Hole saw

Details Hole saw Hole saw

1986-01-21

1988-08-02

Kazenske, E. R.

Cutlery

Cutting tools

Saw

144218, B23D 4500

Patent

active

047606436

ABSTRACT:
A hole making implement of the cylindrical saw blade type for connection with a drill bit and the chuck of a drilling machine is made as a unitary member of sheet metal. The member has an axially split, central sleeve portion adapted to receive the shank of a drill bit and be inserted into the chuck together with the drill bit so as to be fixable, for operation, without requiring a conventional radial clamp screw. The sleeve portion may be provided on conventional hole saw bodies as well.

REFERENCES:
patent: 1233613 (1917-07-01), Schreurs
patent: 3360025 (1967-12-01), Gallo, Jr.
patent: 3647310 (1972-03-01), Morse
patent: 4413937 (1983-11-01), Gutsche

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