Vehicle seat support with incorporated device for damping longitudinal acceleration
First Claim
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1. Vehicle seat support comprising:
- an upper chassis intended to receive a seat, support means for mounting said upper chassis on a vehicle, said upper chassis being longitudinally movable with respect to said support means, means for elastic damping of said upper chassis in the longitudinal direction, and means for fixing the mean longitudinal position of said upper chassis in relation to said support means;
said elastic damping means being constituted by a first rigid element which is fixed in the longitudinal direction with one of the two structure elements constituted by said upper chassis and said support means, two second rigid element fixed in the longitudinal direction with the other of said two structure elements, said first rigid element being situated between said two second rigid elements, two elastic elements interposed between said first rigid element and said two second rigid elements respectively;
said means for fixing the mean longitudinal position of said upper chassis in relation to said support means comprising a longitudinal toothed rack fixed with said upper chassis, and side pieces fastened with one of said rigid elements of said elastic damping means and engageable with said toothed rack to effect a longitudinal connection between said upper chassis and said support means through the intermediary of said elastic damping means.
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Abstract
The support comprises means for elastic longitudinal positioning of the upper chassis carrying the seat, constituted by a first rigid element (51) which is fixed in the horizontal direction with a lower chassis for fixing on the vehicle and which is situated between two further rigid elements (42A, 42B) fixed in the horizontal direction with an upper chassis (2) carrying the seat, while two opposed elastic elements (52, 53) are interposed respectively between the said first rigid element and the two other rigid elements.
52 Citations
11 Claims
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1. Vehicle seat support comprising:
- an upper chassis intended to receive a seat, support means for mounting said upper chassis on a vehicle, said upper chassis being longitudinally movable with respect to said support means, means for elastic damping of said upper chassis in the longitudinal direction, and means for fixing the mean longitudinal position of said upper chassis in relation to said support means;
said elastic damping means being constituted by a first rigid element which is fixed in the longitudinal direction with one of the two structure elements constituted by said upper chassis and said support means, two second rigid element fixed in the longitudinal direction with the other of said two structure elements, said first rigid element being situated between said two second rigid elements, two elastic elements interposed between said first rigid element and said two second rigid elements respectively;
said means for fixing the mean longitudinal position of said upper chassis in relation to said support means comprising a longitudinal toothed rack fixed with said upper chassis, and side pieces fastened with one of said rigid elements of said elastic damping means and engageable with said toothed rack to effect a longitudinal connection between said upper chassis and said support means through the intermediary of said elastic damping means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- an upper chassis intended to receive a seat, support means for mounting said upper chassis on a vehicle, said upper chassis being longitudinally movable with respect to said support means, means for elastic damping of said upper chassis in the longitudinal direction, and means for fixing the mean longitudinal position of said upper chassis in relation to said support means;
Specification