US PATENT SUBCLASS 74 / 816
.~ Preselected indexed position


Current as of: June, 1999
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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}
816.~ Preselected indexed position {1}
817  DF  .~.~> Sequential {5}


DEFINITION

Classification: 74/816

(under subclass 813) Devices having means to interrupt and stop rotation of the shaft at a physically predestined position.

(1) Note. The interruption of rotation responsive to a determination on the part of a human operator is not considered to be physically predestined.