US PATENT SUBCLASS 72 / 15.4
.~.~.~.~ Sensing lead end or tail end


Current as of: June, 1999
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72 /   HD   METAL DEFORMING

6.1  DF  WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {7}
14.8  DF  .~ Including use of sensor responsive to information carried by removable auxiliary record (e.g., recording disk, tape, or card) {1}
14.9  DF  .~.~ Including plural sensors or sensor responsive to comparison between plural conditions {3}
15.3  DF  .~.~.~ Sensing work or product (e.g., by X-ray) {2}
15.4.~.~.~.~ Sensing lead end or tail end


DEFINITION

Classification: 72/15.4

Sensing lead end or tail end:

(under subclass 15.3) Subject matter including detecting the forward edge or the trailing edge of moving work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7.5, 8.8, 11.5, 12.5, 16.7, 18.5, and 19.4, for other sensing of the lead end or tail end of work or product.