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:
Jul. 20, 1976
Filed:
Jan. 15, 1975
Applicant:
Inventors:
Kurt Moldenhauer, Frankfurt am Main, DT;
Heinrich Stolz, Muhlheim am Main, DT;
Assignee:
Hartmann & Braun Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
350274 ; 250233 ;
Abstract
A motor driven light chopper has a cylindrical motor casing with annular stator and rotor and windows in the end faces of the casing with cross bars serving for journalling the rotor shaft which is connected to the rotor by a single spoke. The light chopping diaphragm is releasibly secured to the shaft, on the outside of the casing so that one shutter blade or the like shades the spoke.