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:
Mar. 11, 2003
Filed:
Aug. 16, 2001
Rüdiger Grimmel, Netphen, DE;
SMS Demag Aktiengesellschaft, Düsseldorf, DE;
Abstract
A detachable connection of first and second hollow shafts having first and second end faces is provided by axially insetting the first and second end faces into one another, wherein the first end face has an inner annular flange and the second end face has an outer annular flange. The annular flanges overlap one another when inserted. The inner annular flange has several radially displaceable locking bolts. The locking bolts have first locking bolt ends facing the outer annular flange and second locking bolt ends threadedly guided in the inner annular flange. The outer annular flange has locking bushings for the locking bolts. The locking bolts have a central circumferential pinion having teeth. The inner annular flange has a rotary ring with lateral teeth meshing with the circumferential pinions. The first locking bolt ends have receptacles for a rotary tool for rotating the locking bolts about the bolt axis.