The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 1977
Filed:
Sep. 30, 1975
James E Gee, Washington, IL (US);
Robert N Stedman, Chillicothe, IL (US);
Caterpillar Tractor Co., Peoria, IL (US);
Abstract
The invention is concerned with an improvement in a tractor drawn scraper wherein the scraper has a bowl with a back, a bottom, two sides and a forward cutting edge and a spreader forward of the cutting edge and supported by forward extensions of the bowl sides. A tractor is provided forward of the spreader for pulling the scraper and means are provided for raising and lowering the forward end of the scraper relative to the tractor. The improved ripper assembly of the present invention comprises a beam suspended generally vertically downwardly from the spreader and forwardly from the bowl, the beam having a plurality of ripper sockets extending laterally from it. Held within the ripper sockets are a plurality of ripper shanks. A plurality of ripper teeth are generally provided proceeding from the ripper shanks. Means are provided for adjusting the vertical separation between the beam and the spreader.