EP0879156A1 - Einrichtung zur begrenzung der rückhaltekraft des insassen bei einem kraftfahrzeugsitz mit sicherheitsgurt - Google Patents
Einrichtung zur begrenzung der rückhaltekraft des insassen bei einem kraftfahrzeugsitz mit sicherheitsgurtInfo
- Publication number
- EP0879156A1 EP0879156A1 EP97905204A EP97905204A EP0879156A1 EP 0879156 A1 EP0879156 A1 EP 0879156A1 EP 97905204 A EP97905204 A EP 97905204A EP 97905204 A EP97905204 A EP 97905204A EP 0879156 A1 EP0879156 A1 EP 0879156A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- frame
- backrest
- flange
- arrangement 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- Withdrawn
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
- B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
-
- 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
- B60N2/4207—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 characterised by the direction of the g-forces
- B60N2/4214—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 characterised by the direction of the g-forces longitudinal
- B60N2/4221—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 characterised by the direction of the g-forces longitudinal due to impact coming from the front
-
- 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
- B60N2/4207—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 characterised by the direction of the g-forces
- B60N2/4214—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 characterised by the direction of the g-forces longitudinal
- B60N2/4228—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 characterised by the direction of the g-forces longitudinal due to impact coming from the rear
-
- 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
- B60N2/42745—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the back-rest
Definitions
- the invention relates to an arrangement of a device for limiting the retaining effort of a occupying in a motor vehicle seat wearing a seat belt, the anchor points of which are on board the seat, and one end of said belt being linked to the upper part of the back of said seat.
- a device for limiting the force linked to said seat belt is generally used.
- a force limiting device mounted on a seat belt enables the kinematics of the occupant to be controlled over a given distance following a sudden stop of the vehicle following a collision.
- the control of the kinematics allows the body of the occupant to continue slightly its race before its stop by the blocking of the seat belt and by the end of race of the device of limitation of the effort.
- Such force limiters are necessarily linked directly to the seat belt strap or to its retractor, which poses certain integration problems, in particular on a belt model having no direct connection with the vehicle body and being carried by a seat.
- the effort can be limited by moving the seat back.
- the seat back then accompanies the movement of the body over a certain amplitude thus allowing the absorption of part of the kinetic energy.
- the publication FR-A-2 101 292 proposes different solutions for integrating a force limiter, in particular between two elements of the seat which can have a relative displacement between them during a strong deceleration following a collision.
- the force limiter is produced in the form of a device for absorbing kinetic energy which can be used in traction.
- Such an absorption device requires a large stroke in order to obtain an advantageous limitation of the effort.
- a large displacement is not easily compatible with a limited angular travel of the seat back and with a minimal space requirement.
- the occupant risks striking certain elements of the vehicle, this being able to cause significant injuries to said occupant.
- the subject of the invention is an arrangement of a device for absorbing kinetic energy linked to the displacement of the backrest of a seat of a motor vehicle with respect to its seat, which allows in a space requirement reduced to obtain a good ratio between the energy absorbed and the displacement of said seat back.
- the force limitation device is located on each side of the seat, between the external lateral part of the back frame and the internal face of the lateral parts of the seat frame , at the articulation of said backrest and said seat.
- the device for limiting the force consists of a flange which cooperates with a device for adjusting the inclination of the backrest relative to the seat.
- lights are produced in the flange and cooperate with pins carried by the external lateral parts of the frame of the seat back. According to another characteristic of the invention, lights are produced in the flange and cooperate with pins carried by the internal lateral parts of the frame of the seat cushion.
- the flange carries pins which cooperate with lights produced in the lateral panies of the frame of the seat back.
- the flange carries pins which cooperate with lights made in the lateral parts of the frame of the seat cushion.
- FIG. 1 shows a perspective view of a seat arranged according to the invention.
- FIG. 2 shows a perspective view of an exploded view of the energy absorbing device.
- FIG. 3 shows an elevational view of the energy absorber.
- FIG. 4 shows an elevational view of the energy absorber during the phase of absorption of kinetic energy.
- FIG. 5 shows a perspective view of a seat provided with a force limiter according to another arrangement.
- FIG. 6 shows an elevational view of the energy absorber according to the second arrangement.
- FIG. 7 shows an elevational view of the energy absorber during the absorption phase of kinetic energy according to the second arrangement.
- the seat 1 has a backrest 2 articulated on a seat 3 by means of an angular adjustment device 4 known per se.
- the seat 3 is supported by slides 5 of longitudinal adjustment.
- the seat 1 carries a seat belt 10, the anchor points of which are linked to the seat.
- Two lower fixing points 11 and 12 are connected to a part 6 of the structure of the seat 3 in relation to the slides 5.
- the third anchoring point 13 of the seat belt 10 is carried by the upper part 20 of the backrest 2 of seat 1 or through another part of said seat 1, a passage for the seat belt strap 10 then being produced in said upper part 20 of said backrest 2.
- the seat 3 consists of a frame 20 whose side portions 31 are symmetrical and have a zone 32 cooperating with the device 4 for adjusting the inclination of the seat back 2 2.
- the parts lateral 31 of the seat frame 30 receive a control pin 33 in relation to the adjustment device 4 for the inclination of the backrest 2 of the seat 1.
- the adjustment device 4 comprises on each side of the seat 1, a means for transmitting movement in cooperation with a flange 7.
- a backrest frame 21 is pivotally mounted around the control axis 33 by means of bearings 22.
- Each lateral part 23 of the backrest frame 21 cooperates with a flange 7 interposed between the frame of the seat 30 and said back frame 21.
- Each of the flanges 7 is engaged with the transmission means of the device 4 for adjusting the inclination of the backrest 2.
- the flanges 7 are fixed to the backrest frame 21 by means of pins 24 allowing a connection in rotation between said flange 7 and said backrest frame 21.
- Each pin 24 cooperates with a light 25 whose width is less than the diameter of the pin 24 located in said light 25, except the housings
- Another possibility consists in making the adjustment device 4 for the inclination of the backrest 2 cooperate with the flanges 7 and the backrest frame 21. The movement due to the angular adjustment would then be carried out between the flanges 7 and the backrest frame 21, the frame of the seat 30 would be in connection with the flanges 7 by means of pins 24 and lights 25 as described above.
- the part supporting the pins 24 and the part in which the lights 25 are made can receive either said pins 24 and said lights 25.
- Figures 5 to 7 show a variant of the connection between the flanges 7 and the backrest frame 21.
- the flanges 7 being carrying a light 25 in relation to a pin 24.
- the pin 24 is supported by an end 27a d 'a connecting rod 27.
- the connecting rod 27 is pivotally mounted, about an axis 28 carried by the backrest frame 21, by one end 27b of said connecting rod
- the connecting rod 27 opposite to that carrying the pin 24.
- the connecting rod 27 has an orientation substantially tangent to the curvature of the light 25.
- the pin 24 comes into abutment at the end 29 of the light 25 and blocks the backrest 2 so that the occupant does not collide with an obstacle which can cause injury.
- the seat belt 10 then receives the energy not dissipated by the force limiting device.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9601933 | 1996-02-16 | ||
FR9601933A FR2744961B1 (fr) | 1996-02-16 | 1996-02-16 | Agencement d'un dispositif de limitation de l'effort de retenue d'un occupant dans un siege de vehicule automobile muni d'une ceinture de securite |
PCT/FR1997/000281 WO1997029923A1 (fr) | 1996-02-16 | 1997-02-14 | Agencement d'un dispositif de limitation de l'effort de retenue d'un occupant dans un siege de vehicule automobile muni d'une ceinture de securite |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0879156A1 true EP0879156A1 (de) | 1998-11-25 |
Family
ID=9489275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97905204A Withdrawn EP0879156A1 (de) | 1996-02-16 | 1997-02-14 | Einrichtung zur begrenzung der rückhaltekraft des insassen bei einem kraftfahrzeugsitz mit sicherheitsgurt |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0879156A1 (de) |
FR (1) | FR2744961B1 (de) |
WO (1) | WO1997029923A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19825701A1 (de) * | 1998-06-09 | 1999-12-16 | Volkswagen Ag | Fahrzeugsitz mit begrenzter Rückverlagerung von Sitzkomponenten unter Energieabsorption bei einem Heckaufprall |
US6554356B1 (en) | 1999-11-30 | 2003-04-29 | The C.E. White Co. | Shock absorbing vehicle seat frame |
US6409263B1 (en) * | 2000-01-18 | 2002-06-25 | Johnson Controls Technology Company | Dump latch with deformable lock |
IL152559A0 (en) * | 2002-09-04 | 2003-05-29 | Ar Kal Plastic Products Bet Ze | Seat back with shock absorber |
EP1398270B1 (de) * | 2002-09-11 | 2005-08-31 | Structural Design & Analysis S.A. en abrégé SD&A S.A. | Flugzeugsitz angepasst zur Anwendung von Dreipunkt-Sicherheitsgurten, einschliessend einer Energieabsorptionsvorrichtung |
JP2005186670A (ja) * | 2003-12-24 | 2005-07-14 | Delta Kogyo Co Ltd | 車両用シート |
DE102004032785A1 (de) * | 2004-07-06 | 2006-02-02 | Johnson Controls Gmbh | Sitz, insbesondere für ein Fahrzeug und Verfahren zur Instandsetzung eines Sitzes |
DE102005007428A1 (de) * | 2005-02-18 | 2006-08-31 | Volkswagen Ag | Fahrzeugsitz für ein Fahrzeug, insbesondere für ein Kraftfahrzeug |
DE102007056373A1 (de) * | 2007-11-22 | 2009-05-28 | Volkswagen Ag | Energieabbau in einem Fahrzeugsitz |
DE102008022120A1 (de) * | 2008-05-05 | 2009-11-12 | Audi Ag | Fahrzeugsitz |
DE102009057880A1 (de) * | 2009-12-11 | 2011-06-16 | Recaro Aircraft Seating Gmbh & Co. Kg | Sitzvorrichtung mit Energieabsorptionseinheit |
GB201019460D0 (en) * | 2010-11-17 | 2010-12-29 | Vital Seating & Systems Ltd | A seat for absorbing a force |
EP2674322A1 (de) * | 2012-06-11 | 2013-12-18 | Volvo Car Corporation | Fahrzeugsitz mit Passagierschutzfunktion |
DE102014217506A1 (de) | 2014-09-02 | 2016-03-03 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Deformationselement für einen Kraftfahrzeugsitz |
EP3034056B1 (de) * | 2014-12-18 | 2017-11-29 | Permobil AB | Sitzanordnung und elektrisch angetriebener Rollstuhl damit |
CN104709128B (zh) * | 2015-01-22 | 2017-03-15 | 上海延锋江森座椅有限公司 | 一种带有吸能结构的车辆座椅 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3578376A (en) * | 1968-09-20 | 1971-05-11 | Toyota Motor Co Ltd | Seat construction of a vehicle |
DE4020057C2 (de) * | 1990-06-23 | 1996-05-09 | Bayer Ag | Fahrzeugsitz |
GB2269986B (en) * | 1992-07-30 | 1997-03-19 | Flight Equip & Eng | Vehicle seats |
JPH06247198A (ja) * | 1993-02-24 | 1994-09-06 | Koito Ind Ltd | 傾斜ロック装置における衝撃エネルギー吸収機構 |
DE4407129C2 (de) * | 1994-03-04 | 1995-12-14 | Daimler Benz Ag | Vorrichtung zur Sicherstellung der Insassensicherheit |
-
1996
- 1996-02-16 FR FR9601933A patent/FR2744961B1/fr not_active Expired - Lifetime
-
1997
- 1997-02-14 WO PCT/FR1997/000281 patent/WO1997029923A1/fr not_active Application Discontinuation
- 1997-02-14 EP EP97905204A patent/EP0879156A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO9729923A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1997029923A1 (fr) | 1997-08-21 |
FR2744961B1 (fr) | 1998-03-20 |
FR2744961A1 (fr) | 1997-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19980803 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES GB IT |
|
17Q | First examination report despatched |
Effective date: 19981111 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19990910 |