A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
280/147
A01B 73/06 (2006.01) A01M 7/00 (2006.01)
Patent
CA 1305983
ABSTRACT OF THE DISCLOSURE In general, the remote control of a caster wheel assembly on a farm implement such as a crop sprayer of the type including a boom rotatable between a transport position and a field position is a complicated operation. In the transport position, the wheel assembly should be fixed, i.e. non-castering and in the field position the wheel assembly should caster freely. A relatively simple apparatus for effecting caster wheel assembly control includes a frame mounted on the boom, a hydraulic cylinder on the frame, and a linkage connected to the piston rod of the cylinder and releasably connected to an arm on the shaft carrying the wheel assembly, whereby initial extension of the piston rod moves the wheel assembly to a turning position, full piston rod extension causes release and thus free castering of the wheel assembly in the field position, and retraction of the piston rod causes re-engagement of the wheel assembly by the linkage to lock the wheel assembly in the transport position. In the turning position, the wheel is at an acute angle with respect to the longitudinal axis of the boom. With such an arrangement the boom can be moved into the field position by moving the implement a relatively short distance of 100 feet, instead of the 200 - 300 yards normally required.
572602
Karchewski John
Brandt Industries Ltd.
Macpherson Leslie & Tyerman Llp
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