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. 06, 1976
Filed:
Dec. 05, 1974
Franz Auth, Bischofsheim, DT;
Walter Spahn, Frankfurt am Main, DT;
Messer Greisheim GmbH, Frankfurt am Main, DT;
Abstract
A transportation device for conveying large volume and heavy goods to be cooled in cooling tunnels is characterized by a stationary grate mounted to the tunnel floor with supports for this grate located at intervals with respect to each other parallel to the direction of conveyance, and a movable grate having its supports disposed between the supports of the stationary grate with the movable grate driven in a closed curve or loop in a vertical plane parallel to the direction of conveyance in such a manner that the supporting surfaces of the movable grate are substantially above the supports of the stationary grate when moved in the conveying direction but are substantially below the supports of the stationary grate when moved against the direction of conveyance.