B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 3/12 (2006.01)
Patent
CA 2712144
A working tool adapted for use with an oscillating tool includes a hole defining a longitudinal axis and has a plurality of bulges which depart from the longitudinal axis by a radial distance. Each of the bulges has two flanks that extend inwardly towards the longitudinal axis and which are connected with each other at a recess portion that is formed between every adjacent two of the bulges. An arc portion of one of the bulges has a length which is unequal to a length of an arc portion of the other one of the bulges. By arranging bulges with unequal arc lengths in the hole of the working tool, the working tool can be mounted to different oscillating tools at multiple angles and, by decreasing the number of the bulges, contact between the bulges and an output shaft of the oscillating tool reduces wear and increases the service life of the output shaft.
Chen Zhiguo
Zhang Baijun
Zhang Jiyu
Chervon Limited
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
LandOfFree
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