Loop forming gauge and method of forming a loop

Details Loop forming gauge and method of forming a loop Loop forming gauge and method of forming a loop

1976-04-30

1977-11-29

Lake, Roy

Geometrical instruments

7 1R, 29630A, 29745, 29758, H01R 910, H01R 4300

Patent

active

040603059

ABSTRACT:
An electrical wiring device is provided combining a strip gauge, a loop forming gauge and a wire-restraint which are coordinated to form a loop in a bare end of a solid insulated conductor wire at a location where insulation on the wire extends into the wire-restraint when the loop is secured under a terminal binding screw. The stripping gauge comprises a marking molded on the device and indicating the length of insulation to be removed from the wire prior to forming the loop in the bare end of the wire. The loop-forming gauge comprises side walls defining a cavity in the body of the device and a rounded shoulder formed at an upper end of said cavity. The bare end of the wire is confined within the cavity while the bare end of the wire is bent over the rounded shoulder into the form of the loop in the wire. The wiring device also includes wire-restraints which engage with insulation on the wire when the loop is secured under the binding screw.
The method disclosed involves measuring and stripping insulation from the end of an insulated conductor wire. Then bending the stripped bare end of the wire into a loop at a location where insulation on the wire extends into the wire-restraint when the loop is secured under a binding screw carried by a terminal plate.

REFERENCES:
patent: 1815233 (1931-07-01), Burke
patent: 2694800 (1954-11-01), Sunderhauf
patent: 2735080 (1956-02-01), Littman
patent: 2973503 (1961-02-01), Hansen
patent: 3124021 (1964-03-01), Benander
patent: 3253286 (1966-05-01), Bacon

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