Safety belt retractor with tightening means

Details Safety belt retractor with tightening means Safety belt retractor with tightening means

1988-05-06

1990-05-15

Hail, III, Joseph J.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

280806, B60R 2234, B65H 7548

Patent

active

049251236

ABSTRACT:
A safety belt retractor is associated with a belt retightener which comprises a coupling mechanism provided between a pulley and the belt spool of the retractor. After a tightening operation the belt spool is disengaged from the pulley. The coupling mechanism consists of a clamping roller mechanism and a coupling pawl functionally in series therewith to combine the fast and reliable response of the clamping roller mechanism with the easy releasability of the coupling pawl.

REFERENCES:
patent: 4372501 (1983-02-01), Inukai
patent: 4423846 (1984-01-01), Fohl
patent: 4445648 (1984-05-01), Bloch
patent: 4455000 (1984-06-01), Nilsson
patent: 4558832 (1985-12-01), Nilsson
patent: 4618108 (1986-10-01), Butenop et al.
patent: 4750685 (1988-06-01), Frei
patent: 4750686 (1988-06-01), Fohl

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