Overspeed protective apparatus for a portable tool

Details Overspeed protective apparatus for a portable tool Overspeed protective apparatus for a portable tool

H - Electricity

02

H

310/13, 341/91

H02H 7/093 (2006.01) B24B 55/00 (2006.01) H01H 35/10 (2006.01)

Patent

CA 1181157

ABSTRACT OF THE DISCLOSURE Disclosed is an overspeed protective apparatus for an electric motor having pairs of stator windings normally connected in parallel, the apparatus having an actuating mechanism respon- sive to an overspeed condition of the motor and an electrical switching assembly normally connecting the stator windings in parallel but adapted upon actuation by the actuating mechanism to interrupt the parallel connection and connect pairs of wind- ings in series.

354935

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