| 摘要 |
<p>A self-cleaning attachment for a rotary mover has a carrier member (26) supporting a flexible, a linear element (25) radially spaced from the rotational axis of the blade at a level above the blade so the element rotates near the underside of the mower housing defining a narrow upper chamber where air pulses are concentrated to maintain the underside of the housing relatively clean of build-up. The carrier may have a plurality of elements in equally spaced relationship, the structure of which is such that the outer tips are supported above the blade when idle, and the inertial mass is low compared to the rotating mass of the blade such that there is relatively little rotational effect as the elements become worn. The attachment is retrofittable to existing mowers without causing appreciable power loss or degrading the blade stopping capability below ANSI standards for residential lawn mowers.</p> |
