Adjustable hole cutting device

Details Adjustable hole cutting device Adjustable hole cutting device

1992-03-16

1993-08-17

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

408185, 408713, B23B 5100

Patent

active

052362906

ABSTRACT:
A circle cutter includes a beam with a central arbor and a pair of tool holders concurrently oppositely adjustable along the beam and having a pair of vertically spaced longitudinal bores carrying screws for engaging cutting members. An extension member engages the tool holder outer face and is detachably attached by screws engaging bores in the extension member and those in the tool holder and used for securing a tool to the extension outer face. A threaded third bore is formed in the extension below the first pair permitting the vertical adjustment of the attached tool.

REFERENCES:
patent: 142133 (1873-08-01), Weicke
patent: 733821 (1903-07-01), Dixon
patent: 1436974 (1922-11-01), Michalczyk
patent: 2225224 (1940-12-01), Landrum
patent: 2906145 (1959-09-01), Morse
patent: 3130610 (1964-04-01), Bogdan
patent: 4135846 (1979-01-01), Nowakowski

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