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:
Dec. 26, 1989
Filed:
Dec. 02, 1987
Applicant:
Inventor:
Harold A List, Bethlehem, PA (US);
Assignee:
Railway Engineering Associates, Inc., Bethlehem, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61D / ;
U.S. Cl.
CPC ...
105167 ;
Abstract
A vehicle truck embodying articulated subtrucks or steering arms having a plurality of wheelsets, with steering arm interconnections establishing coordinated steering motions of the wheelsets, the truck also having elastic restraining devices for stabilizing steering and other motions of the wheelsets and still further having linkage interrelating relative lateral motions of the truck and body of the vehicle. A method and structure is provided for adapting or 'retrofitting' existing truck structures in a manner to embody the steering and stabilizing characteristics.