Webbing retractor

Details Webbing retractor Webbing retractor

1984-11-09

1985-10-15

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074R, A62B 3500, B65H 7548

Patent

active

045469334

ABSTRACT:
A webbing retractor is provided with a first variable resistor detecting a moving amount of an inner end of a spiral spring biasing a webbing takeup shaft in a direction of webbing winding, a second variable resistor detecting a moving amount of an outer end of the spiral spring and a drive control unit controlling a motor to move the outer end of the spiral spring in the direction of webbing winding or in a direction of webbing unwinding in response to signals outputted from the first and the second variable resistors. Accordingly, a tension of a webbing can be made comfortable for an occupant of a vehicle.

REFERENCES:
patent: 4002219 (1977-01-01), Steinmann
patent: 4487381 (1984-12-01), Kubota

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