Head-rest device for a vehicle seat
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United States of America Patent
Stats
-
May 20, 1986
Grant Date -
N/A
app pub date -
Mar 29, 1984
filing date -
Mar 29, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A head-rest device for a vehicle seat is disclosed in which a head-rest stay mounting a head-rest in its upper portion is supported in such a manner that it can be adjusted vertically with respect to a seat back by means of a lock mechanism provided in a head-rest holder. According to the lock mechanism of the invention, a torsion lock spring is fitted into the head-rest holder through which the head-rest stay is inserted and which is fixed to the seat back. The head-rest stay can be locked relative to the head-rest holder by means of the winding force of the torsion lock spring. An operator can be rotated to rewind the torsion lock spring so as to release such locking of the head-rest stay. Thus, it is possible to adjust the vertical position of the head-rest as required.
First Claim
Family
International Classification(s)
Cited Art Landscape
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