Safety belt construction

Details Safety belt construction Safety belt construction

1974-05-23

1976-03-09

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B65H 7548

Patent

active

039427390

ABSTRACT:
A safety belt construction adapted for use as an automobile seat or shoulder belt providing normally desired freedom of movement to a wearer during normal driving with the belt snagged into a locked passenger retaining position upon a rapid change of speed or direction of the vehicle. A belt is wound on a spring biased rotatable drum, the spring tending to rotate the drum to wind the belt thereon. At relatively constant speed and direction, the belt may readily be unwound from the drum. However, upon a rapid change of direction or speed, ratchet teeth associated with the drum are engaged by a pawl preventing drum rotation and holding the belt tightly. The pawl is actuated to a drum locking position by a pendulum moving in response to rapid speed and direction changes.

REFERENCES:
patent: 3122338 (1964-02-01), Whittingham
patent: 3343765 (1967-09-01), Baker

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