Hole saw assembly

Details Hole saw assembly Hole saw assembly

1978-01-27

1979-04-10

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axial, core-receiving central portion

408206, 408703, B23B 4102

Patent

active

041485939

ABSTRACT:
A drive collar is non-rotatably mounted for sliding movement on an arbor between working and release positions. In working position, the drive collar is disposed adjacent the base of a hole saw which is threadably mounted on an end of the arbor, and the drive collar has a pair of drive pins projecting into holes in the base of the hole saw for positively transmitting drive torque from the arbor to the saw. The drive pins have a reverse taper to urge the drive collar toward the base of the hole saw.

REFERENCES:
patent: 3973862 (1976-08-01), Segal
patent: 4036560 (1977-07-01), Clark

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