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:
May. 12, 1987
Filed:
Jul. 22, 1985
Applicant:
Inventors:
Rudolf Fauerbach, Hilden, DE;
Karl-Erich Partz, Duesseldorf, DE;
Assignee:
Mannesmann AG, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37190 ; 37DI / ; 3714 / ; 299 14 ; 299 67 ;
Abstract
A rotary wheel excavator having scoops with impact cutters only at the two front corners of the cutting edge of each scoop. Structure is provided for vibrating each impact cutter during a predetermined portion of the rotation of the wheel. The left and right hand impact cutters on each scoop are independently controlled, depending on the direction of swing of the excavator boom. The operation of the impact cutters is preferably under the control of a hydraulic system.
Fauerbach, Rudolf. (1987). Scoop wheel having oscillating impact cutters (U.S. Patent No. 4663868). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4663868
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile