Hole saw assembly

Details Hole saw assembly Hole saw assembly

B - Operations, Transporting

27

B

143/18

B27B 33/18 (2006.01) B23B 51/04 (2006.01)

Patent

CA 1077807

-1- Abstract: A drive collar is non-rotatably mounted for sliding movement on an arbor between working and release positions, In working positions, 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.

320360

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