Road structure – process – or apparatus – Apparatus – Tool rotating in horizontal plane
Patent
1987-03-26
1988-11-15
Massie, IV, Jerome W.
Road structure, process, or apparatus
Apparatus
Tool rotating in horizontal plane
51177, E01L 1922, E01L 1942
Patent
active
047845198
ABSTRACT:
A directional control mechanism for a surface working machine. The surface working machine includes a frame that carries at least a pair of rotors each having a vertical rotatable shaft. Surface working means, including a plurality of radially extending blades, is operably connected to the shaft and rotates therewith. Each blade is mounted for tilting movement with respect to the rotor shaft about a horizontal axis and by simultaneously tilting the blades about the respective horizontal axes, the pitch of the blades can be varied. In addition, a second operating mechanism is included for individually tilting the blades of each rotor as the rotor rotates to effect directional control of the machine.
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Letchford John F.
M-B-W Inc.
Massie IV Jerome W.
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