US PATENT SUBCLASS 269 / 265
.~.~ Plural spaced work contacting portions

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

86  DF  RELATIVELY MOVABLE JAWS {25}
257  DF  .~ Jaw features {3}
265.~.~ Plural spaced work contacting portions {3}
266  DF  .~.~.~> Settable elements conformable to work contour
267  DF  .~.~.~> With pressure equalizing means
268  DF  .~.~.~> Angular and/or curved jaw face {2}

DEFINITION

Classification: 269/265

(under subclass 257) Device wherein a work-engaging member includes at least two work-engaging portions, and said engaging portions do not form a continuous surface.

(1) Note. Included in this subclass are patents which merely call for "roughened" or "knurled" or "anti-friction" gripping surfaces.

SEE OR SEARCH THIS CLASS, SUBCLASS:

268+, for patents to a holder with specific nonplanar work contacting surface configuration.