Earth scraper with track apparatus

Earth working – Towed scraper with ground support wheels

Reexamination Certificate

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Details

C172S684500

Reexamination Certificate

active

07077216

ABSTRACT:
An earth working scraper for use removing and transporting earth is disclosed. The scraper includes a scraper blade for scraping earth from a ground surface, a receiving area located near the blade for receiving earth scraped from the ground surface by the blade, a rotatable axle for providing transportation of the scraper connected with respect to the blade and receiving area, and a track apparatus connected with respect to the rotatable axle. The track apparatus may include 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.

REFERENCES:
patent: 1853308 (1932-04-01), Humphreys et al.
patent: 1852197 (1932-12-01), Wilson
patent: 1922357 (1933-06-01), Divney et al.
patent: 3689123 (1972-09-01), Barbieri
patent: 3841424 (1974-10-01), Purcell et al.
patent: 3888132 (1975-06-01), Russ, Sr.
patent: 3931687 (1976-01-01), Johns, Jr.
patent: 3991493 (1976-11-01), Orth
patent: 4055007 (1977-10-01), Johnson
patent: 4207691 (1980-06-01), Hyler et al.
patent: 4225186 (1980-09-01), Stratton
patent: 4448273 (1984-05-01), Barbieri
patent: 4553790 (1985-11-01), Boggs
patent: 4704812 (1987-11-01), Paramore, Jr.
patent: 5005921 (1991-04-01), Edwards et al.
patent: 5018591 (1991-05-01), Price
patent: 5240084 (1993-08-01), Christianson
patent: 5452949 (1995-09-01), Kelderman
patent: 5555944 (1996-09-01), Kimoto
patent: 5607210 (1997-03-01), Brazier
patent: 5794714 (1998-08-01), Brown
patent: 5829848 (1998-11-01), Kelderman
patent: 5899543 (1999-05-01), Lykken et al.
patent: 5946831 (1999-09-01), Wilson, Sr. et al.
patent: 5954148 (1999-09-01), Okumura et al.
patent: 6000847 (1999-12-01), Close et al.
patent: 6032389 (2000-03-01), Perry et al.
patent: 6033044 (2000-03-01), Brinkrolf
patent: 6062662 (2000-05-01), Witt
patent: 6068353 (2000-05-01), Juncker et al.
patent: 6074025 (2000-06-01), Juncker et al.
patent: 6112828 (2000-09-01), Leal
patent: 6318484 (2001-11-01), Lykken et al.
patent: 6543862 (2003-04-01), Kahle et al.
patent: 6557953 (2003-05-01), Kahle et al.

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