Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1978-08-17
1980-06-03
Schmidt, Frederick R.
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
200 1B, 200 16C, 200260, 200290, H01H 1364, H01H 1508
Patent
active
042063337
ABSTRACT:
A double pole sliding contact trigger switch is disclosed having auxiliary butt contact means for affording sequential actuation of a pair of switches in a single housing. Upon depression of the trigger, a double pole switch is closed by sliding bridging contactors to energize a portable tool motor. Upon further depression of the trigger, a single pole switch is closed by a butting bridging contactor to energize a solenoid in the tool.
REFERENCES:
patent: 2488670 (1949-11-01), Koenig
patent: 3092699 (1962-06-01), Latour
Savas Charles R.
Smith Jackson H.
Autio William A.
Eaton Corporation
Rather Hugh R.
Schmidt Frederick R.
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