US PATENT SUBCLASS 72 / 21.2
.~.~ To control operation of interlock

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  DF  .~ Sensing tool or tool-linked part {5}
21.2.~.~ To control operation of interlock

DEFINITION

Classification: 72/21.2

To control operation of interlock:

(under subclass 20.1) Subject matter provided with a mechanism to prevent movement of an element or a portion of a machine, and further provided with a device for disabling the movement-preventing mechanism, comprising regulating the disabling device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14.2, for a metal deforming machine having a roller or roller-like tool, with sensing of a tool or tool-linked part to control operation of an interlock.

SEE OR SEARCH CLASS

83, Cutting,

366, for interlock means in a cutting machine, and see (4) Note under the definition of Class 72, subclass 6.1.