Hole saw arbor method and apparatus

Details Hole saw arbor method and apparatus Hole saw arbor method and apparatus

1995-09-12

1997-08-19

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408204, 408209, B23B 3500, B23B 5104

Patent

active

056581025

ABSTRACT:
A hole saw arbor includes an arbor body defining an axial rotation axis and has, at one end, a shank for mounting to a drill chuck, and at the other end, a hole saw receiving, axially directed, threaded shaft. The arbor includes a thrust member coaxially received by the arbor body such that the thrust member is movable in the direction of the rotation axis. The arbor further has at least one movable pin retained by the arbor body in the direction of the threaded shaft for engaging a corresponding hole in a bottom surface of the hole saw, to prevent rotation of the hole saw relative to the arbor body; and an adjustable locking member for locking the thrust member against the bottom surface of the hole saw. Thereby the hole saw, when engaged by the thrust member and the at least one pin, does not wobble off-axis.

REFERENCES:
patent: 3758221 (1973-09-01), Meshulam
patent: 3854840 (1974-12-01), Miyanaga
patent: 4148593 (1979-04-01), Clark
patent: 4669928 (1987-06-01), Mediavilla
patent: 5226762 (1993-07-01), Ecker
Brochure, Starrett, "Hole Saw Kits & Accessories" and Diamond & Carbide Hole Saws, pp. 23-24.
Brochure, Black & Decker, "Hole Saws", pp. 26-27.
Brochure, Blu-Mol, "Hole Saws for All Applications", p. 3.
Brochure, Sterling, "Hole Saw Kits", p. A-15.
Brochure, Sawell, "Holesaw Kits & Accessories", p. 22.

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