Vehicle sensing inertia reel lockup inhibitors

Details Vehicle sensing inertia reel lockup inhibitors Vehicle sensing inertia reel lockup inhibitors

1978-01-25

1980-01-01

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Attachment

2421074A, 280803, 297469, 297478, B60R 2110

Patent

active

041813260

ABSTRACT:
An inhibitor intended for the prevention of early reel lock-up during door opening for passive vehicle safety belt systems incorporating door-mounted reels. In such systems where a high inertia mass moves a pawl into engagement with the take-up reel during emergency conditions thereby allowing freedom of occupant movement during other periods of time, biasing means are provided for resisting the movement of the high inertia mass/pawl combination when the vehicle door is in the process of being opened and closed. Embodiments disclosed include the use of a selectively activatable electromagnet, a movable permanent magnet, gravitational biasing of the pawl, spring biasing of the pawl, and spring biasing of the high inertia mass.

REFERENCES:
patent: 3771814 (1973-11-01), Hahn
patent: 3993328 (1976-11-01), Henderson et al.
patent: 4007802 (1977-02-01), de Rosa
patent: 4040645 (1977-08-01), Giffen et al.

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