Industrial speed control trigger switch with integral reversing

Details Industrial speed control trigger switch with integral reversing Industrial speed control trigger switch with integral reversing

1976-08-02

1978-06-13

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 1V, 310 50, 318345R, H01H 1308, H02P 700

Patent

active

040950727

ABSTRACT:
An industrial grade trigger switch having an on-off switch and a resistor controlled speed control circuit both controlled by trigger depression, and characterized by a reciprocal button reversing switch integrally within the trigger, a heftier trigger, longer trigger travel, double-pole contacts for the on-off switch, higher current rating, larger heat sink area for the solid state current control element for continuous service, better dust proofing and double insulation.

REFERENCES:
patent: RE26781 (1970-02-01), Frenzel
patent: 3260827 (1966-07-01), Frenzel
patent: 3328613 (1967-06-01), Gawron
patent: 3456229 (1969-07-01), Matthews
patent: 3467801 (1969-09-01), Matthews
patent: 3536973 (1970-10-01), Matthews et al.
patent: 3543120 (1970-11-01), Robertson
patent: 3632936 (1972-01-01), Piber
patent: 3637967 (1972-01-01), Braun
patent: 3648142 (1972-03-01), Corey et al.
patent: 3761788 (1973-09-01), Matthews et al.
Arrow Hart, Inc.; "Trigger Speed Control Switch with Reversing and Trigger Lock", Photo Nos. 7262-1 to 7262-4.

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