US PATENT SUBCLASS 72 / 18.9
.~.~.~ Sensing tool or tool-linked part

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}
17.3  DF  .~ Sensing work or product (e.g., by X-ray) {6}
18.1  DF  .~.~ Including plural sensors or sensor responsive to plural conditions {6}
18.9.~.~.~ Sensing tool or tool-linked part

DEFINITION

Classification: 72/18.9

Sensing tool or tool-linked part:

(under subclass 18.1) Subject matter including detecting a condition of a tool* or of a machine element connected to the tool for movement therewith.

(1) Note. Original placement of a patent in this or a subclass indented hereunder requires that the machine element partakes of tool movement, either directly or proportionately, whether the element is fixed to the tool or connected thereto by a linkage.

SEE OR SEARCH THIS CLASS, SUBCLASS:

9.5, 10.1+, 12.1, 13.4+, 17.1, 17.2, and 20.1+, for other sensing of a tool or tool-linked part.