DE4212091A1 - Lateral movement for car seat in crash - has lateral slides with securing catch released by side impact - Google Patents

Lateral movement for car seat in crash - has lateral slides with securing catch released by side impact

Info

Publication number
DE4212091A1
DE4212091A1 DE19924212091 DE4212091A DE4212091A1 DE 4212091 A1 DE4212091 A1 DE 4212091A1 DE 19924212091 DE19924212091 DE 19924212091 DE 4212091 A DE4212091 A DE 4212091A DE 4212091 A1 DE4212091 A1 DE 4212091A1
Authority
DE
Germany
Prior art keywords
tines
bolts
seat
lateral movement
lateral
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Withdrawn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
DE19924212091
Other languages
German (de)
Inventor
Martin Beisner
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 DE19924212091 priority Critical patent/DE4212091A1/en
Publication of DE4212091A1 publication Critical patent/DE4212091A1/en
Withdrawn legal-status Critical Current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
    • B60N2/02—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
    • B60N2/062—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 transversally 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
    • B60N2/24—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
    • B60N2/4235—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 transversal
    • 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
    • B60N2/42736—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the whole 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
    • B60N2/24—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
    • B60N2/42781—Seats or parts thereof displaced during a crash characterised by the triggering system mechanical triggering

Landscapes

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

Abstract

The car seat mounting includes a sliding facility with shaped guides, to move the upper part of the seat mounting sideways. The lateral movement is locked by a catch (3) released by a linkage and operated by the lateral impact. The lateral movement of the seat is not impeded by the transmission tunnel and does not affect the normal, longitudinal seat adjustment. The lateral locking catch is re-engaged when the seat is slid back. USE/ADVANTAGE - Reduced injury risk from side impacts, takes seat away from door crush zone.

Description

Die Erfindung betrifft eine Vorrichtung bei Personensitzen, insbesondere in Fahrzeugen, die eine Seitenbewegung der Personensitze in Falle eines Seitencrashs bewirkt.The invention relates to a device in person seats, in particular in vehicles, causes a lateral movement of the passenger seats in the event of a side crash.

Aufgrund der geringen Knautschzone von PKWs im Seiten- und Türbereich ist das Verletzungsrisiko für Insassen bei Seitencrashs sehr hoch. Bislang wird versucht dieses Verletzungsrisiko durch Türverstärkungen bzw. -verstrebungen zu verringern. Das Verletzungsrisiko durch eindringende Gegenstände kann jedoch durch den Einbau seitenbeweglicher Personensitze zusätzlich gemindert werden.This is due to the small crumple zone of cars in the side and door area Risk of injury for occupants in side crashes very high. So far this has been tried To reduce the risk of injury from door reinforcements or struts. The However, the risk of injury from penetrating objects can be caused by the installation sideways moving passenger seats are additionally reduced.

Aufgabe der Erfindung ist es, im Falle eines Seitencrashs die Personensitze und damit die Personen selbst aus dem Gefahrenbereich eindringender Gegenstände herauszubewegen und so das Verletzungsrisiko zu verringern.The object of the invention is, in the event of a side crash, the passenger seats and thus the To move people out of the danger area of objects and so to reduce the risk of injury.

Üblicherweise befindet sich in der Fahrzeugmitte in Längsrichtung ein durchgehender Kardantunnel der die Seitenverschiebung der Personensitze behindert. Um trotzdem ein Maximum an Seitenbewegung zu ermöglichen, sollten die Personensitze zum Fahrzeugboden hin konisch zulaufen und Aufbauten auf dem Kardantunnel minimiert werden. Weiterhin ist ein am Personensitz selbst installiertes Anschnallsystem für die Funktionalität der Erfindung förderlich.There is usually a continuous one in the center of the vehicle in the longitudinal direction Cardan tunnel that hinders the lateral displacement of the passenger seats. To anyway To allow maximum lateral movement, the passenger seats should face the vehicle floor taper towards the top and structures on the gimbal are minimized. Still is a seat belt system installed at the passenger seat itself for the functionality of the invention conducive.

Der Erfindungsgedanke läßt die verschiedensten konstruktiven Ausführungsmöglichkeiten zu, eine davon ist in der Zeichnung wiedergegeben, und zwar zeigtThe idea of the invention allows a wide variety of constructive design options, one of them is shown in the drawing and shows

Fig. 1 eine Gesamtansicht vor dem Seitencrash, Fig. 1 is an overall view of a side crash,

Fig. 2 eine Gesamtansicht nach dem Seitencrash, Fig. 2 is an overall view according to the side crash,

Fig. 3 eine schematische Darstellung der Querführung und des Bleches mit Eingriffsbohrungen in einer Draufsicht, Fig. 3 is a schematic illustration of the transverse guide and the sheet with engagement holes in a plan view,

Fig. 4 eine Rückhaltefeder, Fig. 4 is a retaining spring,

Fig. 5 einen Hebelmechanismus. Fig. 5 shows a lever mechanism.

Bei der in den Zeichnungen dargestellten Ausführung wurde die Querführung 1 durch U- Profile realisiert, in denen T-förmige Zapfen 2 gleitend gelagert sind. Der Personensitz selbst wurde an diesen Zapfen Z befestigt. Im normalen Betrieb wird die Seitenbeweglichkeit der Sitze durch einen Bolzen 3, der mit Hilfe einer Feder 6 in eine Bohrung 7 gedrückt wird, verhindert.In the embodiment shown in the drawings, the transverse guide 1 was realized by U-profiles, in which T-shaped pins 2 are slidably mounted. The passenger seat itself was attached to this pin Z. In normal operation, the lateral mobility of the seats is prevented by a bolt 3 , which is pressed into a bore 7 by means of a spring 6 .

Bei einem Seitencrash, der eine ausreichend große Deformation der Tür verursacht, wird der Bolzen 3 jedoch mit Hilfe eines Hebelmechanismusses 5 aus der Bohrung 7 gezogen und so eine Seitenbewegung des Sitzes auf der deformierten Seite ermöglicht.In the event of a side crash that causes the door to deform sufficiently, the bolt 3 is pulled out of the bore 7 with the aid of a lever mechanism 5 , thus allowing the seat to move sideways on the deformed side.

Claims (11)

1. Vorrichtung bei Personensitzen, insbesondere in Fahrzeugen, dadurch gekennzeichnet, daß sie eine seitliche Bewegung des Personensitzes bei Seitencrashs ermöglicht.1. Device for passenger seats, especially in vehicles, characterized in that it enables lateral movement of the passenger seat in the event of side crashes. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kraft, die durch einen Seitencrash auf das Fahrzeug ausgeübt wird, ausgenutzt wird, eine Seitenbewegung des Personensitzes in Richtung Fahrzeuginnenraum auszulösen.2. Device according to claim 1, characterized in that the force caused by a Side crash is exercised on the vehicle, is exploited, a side movement of the Trigger person seat towards the vehicle interior. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß eine Querführung (1) eine Seitenbewegung des Personensitzes ermöglicht.3. Apparatus according to claim 1, characterized in that a transverse guide ( 1 ) enables lateral movement of the passenger seat. 4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Fahrzeugsitz über Zapfen (2) od. dgl. in einer Querführung (1) gelagert ist.4. The device according to claim 1, characterized in that the vehicle seat via pin ( 2 ) or the like. In a transverse guide ( 1 ) is mounted. 5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß ein oder mehrere Bolzen, Zinken (3) od. dgl. in Aussparungen (4) greifen und so die Seitenbewegung im normalen Betrieb verhindern.5. The device according to claim 1, characterized in that one or more bolts, tines ( 3 ) or the like. Grasp in recesses ( 4 ) and thus prevent the lateral movement in normal operation. 6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß im Falle eines Seitencrashs der oder die Bolzen, Zinken od. dgl. aus der Aussparung (4) gezogen oder gedrückt werden, so daß die Seitenbewegung des Personensitzes ermöglicht wird.6. The device according to claim 1, characterized in that in the event of a side crash or the bolts or tines or the like. From the recess ( 4 ) are pulled or pressed so that the lateral movement of the passenger seat is made possible. 7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kraft, die durch den Seitencrash auf das Fahrzeug ausgeübt wird, ausgenutzt wird, um den oder die Bolzen, Zinken (3) od. dgl. aus der Aussparung (4) zu ziehen oder zu drücken.7. The device according to claim 1, characterized in that the force which is exerted by the side crash on the vehicle is used to pull the or the bolts, tines ( 3 ) or the like. From the recess ( 4 ) or to press. 8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kraft, die durch den Seitencrash auf das Fahrzeug ausgeübt wird, über einen Hebel (5) an den oder die Bolzen, Zinken (3) od. dgl. weitergeleitet wird, um den oder die Bolzen, Zinken od. dgl. aus der entsprechenden Aussparung (4) zu ziehen oder zu drücken.8. The device according to claim 1, characterized in that the force which is exerted by the side crash on the vehicle via a lever ( 5 ) to the one or more bolts, tines ( 3 ) or the like. Is passed on to the or pull or push the bolts, tines or the like out of the corresponding recess ( 4 ). 9. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß eine Seitenbewegung der Personensitze im Normalbetrieb dadurch verhindert wird, daß die Bolzen, Zinken od. dgl. durch eine oder mehrere Federn (6) od. dgl. in die entsprechende Aussparung (4) gezogen oder gedrückt werden, so daß eine Mindestkraft, die größer ist als die Federkraft, erforderlich ist, um die Seitenverschiebung auszulösen.9. The device according to claim 1, characterized in that a lateral movement of the passenger seats in normal operation is prevented in that the bolts, tines or the like. By one or more springs ( 6 ) or the like. In the corresponding recess ( 4 ) or pressed so that a minimum force, which is greater than the spring force, is required to trigger the lateral displacement. 10. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Aussparungen, in die die Bolzen, Zinken (3) od. dgl. greifen, in einem Blech (8) od. dgl. als Eingriffskanten, Bohrungen (7) od. dgl. realisiert wurden.10. The device according to claim 1, characterized in that the recesses, in which the bolts, tines ( 3 ) or the like. Grip, in a sheet ( 8 ) or the like. As engagement edges, bores ( 7 ) or the like. were realized. 11. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Blech (8) od. dgl., in dem die Aussparungen (4) realisiert wurden, parallel zu den Querführungen (1), in denen der Personensitz gelagert ist, verläuft und so nach Auslösung der Seitenbewegung eine Rückbewegung mit erneutem Einrasten der Bolzen, Zinken (3) od. dgl. in die entsprechenden Aussparungen (4) möglich ist.11. The device according to claim 1, characterized in that the sheet ( 8 ) or the like. In which the recesses ( 4 ) were realized, runs parallel to the transverse guides ( 1 ) in which the person seat is mounted, and so after Triggering the side movement, a return movement with a renewed engagement of the bolts, tines ( 3 ) or the like in the corresponding recesses ( 4 ) is possible.
DE19924212091 1992-04-10 1992-04-10 Lateral movement for car seat in crash - has lateral slides with securing catch released by side impact Withdrawn DE4212091A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19924212091 DE4212091A1 (en) 1992-04-10 1992-04-10 Lateral movement for car seat in crash - has lateral slides with securing catch released by side impact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924212091 DE4212091A1 (en) 1992-04-10 1992-04-10 Lateral movement for car seat in crash - has lateral slides with securing catch released by side impact

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DE4212091A1 true DE4212091A1 (en) 1993-10-14

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516013A1 (en) * 1995-05-02 1996-05-23 Daimler Benz Ag Vehicle seat capable of transverse movement under side impact
EP1021320A1 (en) * 1997-09-24 2000-07-26 Rajasingham, Arjuna Indraeswaran Easy ejector seat and indo-skeletal crash safety beam
EP1099607A1 (en) * 1998-09-17 2001-05-16 Arjuna Indraeswaran Rajasingham Easy ejector with skeletal crash safety beam
US6592166B2 (en) * 2001-06-12 2003-07-15 Honda Giken Kogyo Kabushiki Kaisha Vehicle occupant side crash protection system
US6843504B2 (en) 2001-07-18 2005-01-18 Honda Giken Kogyo Kabushiki Kaisha Automotive vehicle occupant protection system
FR2878197A1 (en) * 2004-11-22 2006-05-26 France Design Sa Motor vehicle seat, has associating beam transmitting energy due to lateral impact from outer lateral support leg to inner lateral support leg that has triangular structure with cavities to be deformed and to absorb part of energy
US7255389B2 (en) * 1997-09-24 2007-08-14 Rajasingham Arjvna I Easy ejector seat with skeletal crash safety beam
US7387327B2 (en) 2005-06-24 2008-06-17 University Of Washington Structure and system for occupant protection in a side impact automobile collision and methods of use thereof
US7396065B2 (en) 2005-11-23 2008-07-08 Heuliez Automotive vehicle seat for absorbing side impact energy
DE102007048700A1 (en) 2007-10-11 2009-04-16 GM Global Technology Operations, Inc., Detroit Seat arrangement for a motor vehicle and motor vehicle with such a seat arrangement
DE102008012376A1 (en) 2008-03-03 2009-09-10 GM Global Technology Operations, Inc., Detroit Vehicle i.e. motor vehicle, seat substructure, has cross rail with cross bar, which is placed at distance from another cross bar under formation of free space in transverse direction between cross bars
FR3006280A1 (en) * 2013-06-03 2014-12-05 Peugeot Citroen Automobiles Sa AUTOMOTIVE VEHICLE BODY STRUCTURE SYSTEM COMPRISING LATERAL SHOCK DETECTION.
DE102014217811A1 (en) * 2014-09-05 2016-03-10 Volkswagen Aktiengesellschaft Vehicle seat assembly
DE102015215148A1 (en) 2015-08-07 2017-02-09 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle seat with impact protection and motor vehicle with such a motor vehicle seat
CN108248466A (en) * 2018-01-31 2018-07-06 长沙理工大学 Automobile ejection type safety seat system
CN111422156A (en) * 2020-03-01 2020-07-17 谢浩强 Vehicle safety
CN114312506A (en) * 2022-01-12 2022-04-12 厦门理工学院 Child seat moving system and method

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516013A1 (en) * 1995-05-02 1996-05-23 Daimler Benz Ag Vehicle seat capable of transverse movement under side impact
EP1021320A1 (en) * 1997-09-24 2000-07-26 Rajasingham, Arjuna Indraeswaran Easy ejector seat and indo-skeletal crash safety beam
EP1021320A4 (en) * 1997-09-24 2000-12-27 Arjuna Iwdraeswara Rajasingham Easy ejector seat and indo-skeletal crash safety beam
US6547315B1 (en) * 1997-09-24 2003-04-15 Arjuna Indraeswaran Rajasingham Easy ejector seat with skeletal crash safety beam
US6609749B1 (en) * 1997-09-24 2003-08-26 Arjuna Ihdraeswaran Rajasingham Easy ejector seat with skeletal crash safety beam
US7255389B2 (en) * 1997-09-24 2007-08-14 Rajasingham Arjvna I Easy ejector seat with skeletal crash safety beam
EP1099607A1 (en) * 1998-09-17 2001-05-16 Arjuna Indraeswaran Rajasingham Easy ejector with skeletal crash safety beam
US6592166B2 (en) * 2001-06-12 2003-07-15 Honda Giken Kogyo Kabushiki Kaisha Vehicle occupant side crash protection system
EP1266804A3 (en) * 2001-06-12 2003-09-03 Honda Giken Kogyo Kabushiki Kaisha Vehicle occupant side crash protection system
US6644723B2 (en) * 2001-06-12 2003-11-11 Honda Giken Kogyo Kabushiki Kaisha Vehicle occupant side crash protection system
US6843504B2 (en) 2001-07-18 2005-01-18 Honda Giken Kogyo Kabushiki Kaisha Automotive vehicle occupant protection system
FR2878197A1 (en) * 2004-11-22 2006-05-26 France Design Sa Motor vehicle seat, has associating beam transmitting energy due to lateral impact from outer lateral support leg to inner lateral support leg that has triangular structure with cavities to be deformed and to absorb part of energy
US7387327B2 (en) 2005-06-24 2008-06-17 University Of Washington Structure and system for occupant protection in a side impact automobile collision and methods of use thereof
US7396065B2 (en) 2005-11-23 2008-07-08 Heuliez Automotive vehicle seat for absorbing side impact energy
DE102007048700A1 (en) 2007-10-11 2009-04-16 GM Global Technology Operations, Inc., Detroit Seat arrangement for a motor vehicle and motor vehicle with such a seat arrangement
US8011713B2 (en) 2007-10-11 2011-09-06 GM Global Technology Operations LLC Seat arrangement for a motor vehicle and motor vehicle with such a seat arrangement
DE102008012376A1 (en) 2008-03-03 2009-09-10 GM Global Technology Operations, Inc., Detroit Vehicle i.e. motor vehicle, seat substructure, has cross rail with cross bar, which is placed at distance from another cross bar under formation of free space in transverse direction between cross bars
FR3006280A1 (en) * 2013-06-03 2014-12-05 Peugeot Citroen Automobiles Sa AUTOMOTIVE VEHICLE BODY STRUCTURE SYSTEM COMPRISING LATERAL SHOCK DETECTION.
WO2014195592A1 (en) * 2013-06-03 2014-12-11 Peugeot Citroen Automobiles Sa Motor vehicle body shell structure system comprising a side impact brace
DE102014217811A1 (en) * 2014-09-05 2016-03-10 Volkswagen Aktiengesellschaft Vehicle seat assembly
DE102014217811B4 (en) 2014-09-05 2021-11-04 Volkswagen Aktiengesellschaft Vehicle seating equipment
DE102015215148A1 (en) 2015-08-07 2017-02-09 Bayerische Motoren Werke Aktiengesellschaft Motor vehicle seat with impact protection and motor vehicle with such a motor vehicle seat
CN108248466A (en) * 2018-01-31 2018-07-06 长沙理工大学 Automobile ejection type safety seat system
CN111422156A (en) * 2020-03-01 2020-07-17 谢浩强 Vehicle safety
CN111422156B (en) * 2020-03-01 2024-04-16 谢浩强 Safety device for a vehicle with a detachable cabin
CN114312506A (en) * 2022-01-12 2022-04-12 厦门理工学院 Child seat moving system and method

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