(under the class definition) Device provided with means to terminate operation of any or all parts of the device in response to a condition or signal or impulse the time of occurrence of which cannot be precisely predicted.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10+, for stopping means actuated in response to detection of the material.
66, and 161, for devices which prevent material movement without stopping the movement of any part.
SEE OR SEARCH CLASS
83, Cutting, 58+, for similar structure in combination with cutting means.
