Hole saw mandrel

Details Hole saw mandrel Hole saw mandrel

1986-10-07

1987-06-02

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

With product handling or receiving means

Ejector

408204, 408206, 408703, B23B 5104

Patent

active

046699287

ABSTRACT:
A hole saw accessory device that is used with a conventional drill chuck. The device includes a mandrel assembly that includes a tubular member and a locking assembly slidably mounted thereon. The locking assembly is locked against a ring member that is integrally built on one end of the tubular member. An arrowhead drill is used and the mandrel assembly is allowed to slide over a portion of the shank of the drill so that the slug of wood cut out by the conventional hole saw is easily ejected.

REFERENCES:
patent: 1645736 (1927-10-01), Blanch et al.
patent: 2349400 (1944-05-01), Beckwith
patent: 2484150 (1949-10-01), Brown
patent: 2754864 (1956-07-01), Elsy
patent: 3825362 (1974-07-01), Hougen
patent: 4148593 (1979-04-01), Clark
Black & Decker, Sales Catalog, p. 10.

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