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:
Nov. 25, 1986
Filed:
Oct. 26, 1984
Sea C Park, Skokie, IL (US);
Other;
Abstract
A single lens reflex camera which can be modified to also function as a mid-format, more sophisticated camera which comprises a main camera body containing a film advancing lever, a film storage shaft and a film advancing shaft which connects with the film advancing lever, the film advancing shaft containing film sprockets which are adapted to engage and advance the film through the camera through the operation of the film advancing lever, a lens system containing a reflecting mirror, a film back attachment housing adapted to be connected to the back of the main camera body, the film back attachment housing changing the film plane from that of a single lens reflex camera to that of a mid-format camera, the film back attachment housing containing a film advancing system for conveyihng 120 mm or 220 mm film across said changed film plane, a gear system providing communication between the film advancing shaft and the film advancing system of the film back attachment housing whereby the film in the film back attachment housing can be advanced across the changed film plane by the operation of the film advancing lever, and an adjustable view finder which is adjustable to accommodate the film planes of both the single lens reflex camera and the mid-format camera, so that the distance from the center of the mirror to the desired film plane is equal to the distance from the center of the mirror to the focusing screen.