Geometrical instruments
Patent
1983-01-06
1984-08-21
Abrams, Neil
Geometrical instruments
339 32R, 339 58, 339 95D, H01R 2310, H01R 2700
Patent
active
044666861
ABSTRACT:
A connection adapter module for a wire trap switch, trigger speed control, or the like that plugs into the wire trap system and provides screw clamp connections to the control for a portable electric tool such as a drill, sabre saw, or the like, enabling the tool to be rewired or the control replaced by a customer with a standard screwdriver, comprising an insulator body carrying a plurality of connector elements and which can be "piggy-backed" on the control, connector elements generally comprising inserts in the insulator body including a barrel portion having a screw threaded through the wall thereof for receiving and clamping a wire therewithin and a thin wire-like projection or pin portion extending longitudinally therefrom projecting out of the insulator body to be engaged within the switch or control wire trap.
REFERENCES:
patent: 1722816 (1929-07-01), Meunier
patent: 1997270 (1935-04-01), Titus
patent: 2830280 (1958-04-01), Webber
patent: 2942231 (1960-06-01), Cornell, Jr.
patent: 3007129 (1961-10-01), Nielsen
patent: 3182281 (1965-05-01), Salz, Sr.
patent: 3296576 (1967-01-01), Motten, Jr.
Abrams Neil
Bell Edward L.
Schmidt Edward P.
Smith Robert E.
The Singer Company
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