.~.~ Work engaging portion pivotally or rotatably connected to handle {3}
479
.~.~.~ With electric signal device
DEFINITION
Classification: 81/479
With electric signal device:
(under subclass 478) Wrench or screwdriver provided with an electrical device which is activated by the pivotal or rotational movement of the portion relative to the member and signals the operator when the selected torque is exceeded.
SEE OR SEARCH CLASS
116, Signals and Indicators, for mechanical signals, per se.
340, Communications: Electrical,
500+, for alarms which are automatically responsive to a condition. Note particularly indented subclasses 665 and 679+.