Seat belt system energy management device replacement indicator

Details Seat belt system energy management device replacement indicator Seat belt system energy management device replacement indicator

1997-03-03

1998-03-31

Ellis, Christopher P.

Land vehicles

Wheeled

Attachment

280808, 297470, B60R 2220

Patent

active

057329745

ABSTRACT:
A vehicle seat belt system (10) includes a length of seat belt webbing (14). An energy absorber (32) connected with the belt webbing (14) is actuatable in response to the tensile load on the belt webbing exceeding a predetermined load. The system (10) includes a D-ring (24) having a webbing opening (46) through which the belt webbing (14) extends. The D-ring (24) is supported for movement from a first position to a second position upon actuation of the energy absorber (32). A signalling mechanism (40, 72) is actuatable in response to movement of the D-ring (24) from the first position to the second position for providing a signal perceptible to the vehicle occupant and indicative of actuation of the energy absorber (32). In a preferred embodiment, the signalling mechanism (40, 72) includes an electric switch (40) which is actuated in response to movement of the D-ring (24) from the first position to the second position, and a lamp (72) which is energized in response to the actuation of the electric switch.

REFERENCES:
patent: 3482872 (1969-12-01), Chamberlin
patent: 3811702 (1974-05-01), Kurasawa et al.
patent: 3975258 (1976-08-01), Fox
patent: 4702492 (1987-10-01), Andres et al.
patent: 5069482 (1991-12-01), Fohl
patent: 5286058 (1994-02-01), Wier
patent: 5566978 (1996-10-01), Fleming et al.

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