Combination hole saw arbor

Details Combination hole saw arbor Combination hole saw arbor

1975-11-06

1976-12-28

Simpson, Othell M.

Joints and connections

Selectively assembled, e.g., convertible, etc.

144 23, 279 7, 408226, 408204, F16D 106, B23B 3144

Patent

active

039998690

ABSTRACT:
An arbor is provided for use with different size power tool chuck jaws and has a main body section of enlarged cross section relative to a shank of the arbor. The shank and main body section have a plurality of grooves therein with each groove longitudinally extending the length of the shank and into the adjoining main body section to define a continuous chuck jaw engaging surface which in the main body section of the arbor is of enlarged circumferential dimension relative to that of the shank drive surface for engaging different size chuck jaws in non-slipping positive driving relation.

REFERENCES:
patent: 1209362 (1916-12-01), Turner
patent: 3609056 (1971-09-01), Hougen
patent: 3647310 (1972-03-01), Morse

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