| 摘要 |
A cultivating tool for a soil cultivating machine includes a holder adapted to be mounted on a rotatable shaft and having a generally U-shaped channel receiving a working implement. A pin is disposed in the channel, and the implement has a hook which receives the pin. Cooperable retainers in the channel and on the implement are cooperable for retaining the implement in the channel, the implement being mountable on the holder by hooking the hook on the pin and effecting engagement between the retainers, the implement being demountable from the holder by disengaging the retainers from the implement and unhooking the hook from the pin.
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