Seat belt pretensioner

Details Seat belt pretensioner Seat belt pretensioner

2005-06-07

2005-06-07

Dunn, David R. (Department: 3616)

Land vehicles

Wheeled

Attachment

C297S480000

Reexamination Certificate

active

06902195

ABSTRACT:
A seat belt pretensioner mechanism (40) includes a part (36) for attachment to the seat belt (20). A strap (50) is connected to the part (36). A piston (78) and piston rod (58) are movable in a first direction to move the strap (50) and the part (36) to tension the seat belt (20). A pivot connection (59, 62) between the piston rod (58) and the strap (50) causes the strap to move with the piston rod. A cam (70) pivots the strap (50) about the pivot connection (59, 62) and effects movement of the part (36) toward the piston rod (58) as the piston (78) and the piston rod move in the first direction.

REFERENCES:
patent: 4705296 (1987-11-01), Andersson et al.
patent: 4763924 (1988-08-01), Karlin et al.
patent: 4768809 (1988-09-01), Andersson et al.
patent: 5064220 (1991-11-01), Ogawa
patent: 5366245 (1994-11-01), Lane, Jr.
patent: 5671949 (1997-09-01), Bauer et al.
patent: 5984357 (1999-11-01), Yasuda et al.
patent: 6164700 (2000-12-01), Masuda et al.
patent: 6497456 (2002-12-01), Masuda et al.
patent: 10181527 (1998-07-01), None

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