Electrical connectors – With circuit conductors and safety grounding provision – Grounding to connector container or housing
Patent
1990-02-08
1990-12-18
Ullah, Akm
Electrical connectors
With circuit conductors and safety grounding provision
Grounding to connector container or housing
439 15, 439164, 187 81, 188 2R, 81 333, 350 9610, G02B 636, H01R 3902, H01R 3500
Patent
active
049781910
ABSTRACT:
A connector device in which at least one flexible transmission member is housed in a holding portion, which is defined by a fixed housing mounted on a stationary member and a movable housing mounted on a rotating member and rotatably combined with the fixed housing, and the stationary and rotating members are connected by means a transmission member. The flexible transmission member is coiled in a spiral pile around the axis of rotation of the two housings, turned back in the middle thereof, and coiled in a spiral pile in the opposite direction from a U-turn portion at which the transmission member is turned back. By doing this, the transmission member can be reduced in length. Preferably, a spacer, which serves to guide the transmission member along at least the inside face of the U-turn portion, is interposed between those layers of the transmission member between which the U-turn portion is sandwiched, whereby the facing layers of the coiled transmission member can be prevented from sagging and coming into sliding contact with each other.
REFERENCES:
patent: 3001034 (1961-09-01), Aitken
patent: 3597721 (1971-08-01), Mangan
patent: 3763455 (1973-10-01), Confer et al.
patent: 4744763 (1988-05-01), Suzuki et al.
patent: 4836795 (1989-06-01), Schauer
Hasegawa Masahiro
Ueno Seiichi
The Furukawa Electric Co. Ltd.
Ullah Akm
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