Hand-pushed mower

Details Hand-pushed mower Hand-pushed mower

2007-05-29

2007-05-29

Will, Thomas B. (Department: 3671)

Harvesters

Motorized harvester

Including cutter yieldably mounted on its drive means

C056S017100, C056S017200, C016S025000, C016S026000

Reexamination Certificate

active

10958375

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.

REFERENCES:
patent: 1053895 (1913-02-01), Algermissen
patent: 1440641 (1923-01-01), Stevens
patent: 2779965 (1957-02-01), Schilberg
patent: 3456281 (1969-07-01), Lowry
patent: 4402108 (1983-09-01), Pannwitz
patent: 4603999 (1986-08-01), Laditka
patent: D347368 (1994-05-01), Gedert
patent: 5459985 (1995-10-01), Gedert
patent: 5467584 (1995-11-01), Boyles
patent: 6871484 (2005-03-01), Sartain
patent: 2005/0060840 (2005-03-01), Polevoy et al.
patent: 11-127654 (1999-05-01), None

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