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| Number | Title | Issue Date |
| 4927988 | Enclosed switch contact assembly A centrifugal switch assembly for a single phase induction motor connects a start winding in circuit to start the motor. A centrifugal actuator positions a movable contact on the end of a cantilevered spring arm relative to an aligned fixed switch carried... | 05/22/1990 |
| 4406172 | Overspeed trip mechanism and method of assembling A Belleville spring type of overspeed trip mechanism is made to rotate at the same speed as the shaft by preventing slippage between the spring and the other members of the trip mechanism. Slippage is prevented by forming grooves in the periphery of the i... | 09/27/1983 |
| 4392033 | Centrifugal switching system A switch actuating device designed to control the speed of rotation of shafts, particularly electric motor shafts. A plastic hub section is designed to be positioned about the shaft, and a plurality of relatively independent, flexing leg, weight members, ... | 07/05/1983 |
| 4333343 | Centrifugally actuated trip mechanism A trip mechanism for use with a rotatable shaft comprising a Belleville spring encircling the shaft, a pair of collars secured to the shaft for mounting the spring thereon and engaging the spring to transmit rotary motion from the shaft to the Belleville ... | 06/08/1982 |
| 4289988 | Centrifugal mechanism and switch This disclosure relates to a centrifugal mechanism and switch construction particularly for use in an electric motor. The mechanism includes a support part that is secured to and rotates with the motor shaft, and a weight that is carried by the support pa... | 09/15/1981 |
| 4242607 | Centrifugal actuator for motor starting switch A centrifugal actuator assembly for an electric motor or the like is provided having a pair of opposed movable members rotatable with the rotor shaft of the motor and responsive to centrifugal force upon rotation of the rotor shaft for movement between a ... | 12/30/1980 |
| 4184819 | Secondary speed sensor for governed air grinders A speed sensor is attached to the output shaft of the rotary vane air motor. The speed sensor includes a body member which is pivotally mounted at one end on the output shaft for movement about an axis parallel to the shaft axis. The opposite end of the b... | 01/22/1980 |
| 4062433 | Quick release centrifugal clutch construction A quick release centrifugal clutch construction having a driven member rotatably mounted on a shaft and a drive member rotatable with the shaft and axially engageable with the driven member. The drive member includes a rotor mounted on the shaft for rotat... | 12/13/1977 |
