| 摘要 |
SINGLE ACTION WHEEL HEIGHT ADJUSTER In a lawnmower including a housing and wheels for supporting the housing from a ground surface, a wheel height adjusting mechanism including a crank arm associated with each wheel, the crank arms being coupled together for the conjoint movement thereof, the coupling including a shaft mounted from the housing for rotation about its axis, the improvement comprising a gear secured to the shaft for rotation therewith, a plunger supported from the housing so as to be movable between a first position interfering with the gear means and a second non-interfering position, and a spring biasing the plunger to the first position. The plunger may be trigger operated, and the trigger associated with a deck mounted handle. A safety flap may be mounted from the shaft to maintain a relatively constant height from the ground as the wheel height is adjusted. |
