Patent ID: 7077216

Claim:
An earth working scraper comprising: a scraper blade for scraping earth from a ground surface; a receiving area located proximate the blade for receiving earth scraped from the ground surface by the blade; a rotatable axle for providing movement of the scraper to allow the blade to scrape the earth, the axle connected with respect to the blade and receiving area; and a track apparatus connected with respect to the rotatable axle, the track apparatus including: a continuous flexible track having an upper length and a ground-engaging lower length and including an inner surface; an axle wheel mountable to the rotatable axle for rotational movement therewith, the axle wheel engaging the inner surface of the flexible track along the upper length to drive the flexible track in response to rotation of the axle; and a frame for mounting the axle wheel, wherein the scraper has a first end adapted for attachment to a second scraper and a second end including the rotatable axle, the second scraper being independently powered or towed by a prime mover.