Steering control for zero turn radius mower

Details Steering control for zero turn radius mower Steering control for zero turn radius mower

1995-08-30

1997-07-08

Melius, Terry Lee

Harvesters

Motorized harvester

With selective control of drive means

56 112, 180 648, 180 193, A01D 6900, B62D 1104

Patent

active

056449038

ABSTRACT:
A single lever handle control mechanism constrained to pivot about two perpendicular axes to control forward, reverse, speed and steering of the mower. By this constraint to the movement of the lever handle, inadvertent movement of the lever handle is less likely to occur when the mower is bouncing over uneven terrain. Forward or backward movement of the lever handle is constrained about a single transverse axis. Right or left movement of the lever handle about the longitudinal axis effects steering of the mower. The longitudinal axis is constrained to move in a single plane perpendicular to the transverse axis. As an option a second lever handle, constrained as the first lever handle and linked to the first lever handle may be provided for control from a second location. With a lever handle on each side of the operator the mower can be fully controlled with either hand. The lever handle control is most advantageously applied to a zero turn radius riding lawn mower.

REFERENCES:
patent: 4470243 (1984-09-01), Royfield
patent: 4721494 (1988-01-01), Hayashi et al.
patent: 4914592 (1990-04-01), Callahan et al.
patent: 5020308 (1991-06-01), Brown et al.
patent: 5062755 (1991-11-01), Lawrence et al.
patent: 5131483 (1992-07-01), Parkes
patent: 5239810 (1993-08-01), Gugel
patent: 5279376 (1994-01-01), Yang et al.

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