Dynamic brake switch for motor

Details Dynamic brake switch for motor Dynamic brake switch for motor

1992-11-09

1995-01-10

Recla, Henry J.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200547, 200549, 200522, H01H 136

Patent

active

053809718

ABSTRACT:
A power switch is provided for control of the electric motor of a power hand tool, such switch including a shorting bar to achieve a dynamic brake on the motor after the termination of the application of power thereto. In one embodiment of the invention, the shorting bar is fixed within the switch housing and moving contacts upon the slide are brought into contact therewith after the slide has moved a sufficient distance to terminate the interconnection between the power source and the motor. In another embodiment, the shorting bar is maintained upon the slide and engages fixed contacts interconnected with the motor when the slide has moved a fixed distance beyond a point of disconnecting the power source from the motor.

REFERENCES:
patent: 3209088 (1965-09-01), Wanlass et al.
patent: 3564181 (1971-02-01), Chirota
patent: 4168405 (1979-09-01), Raab et al.
patent: 4210791 (1980-07-01), Sovenson

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