Belt pretensioner for vehicle safety belt systems

Details Belt pretensioner for vehicle safety belt systems Belt pretensioner for vehicle safety belt systems

1993-03-30

1994-09-13

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

280806, B60R 2246

Patent

active

053461525

ABSTRACT:
A belt pretensioner for a safety belt system including a belt retractor (10) fitted with an automatic locking system, and a deflection fitting (12), from which the belt (14) extends in a straight line to the belt retractor (10), comprises a U-like frame (18) and a bracket (22), which in a neutral position is held perpendicularly to the path of the belt. The belt (14) is freely passed between a deflection member (20), which connects the side walls of the frame (18) and a roll (30) mounted for free rotation in the bracket (22). When the belt pretensioner is tripped, the bracket (22) is pulled though between the base of the frame (18) and the deflection member (20) in order to form a loop of belt webbing.

REFERENCES:
patent: 3879054 (1975-04-01), Lindblad
patent: 4023427 (1977-05-01), Beier
patent: 4615540 (1986-10-01), Sedlmayr et al.
patent: 4647071 (1987-03-01), Tabata
patent: 4750759 (1988-06-01), Escaravage

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