Dual-mode inertia reel system

Details Dual-mode inertia reel system Dual-mode inertia reel system

1988-03-30

1990-05-15

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, B60R 2238, B60R 2240

Patent

active

049251244

ABSTRACT:
An inertia responsive mechanism employs a freely mounted inertia mass in combination with a seat belt retractor mechanism wherein the inertia mass is sensitive to vehicle deceleration or to strap acceleration, or to both. Disclosed are a variety of arrangements for supporting an inertia mass in a manner to permit free movement of the mass including balls and recesses, conical post ends in holes, frusto-conical surfaces on tube ends and frusto-conical surfaces in combination with balls in grooves. Anti-lock mechanisms prevent inertial locking while the strap is retracting. In a compact inertia reel arrangement, a reel ratchet wheel directly supports the inertia mass. Also disclosed are mechanisms for manually resetting inertia reels.

REFERENCES:
patent: 2245987 (1941-06-01), Lambert
patent: 2827994 (1958-03-01), Tiedeman et al.
patent: 3100609 (1963-08-01), Wrighton
patent: 3240510 (1966-03-01), Spouge
patent: 3435920 (1969-04-01), Klaue
patent: 4109881 (1978-08-01), Fohl
patent: 4118996 (1978-10-01), Eichinger
patent: 4515326 (1985-05-01), Karlsson
patent: 4589296 (1986-05-01), Sato et al.

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