Mechanical apparatus for activating no load current limiting cir

Details Mechanical apparatus for activating no load current limiting cir Mechanical apparatus for activating no load current limiting cir

1978-11-16

1980-08-26

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68C, 310 50, H02K 1100

Patent

active

042197473

ABSTRACT:
A mechanical switch is provided which, in a first position connects a current limiting circuit to a motor and, in a second position, disconnects the current limiting circuit from the motor. Mechanical activators are provided for the mechanical switch, to switch it from the first to the second position when the tool including the motor has a predetermined relationship to the workpiece. The mechanical activators provided for the mechanical switch operate the switch either when correct positioning of the tool relative to the workpiece results in a predetermined force being applied to the activator by the workpiece or when a shaft of the tool transmits a predetermined torque.

REFERENCES:
patent: 2793305 (1957-05-01), Gerentes
patent: 3541364 (1970-11-01), Bosch
patent: 3585427 (1971-06-01), Paule
patent: 3611095 (1971-10-01), Schnizler
patent: 3648142 (1972-03-01), Corey et al.

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