Lens-fitted photo film unit and cassette for photo film

Details Lens-fitted photo film unit and cassette for photo film Lens-fitted photo film unit and cassette for photo film

2006-03-07

2006-03-07

Mahoney, Christopher E (Department: 2851)

Photography

Disposable or recyclable camera

C396S512000, C396S538000

Reexamination Certificate

active

07010222

ABSTRACT:
A lens-fitted photo film unit contains a photo film cassette, which includes a spool for winding the photo film in a roll form thereabout. A body tube contains the photo film and the spool in a rotatable manner, has a first end with a first end opening, and a second end with a second end opening. A first end cap closes the first end opening, and has an outer diameter d1. A second end cap closes the second end opening, has an outer diameter d2, and satisfies a condition of:in-line-formulae description="In-line Formulae" end="lead"?d2<d1.in-line-formulae description="In-line Formulae" end="tail"?To contain the cassette, a cassette holder chamber in the lens-fitted photo film unit has a size corresponding to that of the cassette.

REFERENCES:
patent: 5245376 (1993-09-01), Takahashi
patent: 5408288 (1995-04-01), Ogura et al.
patent: 5435500 (1995-07-01), Shibata
patent: 5721961 (1998-02-01), Kameyama
patent: 6249646 (2001-06-01), Chen

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