Vehicle seat with a catch on one side and with a retaining...

Details Vehicle seat with a catch on one side and with a retaining... Vehicle seat with a catch on one side and with a retaining...

2005-06-07

2005-06-07

Brown, Peter R. (Department: 3636)

Chairs and seats

Crash seat

C297S216200, C297S344150, C248S421000, C296S068100

Reexamination Certificate

active

06902234

ABSTRACT:
The motor vehicle seat of a motor vehicle comprises an underframe and a seat carrier that is height-adjustably connected to the underframe through rear oscillating cranks. A catch device is directly assigned to one of the two rear oscillating cranks. A non-rotatable tie bar joins the two rear oscillating cranks so that they are parallel when the vehicle seat is subjected to normal load. A retaining device has a sector gear firmly connected to the other one of the two rear oscillating cranks. An engaging piece which is movably disposed on the seat carrier or on the underframe, is provided with teeth devised for engagement with the sector gear and is disengaged from the sector gear as long as the vehicle seat is subjected to normal load. When the associated motor vehicle is subjected to a crash load an actuator is activated and causes the engaging piece to move into positive mesh with the sector gear. It is activated both for a positive and for a negative acceleration of the vehicle seat in the event of an accident. The teeth of the sector gear are configured in such a manner that their flanks, which are located on either side thereof, are oriented substantially radially relative to the orientation of said sector gear so that, during an accident situation, the sector gear is locked in the two directions of rotation upon engagement of the engaging piece.

REFERENCES:
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patent: 6572065 (2003-06-01), Koga et al.
patent: 6733065 (2004-05-01), Schindler et al.
patent: 2002/0011746 (2002-01-01), Muhlberger et al.
patent: 10020923 (2001-12-01), None

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