Seat belt retractor with pretensioner

Details Seat belt retractor with pretensioner Seat belt retractor with pretensioner

1997-03-17

1998-08-18

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

B60R 2246

Patent

active

057948763

ABSTRACT:
A rack can transmit a rotational torque in a webbing winding and tightening direction to a take-up spindle of a retractor via a pinion gear. In the event of a vehicular collision, this rack is pushed and driven by gas pressure. To rotate at an increased speed an outer clutch ring which can intermittently transmit a torque to the take-up spindle via a clutch mechanism, a speed-increasing gear unit is arranged between the pinion gear and the outer clutch ring.

REFERENCES:
patent: 3386683 (1968-06-01), Howland
patent: 4423846 (1984-01-01), Fohl
patent: 4434953 (1984-03-01), Gemar et al.
patent: 4508287 (1985-04-01), Nilsson
patent: 5313690 (1994-05-01), Hiramatsu et al.
patent: 5364168 (1994-11-01), Nishizawa et al.
patent: 5443222 (1995-08-01), Modinger et al.

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