Heavy duty hole saw and arbor assembly

Details Heavy duty hole saw and arbor assembly Heavy duty hole saw and arbor assembly

1975-11-03

1977-07-19

Hinson, Harrison L.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having axial, core-receiving central portion

144 23, B23B 4102, B27M 300

Patent

active

040365603

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 collar and the hole saw are coupled for positively transmitting drive torque from the arbor to the saw. In release position, the drive collar is retracted from the saw and rendered inoperative for quick and easy assembly and disassembly of the saw and arbor.

REFERENCES:
patent: 2349400 (1944-05-01), Beckwith
patent: 2438558 (1948-03-01), Hollander
patent: 2985899 (1961-05-01), Elliot
patent: 3267975 (1966-08-01), Enders
patent: 3784316 (1974-01-01), Bittern

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