Seat belt tensioning device

Details Seat belt tensioning device Seat belt tensioning device

1981-02-02

1983-12-27

Bertsch, Richard A.

Land vehicles

Wheeled

Attachment

60636, 297480, B60R 2110

Patent

active

044226691

ABSTRACT:
A cylinder-piston type seat belt tensioning device comprises a broach pipe wherein a broach rod which is connected to a seat belt is disposed, a load limiting member connecting the broach rod to the piston, which is broken at a predetermined load, and locking means for locking the broach pipe in the cylinder when the load limiting member is broken. After the load limiting member is broken at a predetermined load, the broach rod returns while plastically deforming the broach pipe to absorb the kinetic energy of the occupant.

REFERENCES:
patent: 3528344 (1970-09-01), Rabenhorst
patent: 4008780 (1977-02-01), Benjler
patent: 4258934 (1981-03-01), Tsuge et al.
patent: 4262932 (1981-04-01), Motonami et al.
patent: 4291899 (1981-09-01), Muramoto

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