Anti-decoupling mechanism for an electrical connector assembly

Details Anti-decoupling mechanism for an electrical connector assembly Anti-decoupling mechanism for an electrical connector assembly

1983-05-11

1985-08-20

McQuade, John

Geometrical instruments

339DIG2, H01R 623

Patent

active

045360480

ABSTRACT:
An annular, radially expansible/contractible, spiral spring (50) includes a cantilever arm (51) provided with a distal locking tab (60), the spring being interference fit in an annular groove (26) of a plug shell (20) to both mount a coupling nut (30) thereon and provide means for resisting rotation of the coupling nut in both directions, the tab (60) being adapted to engage a contiguous succession of ratchet teeth (40) disposed annularly around a cylindrical hub (36) extending coaxially from the coupling nut, external coupling torque tending to expand the spring whereby the spring slides about the groove and external uncoupling torque tending to contract the spring and tighten the spring fitment around the plug shell, increased torque driving tab (62) and arm (60) radially outward from the ratchet tooth to allow coupling nut rotation.

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