Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed bolt or screw with threads and complementary nut
Patent
1995-11-21
1997-08-19
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed bolt or screw with threads and complementary nut
411160, 411533, 411959, 439782, F16B 3300, F16B 3924, H01R 1101
Patent
active
056581084
ABSTRACT:
An electrical terminal clamping assembly of the character that will simultaneously accommodate and securely grip one or more conductor wires of substantially different diameters. The assembly includes a threaded terminal screw and a uniquely configured clamping plate or tilt washer which is adapted to freely tilt relative to the undersurface of the head of the terminal screw in a manner to move gripping projections provided on the undersurface of the washer into secure clamping engagement with a wire of large diameter disposed on one side of the axial center line of the terminal screw and into secure clamping engagement with a wire of much smaller diameter disposed on the opposite side of the axial center line. The undersurface of the tilt washer is provided with uniquely configured, generally circularly shaped gripping protuberances that provide multiple contact points for firmly gripping the different diameter conductor wires which are disposed on opposite sides of the terminal screw.
REFERENCES:
patent: 3398393 (1968-08-01), Cochrum
patent: 3891296 (1975-06-01), Gutshall
patent: 3993397 (1976-11-01), Gutshall
patent: 4135777 (1979-01-01), Barth
patent: 4146289 (1979-03-01), Kirrish
patent: 4174148 (1979-11-01), Oguch et al.
patent: 4310214 (1982-01-01), Carlson
patent: 4492422 (1985-01-01), Bieschke
Brunton J. E.
Wilson Neill R.
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