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. 08, 1994
Filed:
Jan. 16, 1992
Agfa-Gevaert AG, Leverkusen, DE;
Abstract
An arrangement for measuring a thickness of a sheet article during a sheet article transportation, especially for measuring the thickness of an X-ray sheet film in an X-ray cassette loading and unloading device, has a magnet carrier arranged in a spring-biased manner on a sheet article transportation path perpendicularly to one side of the transportation path, a permanent magnet arranged on the magnet carrier near the first side of the magnet transportation path, at least one roller body arranged on the magnet carrier rotatably in a transportation direction of the sheet aarticle, a probe carrier fixedly arranged parallel to a second side of the transportation path opposite to the matnet carrier, a Hall probe arranged on the probe carrier opposite to the permanent magnet, at least one roller body arranged on the probe carrier. The probe carrier has a number of the roller bodies which corresponds to a number of the roller bodies on the magnet carrier. The roller bodies of the magnet carrier and the probe carrier rolling over one another in a plane of the transportation path. A control unit evaluates an output signal of the Hall probe.