US PATENT SUBCLASS 74 / 821
.~.~.~ Velocity control


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



74 /   HD   MACHINE ELEMENT OR MECHANISM

813 R  DF  ROTARY MEMBER OR SHAFT INDEXING, E.G., TOOL OR WORK TURRET {8}
816  DF  .~ Preselected indexed position {1}
817  DF  .~.~ Sequential {5}
821.~.~.~ Velocity control


DEFINITION

Classification: 74/821

(under subclass 817) Devices having additional means to vary the speed of rotation of the shaft or load as a predetermined position is approached.

(1) Note. The speed is usually decelerated as it approaches the position.