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:
Dec. 03, 1996
Filed:
Mar. 07, 1995
Ernst Braun, Essen, DE;
Gert Braun, Essen, DE;
DBT Deutsche Bergbau-Technik GmbH, Wuppertal, DE;
Abstract
A horizontally extending guide rail has an upwardly open slot and a mining machine is displaceable longitudinally along the guide rail and has a drive wheel with teeth engageable into the slot. A drive chain rides in the slot and has horizontal links and vertical links alternating with the horizontal links and each formed with a horizontal lower shank having ends, a horizontal upper shank having ends above the ends of the respective lower shank and forming an upwardly open pocket dimensioned to receive a tooth of the drive wheel, and a pair of horizontally spaced and vertically extending bights connecting the ends of the upper shank to the ends of the respective lower shank. The bights pass through the horizontal links flanking the respective vertical link.