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| Number | Title | Issue Date |
| 5726881 | Centrifugal apparatus with overspeed protection A centrifugal apparatus includes a rotor having a marker for generating an index signal, a motor for rotating the rotor, first and second detectors for detecting the index signal with rotation of the rotor to generate first and second detection signals, a... | 03/10/1998 |
| 4371906 | Overspeed protective apparatus for a portable tool 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 responsive to an overspeed condition of the motor and an electrical switching ... | 02/01/1983 |
| 4227128 | Speed responsive motor control circuit A motor control circuit is provided for an appliance or the like of the type utilizing a speed adjustment device that controls an adjustable centrifugally controlled governor device. The governor includes a switch contact arrangement which is connected in... | 10/07/1980 |
| 4224542 | Small-sized motor with centrifugal governor switch Fixed members of the small-sized motor centrifugal governor switch and commutator segment metals are secured to a boss of a molding insulating resin mounted on a shaft of the rotor, thereby disposing the centrifugal governor switch on the same side as the... | 09/23/1980 |
