Road structure – process – or apparatus – Apparatus – Tool rotating in horizontal plane
Patent
1988-03-24
1989-08-22
Novosad, Stephen J.
Road structure, process, or apparatus
Apparatus
Tool rotating in horizontal plane
E01C 1922
Patent
active
048591149
ABSTRACT:
An improved directional control mechanism for a riding-type surface working machine. The machine includes a pair of frame sections which are disposed in fore and aft relation. A rotor that carries surface working implements, such as trowel blades, is mounted for rotation on each frame section and an engine is mounted on one of the frame sections and is operably connected to the rotors to drive the rotors in opposite directions. The frame sections are connected together by a mounting arrangement that permits each frame section to be tilted in a fore and aft direction, as well as laterally, with respect to the other frame section. Manually operated levers are connected to each frame section to pivot the frame sections in a fore and aft direction, while a foot pedal is operable to tilt the frame sections laterally. By selective tilting of the frame sections, directional control of the machine can be obtained.
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Letchford John F.
M-B-W Inc.
Novosad Stephen J.
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