Patent ID: 8220558
Filing Date: 2012-07-17
Classification: A01B

Abstract:
1. A turf grader comprising: a plurality of plow blades to plow the ground; a main frame having said plow blades mounted thereto which extend downwardly, said main frame having a vehicle receiving mount for attachment to move the main frame across the ground; a first scraper blade assembly with a first scraper blade pivotally mounted on said frame having a first position to scrape the ground as said main frame is moved across ground and a second position located apart from the ground; a tine assembly movably mounted to said frame and located between said plow blades and said scraper blade to catch debris from the ground plowed by said plow blades, said tine assembly having tines integrally connected together in separate pairs with said pairs each having a spring integrally connecting the tines of each pair together, each spring normally biasing said pair of tines toward the ground but yieldable to allow said pair of tines to move upwardly therefrom; and, a roller frame pivotally mounted to said main frame and having a leveling and pulverizing roller rotatably mounted about an axis of rotation to said roller frame, said roller extending widthwise across said main frame and having a main cylindrical body with an outwardly facing solid surface that extends continuously around said axis of rotation, said roller further has an outer cylindrical mesh wall located outwardly of said outwardly facing surface of said main cylindrical body extending around said axis of rotation, said cylindrical mesh wall has openings extending therethrough to allow dirt to move into said openings with said outer facing surface of said main cylindrical body forming a stop surface limiting movement of said dirt and providing a back-up surface limiting inward movement of said mesh wall limiting damage thereto by external objects.