Photographic film package with lens
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 12, 2000
Grant Date -
N/A
app pub date -
May 12, 1999
filing date -
Dec 4, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photographic film packaging unit (1) which is provided with a lens (2) and which comprises at least one device for making an exposure, and which comprises a light-tight film housing on which the taking lens (2) is mounted, a film cartridge (10) which is enclosed in the light-tight film housing and which contains an empty spool (13), and a rolled up film (12), one end of which is attached to the spool core of the empty spool (13), wherein the film packaging unit (1) contains a motive spring (14) which is tensioned before being put into operation and which acts on the empty film cartridge (10) so that after each exposure the motive spring is released to such an extent that the film (12) is wound into the film cartridge by one frame and the shutter is made ready for release again, is distinguished by its particular convenience of operation.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully