Cable retraction system

Details Cable retraction system Cable retraction system

1994-07-20

1995-09-26

Huppert, Michael S.

Electricity: transmission to vehicles

Flexible extensions

Reels

248548, H02G 1102, F16M 1302

Patent

active

054535859

ABSTRACT:
A cable retraction system is described which includes a windup reel (16) and power springs (24, 26, 28) that urge the reel to turn and wind up a signal-carrying cable (20). An outer end (25) of each power spring is bent about 180.degree. to form a hook that projects through a slot (72) in a windup drum (36) of the reel. A screw (44) projects through a lug (38) at the end of a cable wire, through a hole (71) in the spring, and into a threaded insert (50) set in the windup drum. A stationary axle (30) at the center of the reel, comprises a dielectric body (71) and a plurality of conductors (73, 75, 77) embedded in the body, each conductor having an outer end (58, 60, 62) at the end of the body to connect to wires of a second cable, and each conductor having an inner end (74, 76, 78) lying at the periphery of the axle and attached to an inner end ( 32) of a spring.

REFERENCES:
patent: 1247672 (1917-11-01), Hallberg
patent: 2374457 (1945-04-01), Reeves
patent: 2374457 (1948-05-01), Karp et al.
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patent: 3483898 (1969-12-01), Tini
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patent: 3657491 (1972-04-01), Ryder et al.
patent: 3733478 (1973-05-01), Barker
patent: 3785464 (1974-01-01), Collins et al.
patent: 4350850 (1982-09-01), Kovacik et al.
patent: 4384688 (1983-05-01), Smith
patent: 4392661 (1983-07-01), Langenstein
patent: 4757955 (1988-07-01), Simmons

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