Wire conducting rotary coupling employing protective skirt

Details Wire conducting rotary coupling employing protective skirt Wire conducting rotary coupling employing protective skirt

1988-10-14

1990-05-01

Paumen, Gary F.

Electrical connectors

With relatively guided members and intermediate pliable...

Relatively movable about axis

439162, 439 13, H01R 3504

Patent

active

049214322

ABSTRACT:
A rotary coupling for conducting rotational movement across a plurality of electrical wires is disclosed herein which applies a minimum amount of stress on the wires. The coupling generally comprises first and second concentrically disposed tubular members rotatably movable with respect to one another and a skirt member circumscribing one of the tubular members which defines a recess for receiving U-shaped slack portions present in each of the wires. In operation, the U-shaped slack portions extend into and retract out of the recess whenever the coupling members are rotated relative to one another. The rotary coupling effectively transmits torque and high electrical currents in environments where the use of slip rings is undesirable, such as outer space, and is particularly useful within a movable support arm which connects a solar panel to the main body of a space facility.

REFERENCES:
patent: 2702889 (1955-02-01), Bareford
patent: 3157451 (1964-11-01), Martini
patent: 3433889 (1966-06-01), DeVries, Jr.
patent: 3792189 (1974-02-01), Stengel et al.
patent: 4542858 (1985-09-01), Manges
patent: 4804331 (1989-02-01), Eguchi et al.
One Page Description of Lockhee, "Twist Flex Concept".

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