Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Patent
1990-09-20
1992-01-14
Pirlot, David L.
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
439188, 439259, H01R 1700
Patent
active
050806130
ABSTRACT:
A combination of a plug assembly to be attached to a printed wiring board, and a receptacle assembly to be attached to a shelf back-board. The plug assembly comprises a set of plug contacts mounted to a plug housing. The receptacle assembly comprises a receptacle housing capable of mating engagement with the plug housing, and a set of resilient, bladelike receptacle contacts mounted to the receptacle housing. Each bladelike receptacle contact has two protuberances formed in longitudinally spaced positions thereon. Each receptacle contact is so made that only one of the two protuberances thereon is normally held against one associated plug contact upon interfitting engagement of the receptacle housing with the plug housing. At least selected one of the receptacle contacts butts on a projection on the receptacle housing and is thereby resiliently displaced in such a direction that the two protuberances on the displaced receptacle contact are both held against one associated plug contact. Thus, when the plug assembly is being inserted in the receptacle assembly, the plug contacts engage some of the receptacle contacts earlier than the others.
REFERENCES:
patent: 2163201 (1939-06-01), Kalencik
patent: 3396358 (1968-08-01), Ballard et al.
patent: 3920302 (1975-11-01), Cutchaw
patent: 3997231 (1976-12-01), Sherwood
patent: 4076362 (1978-02-01), Ichimura
patent: 4701134 (1987-10-01), Jones
patent: 4737602 (1988-04-01), Yamamoto
patent: 4885438 (1989-12-01), Tajima
Mitsuhashi Akira
Mori Shigeki
Orui Kazuya
Shigihara Masayoshi
Fujitsu Limited
Pirlot David L.
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