Clock spring

Details Clock spring Clock spring

1991-06-14

1992-04-21

Desmond, Eugene F.

Electrical connectors

With relatively guided members and intermediate pliable...

Relatively movable about axis

439115, H01R 3504

Patent

active

051063166

ABSTRACT:
A clock spring used with, e.g., a steering apparatus of a motor vehicle to establish electrical connection between a stationary member and a movable member by using cables. The clock spring has a stationary member, a movable member fitted to the stationary member so as to be rotatable relative to the same, and cables each having a portion accommodated in a cable housing defined by the stationary and movable members. Two end portions of each cable are respectively fixed to the stationary and movable members and are led out of the cable housing. An improvement achieved by the invention resides in that a group of stationary-side cable accommodation grooves and a group of movable-side cable accommodation grooves are formed by concentric projections in the cable housing so as to face each other, and that cutouts providing a communication through at least one of the groups of stationary-side and movable-side cable accommodation grooves are formed in the projections.

REFERENCES:
patent: 3466588 (1969-09-01), Bradshaw
patent: 4712972 (1987-12-01), Nakashima et al.
patent: 4721469 (1988-01-01), Carlson
patent: 5026289 (1991-06-01), Matsumoto et al.

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