Drive wheel steering system for lawnmower

Motor vehicles – Steering by driving – Independently operable drive motors

Reexamination Certificate

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Details

C180S019100, C180S019200, C180S019300

Reexamination Certificate

active

07740091

ABSTRACT:
A drive wheel steering system for a lawnmower has a handle bar assembly that is pivotal about a vertical axis to provide directional control of the mower and rotatable about a horizontal axis to provide speed control of the mower. A control bar is operable to set a desired forward speed of the mower via engagement of a cam and the linkage assembly providing directional and speed control for the mower.

REFERENCES:
patent: 2354576 (1944-07-01), Clark
patent: 2766834 (1956-10-01), Boyer
patent: 2818699 (1958-01-01), Clemson
patent: 3190672 (1965-06-01), Swanson et al.
patent: 3336042 (1967-08-01), Southall
patent: 3465841 (1969-09-01), Pulskamp et al.
patent: 3485314 (1969-12-01), Herr
patent: 3891042 (1975-06-01), Braun
patent: 4175628 (1979-11-01), Cornell et al.
patent: 4301881 (1981-11-01), Griffin
patent: 4395865 (1983-08-01), Davis, Jr. et al.
patent: 4538695 (1985-09-01), Bradt
patent: 4558558 (1985-12-01), Horner, Jr. et al.
patent: 4715168 (1987-12-01), Oxley
patent: 4790399 (1988-12-01), Middlesworth
patent: 4874055 (1989-10-01), Beer
patent: 4878339 (1989-11-01), Marier et al.
patent: 4914592 (1990-04-01), Callahan et al.
patent: 4998948 (1991-03-01), Osterling
patent: 5004251 (1991-04-01), Velke et al.
patent: 5131483 (1992-07-01), Parkes
patent: RE34057 (1992-09-01), Middlesworth
patent: 5181579 (1993-01-01), Gilliem
patent: 5388850 (1995-02-01), Simone
patent: 5507138 (1996-04-01), Wright et al.
patent: 5644903 (1997-07-01), Davis, Jr.
patent: 5913802 (1999-06-01), Mullet et al.
patent: 7478689 (2009-01-01), Sugden et al.
patent: 289954 (1965-06-01), None

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