Electrical connectors – With relatively guided members and intermediate pliable... – Relatively movable about axis
Patent
1992-04-29
1993-06-15
Desmond, Eugene F.
Electrical connectors
With relatively guided members and intermediate pliable...
Relatively movable about axis
439 15, H01R 3500
Patent
active
052194604
ABSTRACT:
A clockspring connector comprises a lower case (1) having an outer cylindrical wall (7), an upper case (2) having an inner cylindrical wall (8) and mounted on the lower case (1) so as to be able to turn relative to the fixed member (1), an intermediate movable member (4) placed in an annular space (10) formed between the outer cylindrical wall (7) and the inner cylindrical wall (8) so as to be able to turn relative to the lower case (1) and the upper case (2), and a flexible cable (3) contained in the annular space (10) and having an inverting portion (3a) and portions extending on the opposite aides of the inverting portion (3a) and wound in opposite directions on the inner cylindrical wall (8) and the outer cylindrical wall (7), respectively. The intermediate movable member (4) has a shape substantially resembling the letter C, the inverting portion (3a) turns around one of the opposite ends of the intermediate movable member (4), and a slippery member (13) is provided on at least either the inner circumference or the outer circumference of the intermediate movable member (4) to enable the flexible cable (3) to slip smoothly along the intermediate movable member (4) when the lower case (1) or the upper case (2) is turned relative to the other.
REFERENCES:
patent: 4540223 (1985-09-01), Schmerda et al.
patent: 5046951 (1991-09-01), Suzuki
Bannai Hiroyuki
Kato Hironori
Sasaki Kunihiko
Alps Electric Co. ,Ltd.
Bever Patrick T.
Desmond Eugene F.
Shoup Guy W.
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