US PATENT SUBCLASS 242 / 573.1
.~.~.~.~ Surface wedge

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
571  DF  .~ Radially expansible or contractile {8}
572  DF  .~.~ Longitudinally shiftable operator {2}
573  DF  .~.~.~ Cam and follower {3}
573.1.~.~.~.~ Surface wedge

DEFINITION

Classification: 242/573.1

Surface wedge:

(under subclass 573) Subject matter wherein the wedgelike or lobed member includes a longitudinally movable cam located on or very near the outer periphery of the spindle adapted to spread adjacent portions of the spindle surface and thereby vary a circumferential dimension of the spindle.

SEE OR SEARCH CLASS

492, Roll or Roller,

21, for a wedge-type roll expander.