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. 17, 1981
Filed:
Nov. 30, 1977
Applicant:
Inventor:
Manfred W Hansen, Dusseldorf, DE;
Assignee:
Sack GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66F / ;
U.S. Cl.
CPC ...
414560 ; 72238 ;
Abstract
A travelling gantry is used for exchanging the working rolls of roll stands. A carriage is mounted on a cross member of the gantry and a roll extraction device with roll receiving rotatable sleeves therein is suspended from the carriage in a vertically adjustable manner. The cross member of the gantry is preferably a box girder of which the lower wall has lateral projections providing guide surfaces engaging in an inverted T-section groove of the carriage.