US PATENT SUBCLASS 72 / 20.1
.~ 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}
20.1.~ Sensing tool or tool-linked part {5}
20.2  DF  .~.~> To control predetermined sequence of operating movements (e.g., of one tool operating on work) {1}
21.1  DF  .~.~> Including plural sensors or sensor responsive to plural conditions
21.2  DF  .~.~> To control operation of interlock
21.3  DF  .~.~> To stop machine
21.4  DF  .~.~> Sensing force on tool {1}

DEFINITION

Classification: 72/20.1

Sensing tool or tool-linked part:

(under subclass 6.1) Subject matter including detecting a condition of a tool* or of a machine element connected to the tool for movement

(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 18.9, for other sensing of a tool or tool-linked part.