US PATENT SUBCLASS 82 / 169
.~.~ Expansible


Current as of: June, 1999
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82 /   HD   TURNING

165  DF  WORK DRIVER {2}
168  DF  .~ Mandrel {1}
169.~.~ Expansible


DEFINITION

Classification: 82/169

Expansible:

(under subclass 168) Subject matter wherein the device is provided with a work engageable piece capable of radial adjustment to thereby center the work and secure driving contact therewith.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

571+, for an expandable mandrel for engaging an inner surface of a coil or core used in winding or unwinding.

269, Work Holders,

2, for expansible mandrel used as a work holder.

279, Chucks or Sockets,

2.01+, for expanding chucks adapted to hold hollow articles by being inserted into the cavity thereof. 301, Land Vehicles: Wheels and Axles,

105, for expansible devices on land vehicles.

451, Abrading,

463+, for an expansible abrading tool.