Safety belt emergency locking retractor

Details Safety belt emergency locking retractor Safety belt emergency locking retractor

1985-03-11

1986-08-26

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B60R 2240

Patent

active

046078053

ABSTRACT:
An emergency locking retractor for a vehicle safety belt has a spool rotatably mounted on a frame, primary locking means arranged to block rotation of the spool relative to the frame and secondary locking means for actuating the primary locking means. The secondary locking means including an inertia sensor and a pawl pivotally mounted on a carrier which is movable relative to the frame, the pawl being movable by the inertia sensor into simultaneous engagement with a stop member on the carrier and a ratchet wheel coupled to the spool so that subsequent rotation of the spool of the belt protraction direction causes movement of the carrier which in turn actuates the primary locking means. The stop member is so positioned relative to the pivotal mounting thereof that the pawl comes into abutment with the stop member before its pawl tip abuts against the periphery of the ratchet wheel between adjacent teeth thereof.

REFERENCES:
patent: 3348789 (1967-10-01), Hirsch
patent: 4083511 (1978-04-01), Ikesue
patent: 4522350 (1985-06-01), Ernst

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