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:
Nov. 28, 1989
Filed:
Sep. 12, 1988
Applicant:
Inventor:
John B Whitaker, Jr, Wetumpka, AL (US);
Assignee:
Kershaw Manufacturing Company, Inc., Montgomery, AL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01B / ;
U.S. Cl.
CPC ...
3719 / ; 37104 ; 299 63 ; 198526 ; 198716 ;
Abstract
A railroad undercutter economizes both weight and space requirements through the use of a single continuous chain which carries ballast from beneath a railroad track to a track supported conveyor with the chain entering beneath and exiting from beneath the track on the same side and turning through a vertical arc of approximately 130.degree. to move above the track.