Land vehicles – Wheeled – Attachment
Reexamination Certificate
2005-01-18
2005-01-18
Ellis, Christopher P. (Department: 3651)
Land vehicles
Wheeled
Attachment
C280S801100
Reexamination Certificate
active
06843504
ABSTRACT:
An end of a seat belt is connected to an actuator that can selectively remove a slack from the seat belt. The actuator includes a main actuator unit, and a cushioning member for decelerating a movement of the moveable end of the seat belt following a certain initial travel of the moveable end. The main actuator unit includes a cylinder integrally attached to a part of the vehicle body, a piston member slidably received in the cylinder and connected to the moveable end, a pyrotechnic gas generator provided on one end of the cylinder, and an accumulator chamber defining a prescribed volume and communicating with an output end of the pyrotechnic gas generator. The main actuator unit produces an early rise in the vehicle occupant deceleration, and the cushioning member smoothly connects the time history of the vehicle occupant deceleration to a ride-down condition whereby the deceleration acting on the vehicle occupant is favorably spread over time, and the maximum level of the deceleration can be minimized. The accumulator chamber contributes to a favorable shaping of the time history of the vehicle occupant deceleration.
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Ellis Christopher P.
Honda Giken Kogyo Kabushiki Kaisha
MacPherson Kwok & Chen & Heid LLP
Sharma Rashmi
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