Vibration resistant electrical coupling with tactile indication

Details Vibration resistant electrical coupling with tactile indication Vibration resistant electrical coupling with tactile indication

1992-11-10

1994-06-21

Abrams, Neil

Electrical connectors

With coupling movement-actuating means or retaining means in...

Coupling part with relatively pivotable concentric...

285 82, 439604, H01R 13623

Patent

active

053224515

ABSTRACT:
An electrical coupling (10) adapted for connection to a complementary connector includes an elastomeric insert (16) having a plurality of inner cylindrical conductive contacts forming a socket and disposed within a cylindrical molded body (14) from which a multi-conductor cord (12) extends. The electrical coupling (10) further includes a coupling nut (22) disposed about the insert (16) and having inner threads (22a) for engaging and drawing the complementary connector into secure engagement with a first surface (26a) of an annular flange (26) disposed about the periphery of the insert. In one embodiment, the coupling nut (22) includes an annular, inner flange having a plurality of spaced, symmetrical detents (36). A washer (24) disposed intermediate a second, opposed surface (26b) of the insert's peripheral flange (26) and the coupling nut's inner flange (34) includes first projections on a first surface thereof which engage the annular flange's second surface when the coupling nut (22) is tightened. The washer (24) further includes second projections (50) on a second, opposed surface thereof which are each positioned within a respective detent (36) of the coupling nut (22) to provide a locked connection. An outer sheath (18) may be assembled to the coupling nut (22) to permit the coupling nut to be rotated for tightening until a predetermined torque is reached, whereupon the sheath freely rotates about the tightened coupling nut. Other embodiments include the combination of a split washer (96) engaging an inner ratchet surface of the coupling nut (86) and a combination of spaced outer bosses (122a, 122b, 122c and 122d) around the insert (116) engaging either a circular (142) or an undulating (128) inner flange of the coupling nut to provide a locking feature with a tactile indication of connector tightening and locking.

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