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. 30, 1982
Filed:
Oct. 12, 1979
Applicant:
Inventors:
Karl-Heinz Ecker, Erkelenz, DE;
Karl-Heinz Wahl, Erkelenz, DE;
Assignee:
Wirth Maschinen-und Bohrgerate-Fabrik GmbH, Erkelenz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ; B21B / ;
U.S. Cl.
CPC ...
72160 ; 72239 ;
Abstract
Apparatus for interchangeable mounting of rollers, comprising a roller unit having a shaft or axis with at least one roller arranged thereon and having two end members, a frame with a holder into which the roller unit is insertable from above, and lifter elements provided in or on the frame and by means of which the roller unit is displaceable between an operative position in which it is supported in the frame by supporting bearer members and a raised interchanged position in which it is removable from the frame.