US PATENT SUBCLASS 451 / 178
.~.~ Rotary cylinder

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
177  DF  .~ Rotary tool {3}
178.~.~ Rotary cylinder {11}
179  DF  .~.~.~> Linear indexing of the tool
180  DF  .~.~.~> Internal {1}
182  DF  .~.~.~> One-way work traverse {6}
194  DF  .~.~.~> Opposed abrading tools {5}
211  DF  .~.~.~> Planetary
212  DF  .~.~.~> Reciprocating work holder {4}
231  DF  .~.~.~> Stationary work holder {4}
236  DF  .~.~.~> Swinging tool carrier
237  DF  .~.~.~> Templet {2}
241  DF  .~.~.~> Work guide
242  DF  .~.~.~> Work rotating {5}

DEFINITION

Classification: 451/178

Rotary cylinder:

(under subclass 177) Abrading machine in which abrading is accomplished using the axially extending peripheral face of the rotary tool.

(1) Note. The face of the abrading tool is substantially parallel to the axis of rotation.

(2) Note. A device including a tool face not clearly radial is included herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109+, for a scouring machine that uses a rotary cylinder-type scouring tool.

120+, for an abrading machine that uses a rotary reciprocating tool.

352, for a frame or mount for a portable machine using a rotary cylinder abrading tool.

541+, for a rotary rigid cylindrical tool. SEE OR SEARCH CLASS

144, Woodworking,

28.11, and 28.6+ for a pencil-sharpening machine in which a peripheral-face abrasive tool is in rotary relation to a work holder or work guide; and subclass 28.9, in which the support structure for the tool is stationary, relative to supporting structure for the machine, and the work holder is rotary,

relative thereto.

409, Gear Cutting, Milling, or Planing,

64+, for a milling machine or for a machine disclosed as being for use with either a milling tool or an abrading tool.