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.

Date of Patent:
Apr. 18, 1989

Filed:

Mar. 25, 1988
Applicant:
Inventors:

Hideaki Kataoka, Tokyo, JP;

Ashita Murai, Tokyo, JP;

Akira Haishi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 86 ; 354288 ;
Abstract

An instant camera equipped with a pressure plate for pressing against a stack of instant film units contained in a film pack to press the foremost film unit against the exposure opening frame of the film pack so as to place and hold that foremost film unit flat in the focal plane of the taking lens. A pressure relieving mechanism relieves pressure from the stack of instant film units at a predetermined time, so as to allow the foremost instant film unit to be withdrawn with reduced friction force from the film pack. To do this, the pressure relieving mechanism temporarily presses rearwardly against the pressure plate.


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