US PATENT SUBCLASS 73 / 535
.~ Centrifugal weight type

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

488  DF  SPEED, VELOCITY, OR ACCELERATION {29}
535.~ Centrifugal weight type {10}
536  DF  .~.~> Weight lever arm or pivot automatically variable during operation
537  DF  .~.~> Bias automatically variable during operation {1}
539  DF  .~.~> Limit stop for weight
540  DF  .~.~> With adjusting means {5}
546  DF  .~.~> Leaf spring biasing means
547  DF  .~.~> Toggle joint mounted
548  DF  .~.~> Radially projecting striker type
549  DF  .~.~> Rigid mass crossing axis at an acute angle
550  DF  .~.~> Weighted bell crank lever type
551  DF  .~.~> Surface and follower (e.g., cam or weight as wedge)

DEFINITION

Classification: 73/535

(under subclass 488) Apparatus wherein the speed responsive means comprises a rotating or revolving weight or weights, the position assumed by such weight or weights due to centrifugal force varying as a function of the speed at which they are rotated or revolved.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

364+, for a speed regulator of the centrifugal type particularly associated with an internal-combustion engine.

137, Fluid Handling,

33+, for prime mover motive fluid control by a centrifugal governor and subclasses 53+ for valve control by a centrifugal governor.

180, Motor Vehicles, 172+, for a motor vehicle having means which is responsive to

its speed for regulating the vehicle's rate of travel, and wherein the means includes a device which is responsive to centrifugal force.

200, Electricity: Circuit Makers and Breakers,

80, for a centrifugally actuated switch.

318, Electricity: Motive Power Systems,

462, for automatic starting or stopping of an electric motor by a centrifugal device.

322, Electricity: Single Generator Systems,

30, for a centrifugal governor particularly associated with an electrical generator driving means.

388, Electricity: Motor Control Systems, art collections 924+ for centrifugal speed responsive feedback devices used with electric motors.

416, Fluid Reaction Surfaces (i.e., Impellers),

50, 51 and 52+ for a centrifugal weight governor operative responsive to impeller rotation.