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. 20, 1977
Filed:
Mar. 04, 1977
Ludger Ottenhues, Riesenbeck, DT;
Willi Meyer, Ibbenburen, DT;
Windmoller & Holscher, Lengerich, DT;
Abstract
In an intaglio printing press where the impression cylinder is provided with two journals for mounting it in the frame of the press, the journals being operatively connected to respective screw-threaded spindles which are adjustable in unison or independently, apparatus for applying and withdrawing the impression cylinder to and from the plate cylinder comprises first and second rotatable nuts mounted on each spindle, the two nuts on each spindle being coupled for co-rotation. A hand wheel is operatively connected to said first nut to apply same to a respective abutment surface that is fixed with respect to the frame. A piston-cylinder unit is operatively connected to each said second nut to lift and lower same, the psiton-cylinder unit being supplied with pressure medium through independent fine control valves.