| 摘要 |
PROBLEM TO BE SOLVED: To ensure a relatively easy and low-cost manufacture and replacement, and a sufficient stability in use. SOLUTION: A tool 20 with a holder 22, preferably, has a securing hole for coupling to a driveshaft 14 drivable in oscillating fashion, and a receiving portion for fixation of a working part 24. The working part 24 has at least two holding portions spaced tangentially to the securing hole. A securing plate 34 is provided, on which safety elements 36 cooperating with the holding portions act removably. The safety elements can secure the working part 24 to the holder 22.
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