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. 29, 1981
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 ...
B21B / ;
U.S. Cl.
CPC ...
72239 ;
Abstract
A roller block comprising a frame, a carriage vertically displaceable relative to the frame and having upwardly open or openable holders for the two ends of a roller unit which has a horizontal shaft or axis with at least one roller arranged thereon, and two bearers displaceable between a lowered position and a raised effective position, wherein the upper ends of the bearers form or are provided with bearing members for end members of the roller unit, which bearers are retainable in the raised position thereof independently of the carriage.