Electric switch with dynamic brake contact shared for making and

Details Electric switch with dynamic brake contact shared for making and Electric switch with dynamic brake contact shared for making and

1995-07-27

1997-02-04

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200 6R, 200450, 310 68A, H01H 900, H01H 500

Patent

active

056001070

ABSTRACT:
A double pole single throw electric switch has normally closed contacts of one pole connected in a dynamic braking circuit with a motor load and normally open contacts connecting the motor to a source of power. A partial movable contact conductively connected to movable contacts of the normally open contacts is disposed in normally open position relative to one contact of the normally closed contacts to provide a parallel path through the switch for making and breaking the circuit to the power source.

REFERENCES:
patent: 3548276 (1970-12-01), Gross
patent: 3766348 (1973-10-01), Johnson
patent: 3869590 (1974-03-01), Hults
patent: 4095072 (1978-06-01), Piber
patent: 4149053 (1979-04-01), Long
patent: 4523115 (1985-06-01), Cuneo
patent: 4864083 (1989-09-01), Bittel
patent: 4968922 (1990-11-01), Bittel

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