US PATENT SUBCLASS 269 / 171.5
.~.~.~ With tooth-like surface engaging a planar surface

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

86  DF  RELATIVELY MOVABLE JAWS {25}
165  DF  .~ Means for direct manual adjustment of jaw(s) {5}
166  DF  .~.~ With cant type adjustment lock {3}
171.5.~.~.~ With tooth-like surface engaging a planar surface

DEFINITION

Classification: 269/171.5

(under subclass 166) Device including a roughened, serrated, knurled, or similarly configured portion on at least one portion of one of a pair of the antipodal abutting surfaces.

(1) Note. In regard to the required tilting or skewing of the two relatively movable elements of subclass 166, a patent disclosing the interengagement of a single sharply defined edge or point on one element with the plane surface of the second element will remain in subclass 166; thus, for original placement in this subclass, in regard to any single pair of relatively canted elements;

(a)

there must be an additional configuration (other than an edge or point) on at least one element; or,

(b)

there must be either: (i) at least one inserted element that has a roughened surface, or (ii) two or more inserted elements that may have either single edges or roughened surface. SEE OR SEARCH THIS CLASS, SUBCLASS:

171, for patents including plural abutting surfaces that interlock.