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:
Jan. 09, 1990
Filed:
Feb. 04, 1988
Graham L Hodgetts, Mars, PA (US);
Rolflor Industries, Inc., Warrendale, PA (US);
Abstract
A freight container and trailer combination for transporting the container over land is provided with a self-contained automatic system for unloading the container. A load-supporting belt extends along the floor of the container from a wind-up roll at the forward end of the container. The trailer has a drive drum suspended beneath the back end thereof, and the belt be attached to the drive drum through securing straps. When operated, the drive drum pulls on the belt to move a load out of the container. A drive mechanism is provided at the front end of the trailer for engaging the wind-up roll and rewinding the belt thereon when the container has been unloaded.