Twist-lock female-male plug adapter

Details Twist-lock female-male plug adapter Twist-lock female-male plug adapter

1988-06-24

1990-02-27

Bradley, P. Austin

Electrical connectors

Convertible by internal change to selectively cooperate with...

Coupling part

439166, 439176, 439628, H01R 2900, H01R 3106

Patent

active

049041959

ABSTRACT:
An auxiliary male twist-lock plug-adapter for converting a female twist-lock plug-adapter to male. The male adapter is a disc defining an upper and a lower face. Three twist-lock electrode-prongs project from the upper surface, and three conventional electrode-prongs project from the lower surface. Either of the two sets of three prongs may be coupled to the female twist-lock plug adapter so that the other, uncoupled set may be connected to a conventional female plug or to another female twist-lock plug adapter.

REFERENCES:
patent: 2957156 (1960-10-01), Gatto et al.
patent: 4010993 (1977-03-01), Hohenberger et al.
patent: 4232260 (1980-11-01), Lambkin
patent: 4585286 (1986-04-01), Parr
patent: 4726780 (1988-02-01), Thackeray

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