Electricity: transmission to vehicles – Flexible extensions – Reels
Patent
1982-09-22
1985-02-12
Scherbel, David A.
Electricity: transmission to vehicles
Flexible extensions
Reels
242107, H02G 1102, B65H 7548
Patent
active
044993412
ABSTRACT:
An extensible electrical cable assembly for use in mechanisms requiring repeated reciprocal movements is disclosed. The assembly is comprised of a static housing and resiliently stressable flat cable, the cable being wrapped in a coil around a hub in the housing. The cable has a first and second ends with electrical connectors thereon, and an intermediate portion, the first end being at the outer end of the coil and the second end being at the inner end of the coil. The cable is extensible upon movement of the first end of the cable away from the housing accompanied by withdrawal of the intermediate portion of the cable from the coil. The cable is in a resiliently lightly stressed condition as a result of its being coiled, the cable being capable of being further resiliently stressed whereby upon movement of the first end of the cable away from the housing, part of the intermediate portion of the cable is withdrawn from the coil, thus reducing the number of layers in the coil and drawing them toward the hub. The diameters of the remaining layers are thereby reduced and resiliently stressed so that they store energy. The energy is released thus causing the cable to be retracted into the housing as the first end of the cable and the housing are moved closer together.
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AMP Incorporated
Hubbuch David F.
Nelson Katherine A.
Scherbel David A.
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