| 摘要 |
<p>Disclosed herein is a self-propelled aerating device including a chassis having a handle, aerating means for penetrating the ground, and an engine having an idle speed. The device further includes a throttle operatively connected with the engine and movable between a normally idle position for operating the engine at the idle speed and an advanced position for operating the engine at above the idle speed, aerator drive means movable between a normally disengaged position for rendering the aerating means inoperative and an engaged position for drivingly connecting the aerating means with the engine, and control means for moving the aerator drive means from the disengaged position to the engaged position before moving the throttle from the idle position to the advanced position and for moving the throttle from the advanced position to the idle position before moving the aerator drive means from the engaged position to the disengaged position.</p> |
