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. 03, 1981
Filed:
Mar. 01, 1979
Applicant:
Inventors:
David J Roldness, San Diego, CA (US);
Thomas H Watson, Bonita, CA (US);
Gary D Wonacott, San Diego, CA (US);
Assignee:
Pullman Incorporated, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60P / ; B61D / ; B61D / ; F16F / ;
U.S. Cl.
CPC ...
410 27 ; 14 161 ; 105370 ; 105375 ; 267162 ; 404-1 ;
Abstract
An operating mechanism for a hinged deck portion of a vehicle-carrying auto-rack railway car utilizing a first-class lever to counterbalance the deck end portion. A spring load is provided by a Belleville spring pack of novel, compact construction which has a substantially constant spring-force versus deflection curve such that manual manipulation of the hinged deck by operating personnel is facilitated during loading and unloading of the auto-rack car.