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. 18, 1978
Filed:
Apr. 19, 1977
Applicant:
Inventors:
Carroll R Cole, Decatur, IL (US);
Robert L Christian, Decatur, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
3712 / ; 37129 ;
Abstract
A scraper has a frame with first and second spaced apart side elements, a bowl, and an ejector system. The ejector system is connected to the bowl and is movable, relative to the bowl, for receiving or removing material into and from the bowl. The ejector system has first and second motors, each connected to opposite sides of the frame at locations outwardly of the first and second side elements. A power means is connected to and positioned between the first and second frame side elements.