Automatic roll-up device for safety belts

Details Automatic roll-up device for safety belts Automatic roll-up device for safety belts

1981-09-04

1983-09-13

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421073, A62B 3502, B65H 7548

Patent

active

044037520

ABSTRACT:
Automatic roll-up device for a safety belt having a winding shaft connected, on the one hand, to a roll-up spring and, on the other hand, to an automatic locking device and carrying a belt web winding roll, the roll-up device also having a belt brake located downstream of the winding shaft in direction of pull of the belt web, the belt brake being in the form of a movable clamping member partly looped around by the belt web and actuatable for clamping the belt web after release of the automatic locking device, the automatic roll-up device further including a braking roller displaceable in direction of the winding shaft, the belt web extending from the belt web winding roll to the braking roller and partly looped around the braking roller, the braking roller engaging with prestressing the belt-web winding roll at all varying diameters of the belt-web winding roll, the braking roller rotating counter for the belt web winding roll during movement of the belt web and, when elevated pulling force is applied to the belt web, being pressed against the belt web winding roll for clamping and locking the belt web winding roll.

REFERENCES:
patent: 3384415 (1968-05-01), Monroe
patent: 4327881 (1982-05-01), Fohl
patent: 4328933 (1982-05-01), Loose

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