US PATENT SUBCLASS 234 / 76
.~ Sensing by tool directly engageable with pattern

Current as of: June, 1999
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234 /   HD   SELECTIVE CUTTING (E.G., PUNCHING)

59  DF  WITH MEANS TO INITIATE TOOL SELECTION BY SENSING PATTERN INDICIA OR CONFIGURED MACHINE ELEMENT {11}
76.~ Sensing by tool directly engageable with pattern {2}
77  DF  .~.~> Tool actuation blocked by pattern
78  DF  .~.~> Tool actuating force transmitted by pattern

DEFINITION

Classification: 234/76

(under subclass 59) Device including means to bring a portion of a tool into position of contact with said pattern, whereby said tool functions as a sensing means.

(1) Note. Selected tools may be latched in position to relieve the pattern of tool-driving stresses, after the pattern has effected preliminary tool positioning.