B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
180/12, 180/13,
B62D 1/28 (2006.01) B62D 7/02 (2006.01)
Patent
CA 1193553
DRIVABLE, STEERABLE PLATFORM FOR LAWNMOWER AND THE LIKE ABSTRACT OF THE DISCLOSURE A drivable, steerable platform for a lawnmower and the like is disclosed in which a frame member is generally disposed in a frame member plane parallel to the terrain upon which the platform is to travel. Mounted on the frame member are 3+N wheel assemblies, N = 0, 1, 2, .... Each wheel assembly includes support structure rotatably connected to the frame member such that the support struc- ture rotates about an axis substantially perpendicular to the frame member plane. A wheel member is rotatably mounted on each support structure such that the wheel member rotates in a wheel rotation plane about an axis substantially parallel to the frame member plane. The wheel rotation planes of each of the 3+N wheel members are disposed substantially parallel to each other and substan- tially perpendicular to the frame member plane. First drive structure is included to drive the wheel member about its axis of rotation, and first steering structure is included to rotate the support structure about its axis of rotation. A first endless belt is coupled to the 3+N first drive structures to rotate each of the 3+N wheel members substantially in synchronism. A second endless belt is coupled to the 3+N first steering structures to rotate the 3+N support structures substantially in syn- chronism. A driving device is included, as is first and second clutch structures to selectively couple the driving device to the first and second endless belts, respectively. Control circuitry is disclosed to selectively operate the platform.
421806
Falamak Reza
Meredith & Finlayson
LandOfFree
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