Road structure – process – or apparatus – Apparatus – Material distribution means
Patent
1990-11-29
1992-06-30
Britts, Ramon S.
Road structure, process, or apparatus
Apparatus
Material distribution means
404101, 404112, E01C 1918, E02B 740, E02B 714
Patent
active
051257645
ABSTRACT:
A surface coating material applying and spreading apparatus comprises a forward and two rear drive wheels, with each of the three drive wheels being driven by a separate hydraulic motor independent of each other. A hydraulic circuit connects the three hydraulic motors of the drive wheels with a hydraulic pump, and communication between the pump and each of the motors is automatically controllable to drive one, two, or all three of the hydraulic motors and their associated drive wheels. The vehicle also comprises a spray bar assembly that is pivotally connected to a frame of the vehicle, and is pivoted to a raised and lowered position relative to the vehicle frame. The vehicle frame also releasably supports interchangeable rotating brush and wiper blade assemblies. The rotating brush assembly is universally pivotable horizontally and vertically from side to side, about the pivot connection to the vehicle frame. An engagement bar provided on the frame of the brush assembly enables simultaneous raising and lowering of both the brush assembly and the sprayer bar assembly. A separate lock on the frame of the sprayer bar assembly enables it to be locked in its raised position. The wiper blade assembly is also pivotally supported from the vehicle frame to be raised and lowered relative to the frame. The blade assembly comprises two pairs of wiper blades that are pivotally supported on a frame of the assembly. A mechanical linkage connecting the two pairs of blades enables each pair of blades to be pivoted relative to each other from side to side.
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Britts Ramon S.
Connolly Nancy P.
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