| 摘要 |
A limit switch mechanism includes a limit switch disposed in confronting relation to a cam mounted on a switch drive shaft. The limit switch is actuatable by the cam when the switch drive shaft is angularly moved about its own axis through a predetermined angle. The limit switch has a longitudinal axis extending substantially parallel to the axis of the switch drive shaft, and is disposed in the vicinity of the switch drive shaft. The limit switch is actuated by being pushed by a limit switch arm extending from a cam arm actuatable by the cam and located more closely than the cam arm to the switch drive shaft.
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