Inertia locked safety belt take-up reel

Details Inertia locked safety belt take-up reel Inertia locked safety belt take-up reel

1975-07-16

1977-11-15

Gilreath, Stanley H.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

040582728

ABSTRACT:
An inertia locking safety belt take-up reel comprises a U-shaped bracket and a rotatable reel including side ratchet wheels and journalled between the bracket side walls. A rockable cross piece including pawl projections is supported between the side walls for movement into engagement with the ratchet wheels and is spring biased out of engagement. A clutch wheel is rotatable with the reel and frictionally rotatably supports a cooperating clutch annulus, the two clutch members pivotally engaging a pawl so that their relative rotation attendant to a rapid acceleration of the reel swings the pawl into engagement with a second ratchet wheel to rock the latter, which in turn rocks the cross piece through an interconnecting crank arm, to lock the reel ratchet wheels by the associated pawls. An alarm control gear is driven by a pinion rotatable with the reel.

REFERENCES:
patent: 3446454 (1969-05-01), Kovacs et al.
patent: 3578260 (1971-05-01), Kell
patent: 3758044 (1973-09-01), Nilsson
patent: 3770225 (1973-11-01), Boblitz
patent: 3819126 (1974-06-01), Stoffel
patent: 3897024 (1975-07-01), Takada
patent: 3907227 (1975-09-01), Takada

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