Uni-directional cord take-up device

Details Uni-directional cord take-up device Uni-directional cord take-up device

1996-02-12

1997-08-12

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

B65H 7548

Patent

active

056557264

ABSTRACT:
The invention is a dual reel cord take-up device for flat wire cable which has a generally semi-cylindrical upper and lower case half which snap together over a dual-purpose shaft to make two compartments. The first compartment is a cord take-up compartment which is divided in two by a slotted disk on the shaft in that compartment. Flat wire cable is wound on the shaft in both compartments, and extends through two apertures in the walls of the compartment. The cable in one aperture is fixed so it does not move in and out of the aperture. The wire cable in the second aperture is free to extend or retract through the aperture. In the second compartment is a flat coil spring fixed on its outside end to a generally cylindrical spring cup within said compartment, and fixed on its inside end to the dual-purpose shaft in that compartment. The spring cup is biased against rotation except to tighten the spring, so the shaft is continually under tension to rotate and retrieve the cable into the take-up compartment.

REFERENCES:
patent: 3657491 (1972-04-01), Ryder et al.
patent: 3854017 (1974-12-01), Crim
patent: 4733832 (1988-03-01), Napierski
patent: 4989805 (1991-02-01), Burke
patent: 5094396 (1992-03-01), Burke
patent: 5114091 (1992-05-01), Peterson et al.
patent: 5230481 (1993-07-01), Wheeler et al.
patent: 5332171 (1994-07-01), Steff

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