Plug receptacle for a contact rail adaptor

Details Plug receptacle for a contact rail adaptor Plug receptacle for a contact rail adaptor

1974-04-22

1976-04-20

McGlynn, Joseph H.

Geometrical instruments

339 42, 339 88R, 339139C, 339190, H01R 306, H01R 1344, H01R 1354

Patent

active

039514889

ABSTRACT:
A plug receptacle for receiving an adaptor designed for insertion into an electrical contact rail comprises a metallic base plate having a pair of metallic arms affixed thereto and extending in spaced facing relation to one another outwardly of said plate. A central insulator member is attached to the base plate between the arms, extends from the base plate toward the spaced free ends of the arms, and cooperates with the portions of the arms outward of the free end of the insulator to define recesses which are complementary in shape and dimension to the opposed supporting clips of the adaptor. The insulator member includes a central opening in alignment with the space between the free ends of the arm, and supports a pair of electrical conductors which face said central opening and which are positioned for engagement by opposed electrical contacts of the adaptor when the adaptor is inserted between the free ends of the arms and rotated to turn the adaptor supporting clips into the recesses. An axially movable barrier member is disposed within the central opening of the insulator member and is urged by a spring toward a position outward of the base plate to cover the electrical conductors when no adaptor has been inserted. The complete receptacle may be covered by a hood which is detachably locked to the base plate and which includes a central aperture in alignment with the space between the free ends of the arms and with the central opening in the insulator member.

REFERENCES:
patent: 2102625 (1937-12-01), Hubbell
patent: 3273103 (1966-09-01), Ericson
patent: 3596226 (1971-07-01), Meltzer
patent: 3613045 (1971-10-01), Routh et al.

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