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1. US20060226686 - Spinal protection system for automotive seat

Office United States of America
Application Number 11376758
Application Date 15.03.2006
Publication Number 20060226686
Publication Date 12.10.2006
Publication Kind A1
IPC
B60N 2/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
2Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
02the seat or part thereof being movable, e.g. adjustable
Applicants YU SHIHONG
GORMAN PATRICK J
WARSINSKE CHERYL L
Inventors Yu Shihong
Gorman Patrick J.
Warsinske Cheryl L.
Agents HARNESS, DICKEY &; PIERCE, P.L.C.
Priority Data 11376758 15.03.2006 US
60664126 22.03.2005 US
Title
(EN) Spinal protection system for automotive seat
Abstract
(EN)

An energy absorption assembly for a seat assembly having a seatback including a first frame and a second frame includes a housing, a torsion bar rotatably supported by the housing in a first rotational direction and in a second rotational direction, and a clutch assembly engaged with the torsion bar. Engagement between the clutch assembly and the torsion bar permits rotation of the torsion bar relative to the housing in one of the first direction and the second direction to permit movement of the second frame relative to the first frame and restricts rotation of the torsion bar relative to the housing in the other of the first direction and the second direction to restrict movement of the second frame relative to the first frame. Restricting rotation of the torsion bar relative to the housing absorbs energy associated with movement of the second frame relative to the first frame.

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