Coupling nut for an electrical connector

Details Coupling nut for an electrical connector Coupling nut for an electrical connector

1982-09-30

1984-10-30

McQuade, John

Geometrical instruments

339 89R, H01R 13629

Patent

active

044796897

ABSTRACT:
A coupling nut (300) mounted to a first shell (100) for connection to a threaded second shell (200) comprises: an operating sleeve (600) rotatably circumposing inner front and rear coupling sleeves (400, 500) having their adjacent ends threadedly interconnected; a roll bar (700) operatively driven by operating sleeve (600) for engaging spaced end faces on respective coupling sleeves to cause relative rotation therebetween; and a coil spring (800) for constantly biasing the coupling sleeves (400, 500) into a first position, right-handed thread (220, 420) operating between second shell (200) and front coupling sleeve (400) and left-handed thread (430, 530) operating between the coupling sleeves (400, 500), coupling rotation beyond mating engagement between the assembly by the right-handed threads causing coil spring (800) to compress and transmit uncoupling rotation to the left-handed threads whereupon the coupling sleeves separate and further coupling rotation of the right-handed thread, uncoupling rotation of the front coupling sleeve having the right-handed thread simultaneously causing the coil spring to urge the separated rear coupling sleeve with left-right-handed thread into the coupling direction towards the front coupling sleeve to maintain and tighten the grip between the right-handed thread.

REFERENCES:
patent: 1349518 (1920-08-01), Lyle
patent: 3605069 (1971-09-01), Dorrell
patent: 3869186 (1975-03-01), Vetter

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