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:
Jun. 16, 1981
Filed:
Aug. 01, 1979
Helmut Philipp, Eckrath-Unterbach, DE;
Jagenberg Werke Aktiengesellschaft, Dusseldorf, DE;
Abstract
A suction braking apparatus for the braking and overlapping of sheets coming from a duplex crosscutter is provided which has a single suction chamber and can be quickly changed over to accommodate sheets of a different width. The suction chamber is provided with two groups of suction holes arranged in a row in the direction of travel of the sheets and has cover plates perforated in register therewith and each has a perforated control belt. Each group of suction holes has associated therewith a cover slide which is movable at a right angle to the direction of sheet travel with the two cover slides reciprocally covering a group of suction holes, starting from one of the two side edges and up to a junction extending in the direction of sheet travel.