Earth working – Scraper between front and rear ground supports of vehicle – Specific actuator between frame and scraper
Patent
1978-04-03
1981-03-31
Stouffer, Richard T.
Earth working
Scraper between front and rear ground supports of vehicle
Specific actuator between frame and scraper
37 42VL, E02F 376
Patent
active
042587972
ABSTRACT:
A scraper blade supporting and positioning assembly is used for mounting a scraper blade on a vehicle having an undercarriage frame and a longitudinal axis corresponding to its direction of travel. The assembly comprises a scraper blade and first and second mounting subassemblies. The first mounting subassembly is pivotally connected to the undercarriage frame and includes a hydraulic cylinder for moving and positioning itself about a first pivot axis defined by the pivotal connection to the undercarriage frame. The first pivot axis is oriented substantially parallel to the plane of the undercarriage frame and substantially perpendicular to the longitudinal axis of the vehicle. The second mounting subassembly is rigidly connected to the first mounting subassembly and pivotally connected to the scraper blade. The second mounting subassembly includes a hydraulic cylinder for moving and positioning the scraper blade about a second pivot axis which is defined by the pivotal connection between the scraper blade and the second subassembly. The second pivot axis is substantially parallel to a plane which is perpendicular to the first pivot axis. Pivotal movement of the first subassembly around the first pivot axis causes the second pivot axis to be rotated in a plane substantially perpendicular to the first pivot axis.
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McKenzie Neil D.
Tift Leo R.
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