US PATENT SUBCLASS 269 / 54.2
.~.~ Including opposed coacting pins

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

53  DF  PIN-TYPE HOLDER {3}
54.1  DF  .~ With means to drive pin into work {1}
54.2.~.~ Including opposed coacting pins {1}
54.3  DF  .~.~.~> Three or more pins

DEFINITION

Classification: 269/54.2

(under subclass 54.1) Device including a pair of pins mounted for relative movement toward one another for penetrating the work at spaced points.

(1) Note. The pins need not be physically diametrically opposed, but must have components of force, respectively, which are so opposed.

(2) Note. Only one pin need be movable to satisfy the requirement for relative movement.