Secondary locking mechanism for retractor with pretensioner

Details Secondary locking mechanism for retractor with pretensioner Secondary locking mechanism for retractor with pretensioner

1994-12-21

1996-06-25

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

B60R 2246

Patent

active

055292585

ABSTRACT:
A safety device comprising: a retractor (22) for protracting and rewinding a safety belt to be worn about an occupant, having a lock wheel (42) and an associated lock pawl (74) movable into engagement therewith upon sensing an emergency condition by a sensing mechanism (50); a pretensioner for rotating the spool in a belt winding direction and a rotary element (80) for converting pretensioner motion to rotary motion and a spring loaded mechanism for providing for locking readiness of the lock pawl and operable after activation of and during rotation of the spool in the belt winding direction. Each of the frame sides includes a positioning hole or opening 70a and 70b through which the tie bar 72 of the present invention extends. If the retractor uses two lock wheels, two such lock pawls would be used.

REFERENCES:
patent: 3970266 (1976-07-01), Doin et al.
patent: 4455000 (1984-06-01), Nilsson

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