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:
Aug. 06, 1996
Filed:
May. 10, 1994
Rudi Haupenthal, Epfenbach, DE;
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Abstract
Multi-way slide-type shutoff valve for suction air of suction-type grippers on a sheet-transfer drum, including a plurality of closing parts, linearly slidable in a housing for optionally closing air-inlet openings connected to intake ducts of the suction-type grippers, and for closing air-outlet openings connected to a suction-air source through the intermediary of a rotary valve, the closing parts having a cylindrical shape, at least some thereof being arranged adjacent one another and in coaxial alignment, and an operating device for displacing the closing parts, is provided with springs having spring constants coordinated with one another and being disposed at least between the adjacent coaxial closing parts, at least an outer one of the closing parts being connected to the operating device.