Switching contact mechanism with wipe and backwipe

Details Switching contact mechanism with wipe and backwipe Switching contact mechanism with wipe and backwipe

1996-03-14

1997-12-02

Walczak, David J.

Electricity: circuit makers and breakers

Combined with or actuated by connector coupling

Bayonet-coupling

200 51R, 200 5107, 439188, H01H 1370

Patent

active

056939248

ABSTRACT:
This invention relates to a make-before-break switch of the type for electrical connector, where the connector is intended to be mated with a complementary coaxial cable connector. The switching connector comprises a pair of spaced-apart, cantilevered switch contacts mounted within a dielectric housing, where such mating is between the pair of switch contacts. A unique feature hereof is that the shank portion of one of the switch contacts has a contact arm extending toward and in contact with the shank portion of the other switch contact in an unmated condition, and that the respective mating ends of the switch contacts are axially offset from one another. By this arrangement, upon mating by the complementary connector, contact is made sequentially with the mating ends and the contact arm is caused to wipe along the shank portion of the first switch contact to counter the effects of contaminants and oxides which may be present at the contact point.

REFERENCES:
patent: 1526102 (1925-02-01), Taft
patent: 3166649 (1965-01-01), Frantz et al.
patent: 3976850 (1976-08-01), Faber et al.
patent: 4408824 (1983-10-01), Weidler
patent: 4633048 (1986-12-01), Komatsu
patent: 4804339 (1989-02-01), Cohen
patent: 5030122 (1991-07-01), Birch et al.
patent: 5073123 (1991-12-01), Birch et al.
patent: 5108300 (1992-04-01), Weber
patent: 5267871 (1993-12-01), Flanagan
patent: 5320546 (1994-06-01), Weber

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