Seat belt apparatus for automobile

Details Seat belt apparatus for automobile Seat belt apparatus for automobile

1994-07-29

1996-04-16

Darling, John P.

Winding, tensioning, or guiding

Reeling device

With spring motor

2423831, B60R 22405

Patent

active

055074480

ABSTRACT:
A seat belt apparatus for an automobile includes a ratchet wheel and at least one pawl member for selectively braking a spool with respect to one direction of its rotation. The pawl member operates to perform the emergency locking and excessive-loosening preventing functions with respective to a belt. To precisely control the time for emergency stop of belt, the apparatus contains a fly wheel mass having a plurality of holes, and a web sensing spring one end of which is fixed to one of the holes. Further, to control the effective length of the belt, the apparatus includes cam protrusions, a cam gear and a cam plate which overlap to enable the distance control of the cam protrusions.

REFERENCES:
patent: 4573646 (1986-03-01), Willey
patent: 4583701 (1986-04-01), Matsui et al.
patent: 4726539 (1988-02-01), Schmidt et al.
patent: 4928902 (1990-05-01), Tsuji
patent: 5014926 (1991-05-01), Rumpf et al.
patent: 5232177 (1993-08-01), Hibata
patent: 5232178 (1993-08-01), Hirata et al.

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