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:
Jul. 02, 2019
Filed:
Nov. 29, 2016
Standard Car Truck Company, Rosemont, IL (US);
Andrew J. Morin, Mokena, IL (US);
Ronald D. Golembiewski, Chicago, IL (US);
Standard Car Truck Company, Rosemont, IL (US);
Abstract
A railroad car truck including a first side frame, a second side frame, a bolster, and a first plurality of warp restraints, each first warp restraint configured to reduce, inhibit, or minimize warping of the bolster relative to the side frame, and in one embodiment including a first inner bearing race at a first end of the bolster, a second opposing outer bearing race at the first side frame, and a roller positioned in a channel formed by and between the first and second opposing bearing races, and a second plurality of warp restraints, each second warp restraint including a first inner bearing race at a second end of the bolster, a second opposing outer bearing race at the second side frame, and a roller positioned in a channel formed by and between the first and second opposing bearing races.