US PATENT SUBCLASS 279 / 2.01
EXPANDING

Current as of: June, 1999
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279 /   HD   CHUCKS OR SOCKETS

2.01EXPANDING {6}
2.02  DF  .~> Collet type {2}
2.05  DF  .~> Jaws mounted on flexible member; i.e., diaphragm
2.06  DF  .~> Fluid-pressure actuator {2}
2.1  DF  .~> Axially moving actuator {4}
2.19  DF  .~> Rotary actuator {1}
2.21  DF  .~> Jaw structure {3}

DEFINITION

Classification: 279/2.01

EXPANDING:

(under the class definition) A device wherein the object being held has a hollow or recess into which the means for making the connection is inserted and enlarged so as to internally grip the object.

SEE OR SEARCH CLASS

72, Metal Deforming,

393, for a wedge expanded segmental pipe expander, and subclasses 120+, for the same which rotates and/or travels circumferentially around a pipe.

82, Turning,

169, for an expansible mandrel for a work driver.

242, Winding, Tensioning, or Guiding, 529, and 571+ for expansible means to hold a coil or core and the like.

408, Cutting by Use of Rotating Axially Moving Tool,

79+, for a work-engaging structure other than a tool or a tool-support that frictionally engages sides of an opening in the work.

451, Abrading,

463+, for an expansible abrading tool.