Operating lever unit for walk-behind working machine

摘要

An operating lever unit (30) for a walk-behind working machine includes an operating lever (50) pivotally disposed adjacent to a grip (18) of a handlebar (16a) for being gripped with a human operator together with the grip, a swing arm (70) pivotally disposed adjacent to the grip for operating an operated member of the walk-behind working machine, and a lock lever (60) pivotally mounted on the operating lever for operation by the human operator to releasably lock the swing arm in position relative to the operating lever. The lock lever includes a lock pin (65) adapted to be engaged with a part of the swing arm when the lock lever is operated by the human operator.