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, 1976
Filed:
Sep. 12, 1973
Christian Gotze, Munich, DT;
Adolf Fleck, Munich, DT;
Karl Dreher, Munich, DT;
Gunther Heidrich, Munich, DT;
AGFA-Gevaert AG, Leverkusen, DT;
Abstract
A photographic copying machine wherein the leader of a fresh web of photographic paper is automatically threaded through a copying station and thereupon through one or more additional stations whereby the leader advances along an elongated path which is defined by stationary and pivotable guide members. Each pivotable guide member is movable by an electromagnet between an operative position in which it overlies at least a portion of an opening provided by the adjacent stationary guide member or members and an inoperative position in which the respective opening is exposed. Pivotable guide members are provided at a copying station where the web is exposed to printing light and at a feeding station where the web can form one or more loops in a suitable magazine when the respective pivotable guide member is moved to its inoperative position. One or more pivotable guide members can be yieldably retained in the respective operative positions by elastic or yieldably mounted locking bolts at least one of which can be disengaged from the respective pivotable guide member by an electromagnet or in response to the application of a predetermined force which acts against the respective pivotable guide members in a direction to move it to the inoperative position.