Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Certex SA
Original Assignee
Certex SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Certex SAfiledCriticalCertex SA
Priority to ES0292861ApriorityCriticalpatent/ES292861A3/en
Publication of ES292861A3publicationCriticalpatent/ES292861A3/en
A photographic shutter, essentially characterized by a diaphragm device composed of a piece in the form of a circular crown provided with an external projection for its manual control capable of describing a certain angle between two stops and whose piece in the form of a circular crown has multiple holes colisos in radial position in each of which is housed a rivet mounted on one end of the pieces that properly make up the diaphragm and which adopt arched structure and which by the other ends can rotate on rivets fixed to a piece in the form of a crown circular that closes the diaphragm device. (Machine-translation by Google Translate, not legally binding)
ES0292861A1963-10-171963-10-17A photographic shutter (Machine-translation by Google Translate, not legally binding)
ExpiredES292861A3
(en)
Improvements in circular boards to make them transformable in boards of a major diameter (Machine-translation by Google Translate, not legally binding)