US PATENT SUBCLASS 269 / 35
.~ With guide means

Current as of: June, 1999
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269 /   HD   WORK HOLDERS

20  DF  WITH FLUID MEANS {7}
35.~ With guide means

DEFINITION

Classification: 269/35

(under subclass 20) Device including means preventing rotation of either the piston or the cylinder, or both, of a pneumatic or hydraulic pressure means; or a means restricting, to a desired path, the movement of one or more parts of a fluid-operated holder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256, for patents to a holder including structure for maintaining opposed jaws in parallel planes.