DE3039934C2 (en) * 1980-10-23 1983-11-03 Audi Nsu Auto Union Ag, 7107 Neckarsulm Headrest for automobile seats
EP0470051A1 (en) * 1990-07-30 1992-02-05 Aviointeriors S.R.L. Swinging vertically headrest for an armchair
GB2302268A (en) * 1995-06-14 1997-01-15 Autoliv Dev Head rest with lateral restraint

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001007287A1 (en) * 1999-07-26 2001-02-01 Luc Morin Double-face reversible headrest
FR2796898A1 (en) 1999-07-26 2001-02-02 Luc Raymond Marie Morin REVERSIBLE HEADREST FOR PASSENGER SEAT
EP1106427A1 (en) 1999-12-06 2001-06-13 Luc Morin Retractable temple-rest for passenger seat
DE10321274A1 (en) * 2003-05-13 2004-06-09 Daimlerchrysler Ag Headrest for motor vehicles has a support part and a cheek part allocated to the support part and fitted with an adjusting element
FR2884774A1 (en) 2005-04-21 2006-10-27 Faurecia Sieges Automobile Head-rest for motor vehicle seat, has mobile part projecting laterally on respective sides of fixed part and maintaining laterally user head on sides, in respective deployed positions, where two sides are arranged opposite to each other
FR2929186A1 (en) * 2008-03-27 2009-10-02 Peugeot Citroen Automobiles Sa Sliding support controlling device for headrest of seat of motor vehicle, has block integrated to armature having median part extended by metal rods, and including spring expanded to escape pin to exterior of groove and release support
FR2929185A1 (en) * 2008-03-27 2009-10-02 Peugeot Citroen Automobiles Sa Dual control device for controlling locking and unlocking of sliding support of seat of motor vehicle, has pins cooperating with immobilization stops to lock or vice versa to return support from deployed position to retracted position
FR2932429A1 (en) * 2008-06-13 2009-12-18 Peugeot Citroen Automobiles Sa Headrest for seat of motor vehicle, has sliding support including frontal support band connected with stiffening frame that is shifted from both sides of band along depth and towards rear of central part
CN111497703A (en) * 2019-01-30 2020-08-07 丰田纺织株式会社 Chair (Ref. now to FIGS)

Also Published As

Publication number Publication date
DE19782021T1 (en) 1999-09-30
GB2317333B (en) 2000-03-15
GB2317333A (en) 1998-03-25
GB9619860D0 (en) 1996-11-06

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