US PATENT SUBCLASS 433 / 129
.~.~.~.~.~ Including axially movable collect to cam fingers

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
103  DF  .~ Having motor or means to transmit motion from motor to tool (e.g., "engine") {10}
114  DF  .~.~ Hand-held tool or handpiece {9}
126  DF  .~.~.~ Having means facilitating assembly or disassembly of tool or handpiece {1}
127  DF  .~.~.~.~ Means to releaseably grip tool {2}
129.~.~.~.~.~ Including axially movable collect to cam fingers

DEFINITION

Classification: 433/129

Including axially movable collect to cam fingers:

(under subclass 127) Apparatus wherein the means for releasably holding a working contacting or modifying means comprises a plurality of gripping elements adapted to grip the periphery of the work contacting and modifying means by moving a member which surrounds said gripping elements to urge them inwardly to grip the work contacting and modifying means.

SEE OR SEARCH CLASS

279, Chucks or Sockets,

9.1+, for nondental tool chucks of similar structure.