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:
Oct. 24, 1995
Filed:
Oct. 04, 1993
Applicant:
Inventors:
Philip C McCray, Wetumpka, AL (US);
Steven L Atchison, Montgomery, AL (US);
Assignee:
Knox Kershaw, Inc., Montgomery, AL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37105 ; 37207 ; 171 16 ; 172 30 ;
Abstract
A ballast machine for plowing ballast from the outer ends of rail supporting cross ties of a railroad bed. A ballast tie plow assembly is mounted to the frame of the ballast machine for vertical movement thereon. The tie plow assembly includes ballast engaging blades which are disposed for biased, pivotal movement responsive to engagement of the blades with an obstruction on the railroad bed or cross ties. Means are provided for vertical positioning of the tie plow assembly.