Mowing cutter unit for mower
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Nov 17, 1992
filing date -
Dec 27, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mowing cutter unit for a mower including a rotary cutter and a stationary cutter coaxially overlapped to each other, the rotary cutter is formed in an approximately polygonal shape in plan view and is formed with recessed cutting portions each being curved in an approximately doglegged shape toward the rotational direction at each vortex portion thereof; and the stationary cutter is formed with projecting cutting portions slidably contacted with respective recessed cutting portions of the rotary cutter on the peripheral edge in such a manner that it is shaped in a loosely circular arc from the cutting base to the cutting leading edge and a crossing angle at which the projecting cutting portion is rubbed with a grass pushing-out portion of the recessed cutting portion is larger than a crossing angle at which it is rubbed with a grass taking-in portion of the recessed cutting portion.
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Cited Art Landscape
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