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:
Apr. 01, 1980
Filed:
Apr. 12, 1979
Jack E Gutridge, Dyer, IN (US);
Pullman Incorporated, Chicago, IL (US);
Abstract
A rail vehicle is disclosed for use on an elevated electric rail system having a lower rail below the vehicle and an upper rail above the vehicle. The vehicle includes a pair of lower wheels having independently rotatable flanges rollably carrying a vehicle cab along the lower rail and an upper wheel having independently rotatable flanges rollably engaging the upper rail. Electric motors, energized through contacts carried on the vehicle by an electric circuit associated with the upper rail, are drivingly connected through drive belts to the respective lower wheel to propel the vehicle along the rail system. The vehicle also includes a clamping rail brake carried by a vehicle which is engagable on the lower rail, and a vertically and laterally extendable servo system secured to the vehicle and carrying the upper wheel.