EP0844940A1 - Siege d'automobile - Google Patents

Siege d'automobile

Info

Publication number
EP0844940A1
EP0844940A1 EP97929181A EP97929181A EP0844940A1 EP 0844940 A1 EP0844940 A1 EP 0844940A1 EP 97929181 A EP97929181 A EP 97929181A EP 97929181 A EP97929181 A EP 97929181A EP 0844940 A1 EP0844940 A1 EP 0844940A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
side support
vehicle seat
seat
seat according
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.)
Withdrawn
Application number
EP97929181A
Other languages
German (de)
English (en)
Inventor
Hansjörg Walk
Peter Groche
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.)
Lear Corp
Original Assignee
Lear Corp
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 Lear Corp filed Critical Lear Corp
Publication of EP0844940A1 publication Critical patent/EP0844940A1/fr
Withdrawn legal-status Critical Current

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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
    • B60N2/42754—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the cushion
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42772—Seats or parts thereof displaced during a crash characterised by the triggering system
    • B60N2/4279—Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
    • 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
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest

Definitions

  • the invention relates to a motor vehicle seat with side supports of seat components which are arranged to be movable relative to one another and can be adjusted by means of an adjusting device. These form adjustable seat contours.
  • Adjustable shoulder supports are known in the area of the shoulder, which allow the shoulder area to be rotated about the vehicle's transverse axis.
  • the object of the invention is to create a motor vehicle seat which, depending on the respective movement and acceleration state, permits dynamic seat adjustment for the seat user and thus relieves the latter.
  • a motor vehicle seat with the features of claim 1 solves this problem.
  • the movement state of the vehicle can be detected by means of a detection device, which causes the adjusting device to control at least one side support via at least one actuator such that the seat user is automatically relieved in the event of lateral accelerations during the driving process
  • a detection device which causes the adjusting device to control at least one side support via at least one actuator such that the seat user is automatically relieved in the event of lateral accelerations during the driving process
  • Motor vehicle seat created which, depending on the lateral acceleration state, permits dynamic adaptation of the respective side support, in particular a shoulder contact surface of the seat user, and relieves the latter.
  • the contact area of the occupant shoulder can track the body and steering movement of the occupant when cornering, with additional support in the lower backrest area being possible in the event of lateral acceleration. Furthermore, it is possible to provide the driver with additional freedom of movement when cornering by turning away the shoulder rest on the side of the seat facing the center of curvature. Further advantageous embodiments of the motor vehicle seat according to the invention are the subject of the dependent claims.
  • the dynamic adjustment device described in more detail below is not only suitable for the backrest of a motor vehicle seat, but can also be used additionally or alternatively for the seat part or the headrest.
  • Fig.l is a front view of a backrest
  • FIG. 2 shows a section along the line II-II in FIG. 1;
  • FIG. 3 shows a section along the line III - III in FIG. 1;
  • Fig.4 shows a section along the line IV - IV in Fig.1.
  • a backrest 10 of a motor vehicle seat is shown in a schematic view from the front.
  • the backrest 10 can have a fixed or movable backrest area 12 in the center and a side support 14 on the edge side.
  • a detection device not shown, which has acceleration sensors and / or motion sensors, in particular for detecting the acceleration forces on the vehicle or the steering wheel angle and the vehicle speed, and which transmits its measurement data to an electronic evaluation and control unit which transmits the adjustment device device 16 causes, via individual actuators, such as a servomotor 1 8, to control at least one side support 14 such that the seat user is automatically relieved during the driving operation of the vehicle.
  • the side support 14 provided for this purpose as a function of the vehicle accelerations occurring and / or the size of the steering wheel lock, the side support in question being returned to an initial position by means of the adjusting device 16 or a spring accumulator, for example for the case that the state of motion of the vehicle is zero, ie the vehicle is stationary.
  • the adjusting device 16 shown below which is shown in detail, is not only suitable for use with backrests, but can accordingly also be used for the seat part or for headrests as an integrated component of the backrest or for headrests as an independent vehicle seat component. It is preferably provided that, in the event of a transverse acceleration in the respective direction of the curve, the adjusting device 16 controls at least the side support 14 of the backrest 10 which is located outside in the direction of the curve.
  • the shoulder system 22 can, as indicated in FIG. 1, by one to the upper end of the backrest 97/48571 PC17EP97 / 03092
  • pivot axis 26 can be rotatably arranged, the two pivot axes 26 meeting in an imaginary extension above the backrest 10 at an acute angle.
  • the surfaces of the shoulder system 22 facing the seat user are selected in terms of area such that they can act effectively on the shoulder contour.
  • the pivot axes 26 merge into axes of rotation 28, which run vertically when viewed in the direction of FIG.
  • the lower part 24 of the respective side support 14 is arranged rotatably about the respective axis of rotation 28.
  • all parts 20, 24 of the two side supports 14 are arranged so as to be pivotable about a common central pivot axis 30, whereby provision can be made, at least in part, for a corresponding one Embodiment to allow an adjustment movement with respect to the seat user via the pivot or rotation axes 26,28.
  • the swivel or rotation axes 26, 28 can become boundary lines which limit the swivel movement. Provision can be made to form the respective Schaulter system 22 in one piece, preferably in the manner of a triangle or a trapezoid.
  • the ratio of the largest to the smallest effective width of the side support 14 or the shoulder support 22 then takes on the value of at least 1 to 1.5, this width ratio being measured transversely to the longitudinal axis of the vehicle.
  • a servomotor 18 shown in FIG. 1 serves as the drive unit for each side support 14 and controls the lower 24 and the upper part 20 of each side support 14 synchronously via a drive gear designated as a whole as 32.
  • the drive gear 32 each has a drive shaft 34, of which only the central longitudinal axis is shown in principle in FIG. 1 and which, for the sake of simplicity, is only shown on the right in the direction of view of the respective illustration in FIGS. 1 ff.
  • the respective drive shaft 34 is driven via a corresponding gear, for example in the form of a gear transmission, by the associated electric servomotor 18. Counter-clockwise and counterclockwise drive directions are possible and provided. As FIGS. 2 and 3 show, the drive shaft 34 meshes with control gears 36, 38, which are each provided with two control cams 40, 42. With an arrangement of the drive gear 32, as shown in FIGS. 2 and 3, it is also possible, as explained below, to control both side supports 14 with only one drive unit in the form of the servomotor 1 8.
  • the upper control cam 40 is intended to cooperate with a first control bracket 44, whereas the second control bracket 46 is assigned to the lower control cam 42.
  • the two control brackets 44, 46 are penetrated jointly by the central pivot axis 30, the first control bracket 44 having recesses on opposite sides, into which the receptacles 48 engage for receiving a headrest, not shown. If the control gears 36, 38 are pivoted clockwise via the drive shaft 34, the control cam 40 pushes the first control bracket 44 from its position shown in FIG. 2 to a folded-up position as shown in FIG. 3.
  • a seat user will receive a support on the right side of the body if he or she makes a left turn with his vehicle.
  • the second control bracket 46 is appropriately controlled and presented via the lower control cam 42.
  • a resetting of the respective side support 14 can take place via the physical strength of the seat user in a casual contact with the seat cushion parts 50 or, as shown in FIG. 4, via a spring system 52 with tension springs 54 which are connected to one another via coupling rods 56 and on the back with the seat upholstery parts 50 to be delivered, in particular with the lower part 24 of the respective side cheek 14.
  • the lower parts 24 of the side support 14 can be arranged with their seat upholstery parts 50 towards the inside of the backrest 10 on shells 58 of the motor vehicle seat which, after the respective tension spring has been contracted 54 are moved back to their basic position from their left position, as viewed in the direction of FIG. 4, in which case an edge-free area of the shell 58 then engages in a receiving space 60 of the housing-like seat frame 62.
  • the motor vehicle seat With the motor vehicle seat according to the invention, it is possible to use the lateral supports effectively to keep the upper body in the driving position, particularly in the case of lateral accelerations. Care is taken to ensure that the forces acting on the body are absorbed as close as possible to the point of application of the force.
  • the support is shifted, as is the case with the known solutions, to more distant parts of the body, higher muscle and joint loads occur, which are avoided with the present solution.

Landscapes

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

Abstract

L'invention concerne un siège d'automobile comprenant des supports latéraux (14) d'éléments (12), disposés de manière à se déplacer les uns par rapport aux autres et réglables à l'aide d'un dispositif d'ajustement (16). Comme l'état de mouvement du véhicule peut être détecté à l'aide d'un dispositif de détection qui permet au dispositif d'ajustement (16) d'agir sur au moins un des supports latéraux (14) par l'intermédiaire d'au moins un actionneur (18), de manière qu'en cas d'accélérations transversales pendant la conduite, l'utilisateur du siège ne soit automatiquement exposé à des contraintes, il est prévu un siège d'automobile qui procure à son utilisateur, en fonction de chacun des états de mouvement, une adaptation dynamique du siège, tout en supprimant les contraintes.
EP97929181A 1996-06-20 1997-06-13 Siege d'automobile Withdrawn EP0844940A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624587 1996-06-20
DE19624587A DE19624587A1 (de) 1996-06-20 1996-06-20 Sitz
PCT/EP1997/003092 WO1997048571A1 (fr) 1996-06-20 1997-06-13 Siege d'automobile

Publications (1)

Publication Number Publication Date
EP0844940A1 true EP0844940A1 (fr) 1998-06-03

Family

ID=7797458

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97929181A Withdrawn EP0844940A1 (fr) 1996-06-20 1997-06-13 Siege d'automobile
EP97928197A Withdrawn EP0842061A1 (fr) 1996-06-20 1997-06-13 Siege d'automobile

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP97928197A Withdrawn EP0842061A1 (fr) 1996-06-20 1997-06-13 Siege d'automobile

Country Status (4)

Country Link
US (2) US5975633A (fr)
EP (2) EP0844940A1 (fr)
DE (1) DE19624587A1 (fr)
WO (2) WO1997048570A1 (fr)

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Also Published As

Publication number Publication date
DE19624587A1 (de) 1998-01-22
US5975633A (en) 1999-11-02
US5882060A (en) 1999-03-16
WO1997048570A1 (fr) 1997-12-24
EP0842061A1 (fr) 1998-05-20
WO1997048571A1 (fr) 1997-12-24

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