US4896178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lens-fitted photographic film unit
Assignee: Fujifilm Holdings Corp
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Filing: 1988-10-05
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Granted: 1990-01-23
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Expires: 2008-10-05
Abstract
Abstract A lens-fitted film unit with an electronic flash is provided with a film container cover member covering a film container receiving chamber of a film unit housing which is opened to remove a film container from the film container receiving chamber and a battery cover member covering a battery receiving chamber of the film unit housing. The battery cover member is operationally integrated with the film container cover member so as always to be opened when the film container cover member is opened to remove the film container containing an exposed film from the film unit housing.
Inventors
- 👤 Hiroshi Ohmura
- 👤 Takaaki Kotani
- 👤 Tokuji Sato
- 👤 Tsutomu Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:51
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/04; G03B2219/00; G03B2219/02; G03B2219/04; G03B2219/045
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
154 words
A lens-fitted film unit having a roll of film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said roll of film is wound after exposure and a battery receiving chamber containing a battery for said electronic flash, said film container having an axis perpendicular to said axis of said taking lens; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member covering said battery receiving chamber which is so arranged so as to be opened by opening of said film container cover member; said cover members being mounted on said unit for opening and closing movement about an axis perpendicular to said lens and container axes.
Claim 2
Dependent Claim
154 words
A lens-fitted film unit having a roll of film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said roll of film is wound after exposure and a battery receiving chamber containing a battery for said electronic flash, said film container having an axis perpendicular to said axis of said taking lens; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member covering said battery receiving chamber which is so arranged so as to be opened by opening of said film container cover member; said cover members being mounted on said unit for opening and closing movement about an axis perpendicular to said lens and container axes.
Claim 3
Dependent Claim
26 words
A lens-fitted film unit as defined in claim 1, wherein said film container cover member and said battery cover member are integrally formed as one member.
Claim 4
Dependent Claim
92 words
A lens-fitted film unit as defined in claim 1, wherein said film container receiving chamber and said battery chamber are separable but are connectable to each other, and one of said film container and battery cover members is formed with an engaging member which is engaged by the other of said film container and battery cover members upon said connection of said film container receiving chamber and said battery chamber so as always to open the battery cover member which said film container cover member is opened to remove said film container.
Claim 5
Dependent Claim
20 words
A lens-fitted film unit as defined in claim 3, wherein said engaging member is formed on said battery cover chamber.
Claim 6
Dependent Claim
21 words
A lens-fitted film unit as defined in claim 3, wherein said engaging member is formed on said film container cover member.
Claim 7
Dependent Claim
34 words
A lens-fitted film unit as defined in claim 1, wherein said battery receiving chamber is disposed between said film container receiving chamber and a film roll receiving chamber containing a roll of unexposed film.
Claim 8
Dependent Claim
158 words
A lens-fitted film unit having a film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film, said film container having an axis perpendicular to said axis of said taking lens; an electronic flash housing containing a battery for said electronic flash; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member covering said battery which is so arranged as to be opened by opening of said film container cover member; said cover members being mounted on said unit for opening and closing movement about an axis perpendicular to said lens and container axes.
Claim 9
Dependent Claim
158 words
A lens-fitted film unit having a film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film, said film container having an axis perpendicular to said axis of said taking lens; an electronic flash housing containing a battery for said electronic flash; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member covering said battery which is so arranged as to be opened by opening of said film container cover member; said cover members being mounted on said unit for opening and closing movement about an axis perpendicular to said lens and container axes.
Claim 10
Dependent Claim
151 words
A lens-fitted film unit having a film, a taking lens, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film; an electronic flash housing containing a battery for said electronic flash which is selectively separable from and attachable to said film unit housing; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member separate from said container cover member and closing said electronic flash housing to cover said battery which is so arranged as to be opened by said film container cover member only when said flash is attached to said film unit housing.
Claim 11
Dependent Claim
151 words
A lens-fitted film unit having a film, a taking lens, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film; an electronic flash housing containing a battery for said electronic flash which is selectively separable from and attachable to said film unit housing; a container cover member covering said film container receiving chamber which is opened to remove said film container from said film container receiving chamber; and a battery cover member separate from said container cover member and closing said electronic flash housing to cover said battery which is so arranged as to be opened by said film container cover member only when said flash is attached to said film unit housing.
Claim 12
Dependent Claim
47 words
A lens-fitted film unit as defined in claim 8, wherein one of said film container and battery cover members is formed with an engaging member which is engaged by said battery cover member when said film container cover member is opened to open said battery cover member.
Claim 13
Dependent Claim
20 words
A lens-fitted film unit as defined in claim 9, wherein said engaging member is formed on said battery cover member.
Claim 14
Dependent Claim
21 words
A lens-fitted film unit as defined in claim 9, wherein said engaging member is formed on said film container cover member.
Claim 15
Dependent Claim
108 words
A lens-fitted film unit having a film, a taking lens, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film; an electronic flash housing containing a battery for said electronic flash; and a battery cover member covering said battery, said battery cover member being a part of a wall of said flash housing which is torn off to form an opening in said wall through which said battery is removed.
Claim 16
Dependent Claim
108 words
A lens-fitted film unit having a film, a taking lens, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with a film container receiving chamber containing a film container into which said film is wound after exposure and a roll film receiving chamber containing a roll of unexposed film; an electronic flash housing containing a battery for said electronic flash; and a battery cover member covering said battery, said battery cover member being a part of a wall of said flash housing which is torn off to form an opening in said wall through which said battery is removed.
Claim 17
Dependent Claim
27 words
A lens-fitted film unit as claimed in claim 12, wherein said battery cover member is formed in both of top and bottom walls of said flash housing.
Claim 18
Dependent Claim
31 words
A lens-fitted film unit as defined in claim 12, wherein said battery cover member is provided with a projection to press upon at least one of opposite ends of said battery.
Claim 19
Dependent Claim
24 words
A lens-fitted unit as defined in claim 12, wherein said flash housing has opposed internal projections that press upon opposite ends of said battery.
Claim 20
Dependent Claim
173 words
A lens-fitted film unit having a roll of film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with an unexposed film roll chamber, a film container receiving chamber containing a film container into which said roll of film is wound after each exposure and a battery receiving chamber containing a battery for said electronic flash, said film container having an axis perpendicular to said axis of said taking lens, and said battery receiving chamber being disposed between the front wall of said film unit housing and an exposure station on the one hand, and between said unexposed film roll chamber and said film container receiving chamber on the other hand, and below said axis of said taking lens; and a container cover member covering at least said film container receiving chamber which is opened to remove not only said film container from said film container receiving chamber but also said battery from said battery receiving chamber.
Claim 21
Dependent Claim
173 words
A lens-fitted film unit having a roll of film, a taking lens having an optical axis, exposure means and an electronic flash, said lens-fitted film unit comprising: a film unit housing which is provided with an unexposed film roll chamber, a film container receiving chamber containing a film container into which said roll of film is wound after each exposure and a battery receiving chamber containing a battery for said electronic flash, said film container having an axis perpendicular to said axis of said taking lens, and said battery receiving chamber being disposed between the front wall of said film unit housing and an exposure station on the one hand, and between said unexposed film roll chamber and said film container receiving chamber on the other hand, and below said axis of said taking lens; and a container cover member covering at least said film container receiving chamber which is opened to remove not only said film container from said film container receiving chamber but also said battery from said battery receiving chamber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-22 | 1993-07-24 | 1994-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-22 | 1997-07-24 | 1998-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-22 | 2001-07-24 | 2002-01-23 | $7700.00 | Window Closed / Lapsed |