Patent ID: 7401657
Filing Date: 2008-07-22
Classification: A01B,A01K,E02F,Y02A

Abstract:
1. A ground scraper comprising: a. a pair of parallel frame rails, said frame rails further comprising a left-hand side frame rail and a right-hand side frame rail; b. means for maintaining said parallel relationship of said pair of frame rails, said means for maintaining said parallel relationship of said pair of frame rails further comprising a transverse front frame member fixed to a front end of each of said pair of parallel frame members and a rear transverse brace fixed to a back end of each of said parallel frame rails with said pair of frame rails and said transverse front frame member and said rear transverse brace forming a box frame; c. a scraper connected to said frame rails lying between said frame rails, wherein said scraper further comprises a scraper blade attached to said ground scraper and a double-acting scraper blade left-side hydraulic ram connected at one end to said scraper blade and at another end to said left-hand side frame rail and a double-acting scraper blade right-side hydraulic ram connected at one end to said scraper blade and at a second end to side right-hand side frame rail, whereby extending said double-acting scraper blade left-side hydraulic ram and said double-acting scraper blade right-side hydraulic ram drives said scraper blade deeper into the ground and retracting said double-acting scraper blade left-side hydraulic ram and said double-acting scraper blade right-side hydraulic ram draws said scraper blade to a shallower depth in the ground d. means for raising or lowering said scraper; e. means for raising or lowering said frame rails; and f. means for increasing or decreasing the weight loaded onto said ground scraper.