Universal terminal block connector

Details Universal terminal block connector Universal terminal block connector

1980-11-13

1983-01-25

McGlynn, Joseph H.

Geometrical instruments

H01R 910

Patent

active

043700187

ABSTRACT:
A terminal block connector uses a first nut having an internal thread of a first diameter and type and a second nut coaxially arranged therewith having an internal thread of a second diameter and type. To further the universality of the connector, the first thread may be an SAE thread while the second thread may be a metric thread, while the first diameter is always smaller than the second diameter. The first nut is arranged to cooperate with a first diameter machine screw while the second nut is arranged to cooperate with a second diameter machine screw. The two nuts are held rotationally captive in a coaxial recess in an electrically insulating block with the larger thread diameter second nut located at the entrance to the recess. The smaller thread diameter first nut is initially positioned beneath the large diameter second nut and in frictional engagement with the wall of the recess with a space between the first nut and the bottom of the recess. In an alternate embodiment, the recess is substantially longer than the combined thickness of the two nuts, and a spring is located between the internal end of the recess and the inner one of the two nuts to urge the nuts together and against the recess entrance and to permit a separation of the two nuts by a machine screw engaging the second diameter nut while projecting therefrom into the recess.

REFERENCES:
patent: 3414866 (1968-12-01), Norden

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