Seat belt buckle pretensioner with patterned frangible end cap

Details Seat belt buckle pretensioner with patterned frangible end cap Seat belt buckle pretensioner with patterned frangible end cap

1995-09-27

1996-10-15

Rice, Kenneth R.

Land vehicles

Wheeled

Attachment

B60R 2236

Patent

active

055647480

ABSTRACT:
An automotive seat belt pretensioner assembly is provided which includes a housing assembly (12) for receiving a cable (18) that is driven by a piston (16) toward an open end (54) of an actuator housing (24) in response to the operation of a pyrotechnic gas generating device (20). A plastic end cap (26) is provided for covering the housing end (54). The cap (26) includes a frangible end wall (54) for permitting passage of an end (46) of the cable (18). The frangible end wall(54) includes a pattern of reduced wall thickness (56).

REFERENCES:
patent: 4573322 (1986-03-01), Fohl
patent: 4917210 (1990-04-01), Danicek et al.
patent: 5118135 (1992-06-01), Yano
patent: 5207618 (1993-05-01), Nishizawa
patent: 5350194 (1994-09-01), Fohl
patent: 5366245 (1994-11-01), Lane
patent: 5403037 (1995-04-01), Fohl

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