Angle-tilt-pitch mechanism for dozer blade
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United States of America Patent
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-
Apr 30, 1991
Grant Date -
N/A
app pub date -
Feb 20, 1990
filing date -
Feb 20, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved mechanism for connecting a ground-engaging blade to the frame of a vehicle is disclosed which allows the blade to tilt, pitch or angle relative to the frame. The disclosed arrangement includes a pair of hydraulic cylinders which control the tilting or pitching of the blade and a single hydraulic cylinder which controls the angling of the blade. The cylinders are all pivotally connected to an intermediate member which is pinned to the blade and guided through an arc on the frame by a guide bar formed on the frame. A single hydraulic circuit is disclosed which powers the pair of hydraulic cylinders to pitch or tilt the blade relative to the frame. The resulting arrangement is both simplified and relatively stable when compared to prior art structures.
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