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:
Feb. 16, 1993
Filed:
Oct. 16, 1991
Applicant:
Inventor:
Harry Madison, Germantown, TN (US);
Assignee:
Harsco Corporation, Wormleysburg, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61F / ;
U.S. Cl.
CPC ...
1052152 ; 105 722 ;
Abstract
A railway guide wheel apparatus attaches to a frame of a road vehicle to allow the road vehicle to travel along rails. The apparatus has a side shift capability where railway wheels of the apparatus may be lowered to engage rails even when the vehicle is offset sideways from the rails. An automatic centering arrangement will center the vehicle relative to the rails after the railway wheels have engaged the rails. Spring cells are used as a suspension to absorb vibration from the railway wheels contacting the rails and to maintain the railway wheels in contact with the rails.