CPC B23D 47/045 (2013.01) [B23D 45/126 (2013.01); B23D 47/02 (2013.01)] | 14 Claims |
1. An interlock system for a saw or a pipe-working tool defining a receiving aperture, the interlock system comprising:
a positionable plunger positionable between an extended state in which the plunger extends into the receiving aperture, and a retracted state in which the plunger does not extend into the receiving aperture; and
an interlock switch defining an open position when current does not flow and a closed position when current flows and including electrical contacts,
wherein an operational state of the electrical contacts varies depending upon the position of the plunger relative to the receiving aperture.
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