Hand-pushed mower
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United States of America Patent
Stats
-
May 29, 2007
Grant Date -
Mar 3, 2005
app pub date -
Oct 6, 2004
filing date -
Feb 24, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hand-pushed mower of which blade height setter is provided with a sphere rolling on the ground, many small spheres holding the sphere as to freely roll, a semi-spherical receiving member forming a gap between an upper spherical face of the sphere to hold the many small spheres in the gap, and a scraping ring frame portion disposed to be parallel to and having a predetermined interval with a lower end edge of the semi-spherical receiving member. The scraping ring frame portion is disposed to be near the surface of the sphere as to scrape foreign matter on the surface of the sphere. A window portion for removing the foreign matter is formed between the lower end edge of the semi-spherical receiving member and the scraping ring frame portion.
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