US PATENT SUBCLASS 269 / 82
.~.~ Plane bearing surfaces clamped together

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

55  DF  HOLDER MOUNTED FOR MOVEMENT {5}
74  DF  .~ Means for position lock {7}
82.~.~ Plane bearing surfaces clamped together {1}
83  DF  .~.~.~> Radial bearing surface type {2}

DEFINITION

Classification: 269/82

(under subclass 74) Device wherein the immobilization structure includes a means for drawing flat abutting surfaces of the holder and holder support into binding frictional engagement.

(1) Note. This and indented subclasses are limited to patents for a holder wherein the bearing surfaces, providing for movement of the holder relative to the holder support, are both (a) flat and (b) pressable together for relative immobilization of said surfaces. Any claimed (c) variation from the flat or (d) immobilization other than by drawing flat surfaces together is excluded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

76, for patents to a holder mounted for movement with set screw type position lock.

77, for patents to a holder mounted for movement with periphery clamp type position lock.