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. 30, 1981
Filed:
Apr. 05, 1979
Sandor Meszaros, Budapest, HU;
Gabriella Kirchner, Budapest, HU;
Janos Balzer, Budapest, HU;
Karoly Wild, Budapest, HU;
Medicor Muvek, Budapest, HU;
Abstract
A film changer for X-ray equipment or the like comprises a storage cassette for a stack of unexposed films and a receiving cassette for exposed films on opposite sides of an illumination stage. The two cassettes have sidewalls with open-ended horizontal guide grooves bounded from above by ledges with beveled undersides and flat upper surfaces supporting the respective stacks, these grooves being aligned with other grooves in a guide track flanking the exposure position to define therewith a planar transport path for a film extracted from the storage cassette and inserted after exposure into the receiving cassette. The extraction is effected by a separating unit with two elastic arms which frictionally grip the underside of the lowermost film in the storage cassette adjacent its lateral edges and are then moved toward each other to draw that film off its supporting ledges as it curves downward at the center; after the remainder of the stack has descended with the next-higher film coming to rest on the ledges, the arms again move apart to let the film snap into the guide grooves of the storage cassette from which it is then advanced through the illumination stage into the guide grooves of the receiving cassette for subsequent elevation above their upper ledges by a cam-operated thruster.