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. 05, 1991
Filed:
Jun. 07, 1989
Thomas F Kealey, Chicago, IL (US);
Harry O Wicks, El Paso, TX (US);
Gary D Christen, Merrillville, IN (US);
Richard L Jones, Bloomingdale, IL (US);
Kenneth E Combs, Homewood, IL (US);
The Chamberlain Group, Inc., Elmhurst, IL (US);
Abstract
A novel ramp system is provided for use in the assembly and disassembly of intermodal highway trailers and intermodal railtrucks for intermodal transportation. The ramp system has an ascending portion for raising the level of the trailer frame onto an elevated portion of the ramp so as to align the respective coupling members in proper relationship for coupling. The ramp system also has a descending portion for transferring the load from the highway wheel assembly of the trailer to the railtruck. The descending portion of the ramp includes a wheel stop to locate the railtruck in an operative location for coupling beneath the trailer during lowering of the trailer frame on top of the railtruck adapter.