US PATENT SUBCLASS 74 / 827
.~ Single revolution input effects desired fractional output

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74 /   HD   MACHINE ELEMENT OR MECHANISM

813 R  DF  ROTARY MEMBER OR SHAFT INDEXING, E.G., TOOL OR WORK TURRET {8}
827.~ Single revolution input effects desired fractional output

DEFINITION

Classification: 74/827

(under subclass 813) Devices wherein a rotary input, in multiples of 360 deg. rotation, provides a turning of the shaft or rotatably mounted device, one increment of predestined angular rotation per multiple.