| 摘要 |
PURPOSE: A stop pin for connecting an operating rod of a weeder is provided to allow the rod to be easily coupled or separated to or from a pipe joint and to allow a worker to confirm whether the rod is accurately coupled to the pipe joint or not with his naked eye. CONSTITUTION: The weeder comprises an engine, a driving part, first and second operating rods(30,36) containing first and second flexible cables(40,46), respectively, a pipe joint(50) for connecting the first and second operating rods, and a stop pin coupled to the pipe joint. The stop pin comprises a connector containing an elastic member, an operating shaft and an operating knob for coupling/separating the first operating rod to the pipe joint.
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