Plugged fastening device with snap-action locking for control an

Details Plugged fastening device with snap-action locking for control an Plugged fastening device with snap-action locking for control an

1991-05-29

1993-01-12

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element with nut, washer, securing means or cap

Headed fastener element with securing means and biasing spring

411354, 200296, 200322, F16B 2100, H01H 152, H01H 320, H01H 900

Patent

active

051785048

ABSTRACT:
A snap-action fastening device comprises an operative unit to be fastened to a switchboard and a flange unit having seats receiving fins of a member containing control and signalling units and adapted to be snapped on and fastened to an elongated stem of the operative unit. The flange unit has a rotatable lever having a central bore provided on a surface thereof with inwardly protruding teeth engageable in elongated slots formed in an end portion of the stem and retained in recesses extending transversely of the slots.

REFERENCES:
patent: 3631377 (1971-12-01), Ball
patent: 3675280 (1972-07-01), Winslade
patent: 3912411 (1975-10-01), Moffat
patent: 4198080 (1980-04-01), Carpenter

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