Chairs and seats – Body or occupant restraint or confinement – Safety belt or harness; e.g. – lap belt or shoulder harness
Patent
1981-09-04
1984-02-07
McCall, James T.
Chairs and seats
Body or occupant restraint or confinement
Safety belt or harness; e.g., lap belt or shoulder harness
2421074A, 280807, 297480, B60R 2100
Patent
active
044299206
ABSTRACT:
A restraint belt retractor includes a belt reel rotatably mounted on a retractor housing which is adapted for mounting on the vehicle seat. A winding spring rotates the reel in a belt winding direction. The imposition of an occupant restraint load on the belt subsequent to reel lockup by an inertia actuated reel locking means actuates a belt clamping mechanism which clamps the belt to limit its extension from the reel. The retractor housing also mounts a rotatable anchor belt reel for winding and unwinding an anchor belt having an end mounted on the vehicle body rearward of the seat. A lock bar for locking the anchor belt reel is actuated to the locking condition in response to the actuation of the belt clamping mechanism to thereby fix the length of the transfer belt and anchor the retractor housing and seat against forward movement by the occupant restraint load. An inertia actuated weight may be associated with the lock bar to actuate lock bar independently of the actuation of the restraint belt clamping mechanism.
REFERENCES:
patent: 3323829 (1967-06-01), Liem
patent: 4109962 (1978-08-01), Magvar
patent: 4135683 (1979-01-01), Stephenson et al.
patent: 4164337 (1979-08-01), Blom
patent: 4264091 (1981-04-01), Lee
patent: 4344589 (1982-08-01), Rumpf
patent: 4349164 (1982-09-01), Naitoh
General Motors Corporation
Leahy Charles E.
McCall James T.
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