Title: Wheel mounted earth moving scraper with pivot in center of pivot axle

Abstract: A wheel mounted earth moving scraper for towing behind a tractor or the like. The scraper mounted on a wheel axle. The scraper characterized by a scraper housing attached to a pivot axle which is pivotally attached to the wheel axle for pivoting the scraper housing transverse to the direction of travel of the scraper so that as the wheels mounted on the wheel axle travel on the ground surface, the scraper housing may be tilted independently of the wheels for levelling, grading, terracing, removing dirt build-up from buildings, tree rows and fences, and digging ditches.

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Inventors: Welch, Rafael J.

Application Number: 886736
Filing Date: 1978-03-15
Publication_date: 1980-02-19
Assignee:
Primary Class(es): 172/799.5 172/384, 172/413, 172/459
Other Classes:
US Patent Ref:

Re26129	Dec, 1966	Pursche	172/413.
2051283	Aug, 1936	Austin	172/413.
2078501	Apr, 1937	Maloon	172/413.
2520266	Aug, 1950	Adams	172/4.
2656776	Oct, 1953	Cox et al.	172/459.
3561538	Feb, 1971	Curlett et al.	172/384.
4055222	Oct, 1977	Runte	172/413.
4081036	Mar, 1978	Yokoyama	172/804.

Other Refs: 13641151101473

May, 1964	FR
Jan, 1968	GB

Primary Examiner: Stouffer, Richard T.
Assistant Examiner:
Attorney: Crabtree; Edwin H.