B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
143/18
B27B 33/18 (2006.01) B23B 51/04 (2006.01)
Patent
CA 1049901
ABSTRACT OF THE DISCLOSURE A drive collar is non-rotatably mounted for slid- ing movement on an arbor between working and release posi- tions. 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.
264351
Clark Calvin M.
D'attilio Americo P.
LandOfFree
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