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. 10, 1981
Filed:
Apr. 21, 1980
Applicant:
Inventors:
James J Alex, Haverhill, MA (US);
June C Fichter, Canton, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03D / ;
U.S. Cl.
CPC ...
354304 ;
Abstract
A self-developing camera back is provided with a film processing assembly that is removably received in a recess within a camera back housing and is releasably retained therein by a slidable retaining member that also functions as a film unit guide. The processing assembly includes a support frame, a pair of bearing block assemblies supporting a pair of pressure-applying rollers, a movable edge control bar and a spring assembly for retaining the bearing block assemblies and edge control bar in corresponding support frame receiving channels and for applying biasing forces to one of the rollers and the edge control bar.