Interface for powered pipe-working tools
AssigneeRidge Tool Company
InventorsScott Kruepke, Seth B. Bullock, Glen R. Chartier, Katherine Hall, Robert Skrjanc
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Abstract
Power tools such as cutting saws with rotary powered blades are described. Also described are various accessories for tools used with cylindrical workpieces such as pipes are described. The accessories include a clamp and saw joint assembly, various quick connection assemblies between a saw and a clamping system, a plunge guide assembly, a latch plate assembly, an interlock switch, a blade guard system, and a chip management system or chip deflector. Also described are related methods of use.
Claims14
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.
Dependencies are inferred from the claim text.