Mower suspension system and method

Metal working – Method of mechanical manufacture – Assembling or joining

Reexamination Certificate

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Details

C029S897200, C029S469000

Reexamination Certificate

active

07930813

ABSTRACT:
In some embodiments, the present invention provides a mower including a frame having a front portion and a rear portion, at least one front wheel coupled to the front portion of the frame, and two drive wheels on substantially opposite sides of the rear portion of the frame. Each drive wheel is coupled to the frame by a first link pivotably coupled at one end to the front portion of the frame and at an opposite end to the drive wheel, and a second link pivotably coupled at one end to the rear portion of the frame and at an opposite end to the drive wheel. The mower also includes at least one spring positioned to bias the drive wheels in a downward direction. Each of the drive wheels are movable upward and downward relative to the frame.

REFERENCES:
patent: 2209804 (1940-07-01), Ashley
patent: 2699954 (1955-01-01), Harris et al.
patent: 2978857 (1961-04-01), Smith et al.
patent: 3187821 (1965-06-01), Kamlukin
patent: 3226853 (1966-01-01), Kamlukin
patent: 3243007 (1966-03-01), Berckhan
patent: 3250064 (1966-05-01), Kamlukin
patent: 3472005 (1969-10-01), Profenna
patent: 3527033 (1970-09-01), Teagle
patent: 4159128 (1979-06-01), Blaine
patent: 4787646 (1988-11-01), Kamlukin et al.
patent: 5048853 (1991-09-01), Trefz et al.
patent: 5288091 (1994-02-01), Deschamps
patent: 5531466 (1996-07-01), Hayashi
patent: 5887671 (1999-03-01), Yuki et al.
patent: 5946893 (1999-09-01), Gordon
patent: 6085508 (2000-07-01), Miatt et al.
patent: 6449933 (2002-09-01), Umemoto et al.
patent: 6454041 (2002-09-01), Ishimori et al.
patent: 6460318 (2002-10-01), Ferris et al.
patent: 6698172 (2004-03-01), Ferris et al.
patent: 6857254 (2005-02-01), Melone et al.
patent: 7107746 (2006-09-01), Melone et al.
patent: 7152389 (2006-12-01), Melone et al.
patent: 7374187 (2008-05-01), Melone et al.
patent: 7503161 (2009-03-01), Mizukawa et al.
patent: 7722063 (2010-05-01), Dieziger
patent: 2008/0258418 (2008-10-01), Christensen
patent: 2009/0100817 (2009-04-01), Godfrey
patent: 2010/0011732 (2010-01-01), Melone et al.

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