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. 05, 1980
Filed:
Oct. 20, 1978
Applicant:
Inventor:
Gunter Freiberg, Munich, DE;
Assignee:
AGFA-Gevaert, A.G., Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350255 ; 350287 ; 353 81 ; 353101 ;
Abstract
An objective lens supporting arrangement for microfilm reader. The objective lens is axially movable and at the same time non-rotatably mounted with respect to a holding tube of the arrangement. An adjusting ring is coaxially mounted with respect to the holding tube and rotatable relative thereto. An angular displacement of the adjusting ring relative to the holding tube effects via cam means an axial adjustment of the objective lens for the purpose of focusing it.