Passive seat belt system

Details Passive seat belt system Passive seat belt system

1979-03-26

1980-08-19

Love, John J.

Land vehicles

Wheeled

Attachment

280803, 280807, B60R 2102

Patent

active

042180767

ABSTRACT:
A passive seat belt system includes a shoulder belt having the outboard end mounted on body above the door opening by a shoulder belt retractor and a lap belt having an outboard end mounted on the lower rear corner of the door by a lap belt retractor. The inboard ends of the lap and shoulder belts are joined to the outboard end of the control belt whose other end is mounted inboard the seat by a control belt retractor having a winding effort greater than the lap and shoulder belt retractors to draw the lap and shoulder belts inboard to restraining positions about the occupant. A carriage movable along a track extending above the door opening slidably engages the shoulder belt and has a normal rearward position adjacent the shoulder belt retractor to establish the shoulder belt in a diagonal restraining position. The carriage is moved forwardly when the door is opened to stow a substantial length of the shoulder belt along the roof so that the inboard ends of the shoulder belt and lap belt are moved substantially upwardly and forwardly away from the seat as permitted by unwinding of control belt from the control belt retractor. The shoulder belt retractor has an associated locking mechanism which locks the retractor against unwinding of the shoulder belt to fix the length of the shoulder belt whenever the carriage is moved forwardly so that the forward movement of the carriage will unwind control belt from the control belt retractor instead of unwinding shoulder belt from the shoulder belt retractor.

REFERENCES:
patent: 3770294 (1973-11-01), Hammer
patent: 3833239 (1974-09-01), Coehen
patent: 3856327 (1974-12-01), Otani
patent: 3889971 (1975-06-01), Kazaoka et al.
patent: 3915473 (1975-10-01), Lindblad

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