Geometrical instruments
Patent
1976-05-19
1977-06-14
Lake, Roy
Geometrical instruments
339274, H01R 706
Patent
active
040293831
ABSTRACT:
An electrical connector comprises a first body rotatably mounted in a hollow second member. In one form, the second member is a hollow cylinder and the first member has a cylindrical portion to fit the cylinder and a tapered portion of snail-cam cross-section to clamp a conductor inserted between the tapered portion and the bore of the second member. Clamping is achieved by relative rotation of the members, a recess for an Allen key being provided in the first member, and projections or serrations are provided to rupture insulation. In a second form, the second member is frusto-conical and the first member is correspondingly tapered. Also described, are an end-cap for the connector with projection-and-recess means to retain it in place, and the use of projections and corresponding recesses for axial location of the members and limitation of the degree of rotation. A double-ended connector is also shown.
REFERENCES:
patent: 1921840 (1933-08-01), Recen
patent: 2125203 (1938-07-01), Schanbacher
patent: 2908884 (1959-10-01), Wirsching
patent: 3873178 (1975-03-01), Galli
Butler David Sydney
Harding John Patrick
Abrams Neil
Lake Roy
The Post Office
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