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US 2016/0256936 A1Published application
Hole saw drill guide
AssigneeRidge Tool Company
InventorsGlen R. Chartier, James Tunningley, Harald Krondorfer, Jörg Rosenthal
Life of this patent
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Abstract
A hole saw drill guide is described. The drill guide can be used when drilling holes in pipe or tubes. The hole saw drill guide includes a guide tube base assembly and an arbor shaft assembly. The guide tube base assembly is chained or otherwise secured to a pipe. The arbor shaft assembly is removably engaged with the guide tube base assembly and during use of the device, rotates within a guide tube of the base.
Claims14
A hole saw drill guide comprising:
- a guide tube base assembly including a guide tube defining a hollow interior and a slot extending along at least a portion of the length of the guide tube;
- an arbor shaft assembly including a central shaft, an outer housing, a plurality of bearings for rotatably supporting the central shaft within the outer housing, and an outwardly projecting guide pin engaged with the outer housing;
- wherein the arbor shaft assembly is sized to be insertably received within the hollow interior of the guide tube and upon positioning the guide pin of the arbor shaft assembly within the slot defined by the guide tube, the central shaft of the arbor shaft assembly is rotatably supported within the guide tube of the guide tube base assembly.
Dependencies are inferred from the claim text.