Roller unit for winding-up safety belts for motor vehicles

Details Roller unit for winding-up safety belts for motor vehicles Roller unit for winding-up safety belts for motor vehicles

1979-11-23

1981-06-16

Jillions, John M.

Motor vehicles

With belt or harness for restraining occupant, and means...

2421074A, 280806, A62B 3502, B65H 7548

Patent

active

042732107

ABSTRACT:
A roller unit for winding up a safety belt for motor vehicles with a built-in device for blocking the pulling-out of the safety belt in response to certain movements or positions of the pertaining vehicle. The device includes a sensor with a magnetically attractable inertia body, e.g. a ball or a pendulum, which is operatively connected to a pawl. The pawl, when occupying a first position engages teeth operable to control a blocking disc, thereby initiating a blocking operation. Adjacent the inertia body there is provided an electromagnet for exerting a deflecting action upon the inertia body.

REFERENCES:
patent: 3240510 (1966-03-01), Spouge
patent: 4007802 (1977-02-01), de Rosa
patent: 4065071 (1977-12-01), Holmberg

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