Patent ID: 7891048
Filing Date: 2011-02-22
Classification: A01K,E01H

Abstract:
1. A scraper truck comprising: a powered steerable wheeled vehicle frame defining a longitudinal axis and including a scraper mount; a scraper assembly attached to the wheeled vehicle by the scraper mount, the scraper assembly including a main scraper that is concavely shaped and that extends generally perpendicular to the longitudinal axis; a vacuum system on the vehicle for suctioning material collected by the scraper; and the scraper mount defining a centrally-located vertical pivot axis at a center of gravity of the scraper assembly when in a raised position and the scraper assembly being rotatable about the vertical pivot axis such that upon striking an object toward an end of the scraper the risk of damage is minimized; a biasing mechanism for biasing the scraper toward a centered forwardly-facing position and right and left side scrapers mounted to opposite ends of the main scraper and pivotally movable between extended lateral positions where the side scrapers extend outboard of the opposite ends of the main scraper for collecting debris located outboard of a width of the vehicle, and a retracted position where the side scrapers are positioned in front of the main scraper in overlapped juxtaposed storage positions close to the main scraper to facilitate fast transport with minimal risk of damage.