US5077567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-sealed camera
Assignee: Pentax Corp
•
Filing: 1990-08-20
•
Granted: 1991-12-31
•
Expires: 2010-08-20
Abstract
Abstract In a water-sealed camera arranged to be watertight except a portion at which a movable lens barrel is located, the water-sealed camera is further arranged to detachably mount a waterproofing lens cover for watertightly covering the movable lens barrel. Thus, the camera can be arranged to be completely watertight irrespective of the presence of the movable lens barrel.
Inventors
- 👤 Keisuke Haraguchi
- 👤 Masahiro Hyakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:12
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
46 words
A water-sealed camera including a predetermined portion arranged to be non-watertight, a lens barrel movable relative to an external cylinder fixed on said water sealed camera, said lens barrel located at said non-water tight predetermined portion, and a cover member for watertightly covering said predetermined portion.
Claim 2
Dependent Claim
46 words
A water-sealed camera including a predetermined portion arranged to be non-watertight, a lens barrel movable relative to an external cylinder fixed on said water sealed camera, said lens barrel located at said non-water tight predetermined portion, and a cover member for watertightly covering said predetermined portion.
Claim 3
Dependent Claim
31 words
The water-sealed camera according to claim 1, wherein said cover member comprises a waterproof lens cover, and further including means for detachably mounting said waterproof lens cover on said water-sealed camera.
Claim 4
Dependent Claim
28 words
The water-sealed camera according to claim 2, wherein said waterproof lens cover comprises a cylindrical portion and a transparent plate secured to a side of said cylindrical portion.
Claim 5
Dependent Claim
40 words
The water-sealed camera according to claim 2, wherein said means for detachably mounting said waterproofing lens cover comprises a screw portion formed on an inner surface of said waterproofing lens cover and another screw portion formed on said external cylinder.
Claim 6
Dependent Claim
36 words
The water-sealed camera according to claim 2, wherein said waterproof lens cover is arranged to be tapered toward the front side of said water-sealed camera when said waterproof lens cover is mounted on said water-sealed camera.
Claim 7
Dependent Claim
67 words
A watertight mechanism adapted to be positioned on a device, said device being arranged to be watertight except for a predetermined portion at which a movable member is located, said movable member being movable relative to an external surface of said device, said watertight mechanism comprising a cover member arranged to be detachably mounted on said device for watertightly covering said predetermined portion and said movable member.
Claim 8
Dependent Claim
67 words
A watertight mechanism adapted to be positioned on a device, said device being arranged to be watertight except for a predetermined portion at which a movable member is located, said movable member being movable relative to an external surface of said device, said watertight mechanism comprising a cover member arranged to be detachably mounted on said device for watertightly covering said predetermined portion and said movable member.
Claim 9
Dependent Claim
63 words
A waterproof cover member for a camera having a generally cylindrical housing movable relative to a camera body, said cover member comprising: a generally cylindrical member adapted to fit over the relatively movable housing; and an annular sealing means at one end of said cylindrical member adapted to mate with a fixed portion of the camera body adjacent to said generally cylindrical member.
Claim 10
Dependent Claim
63 words
A waterproof cover member for a camera having a generally cylindrical housing movable relative to a camera body, said cover member comprising: a generally cylindrical member adapted to fit over the relatively movable housing; and an annular sealing means at one end of said cylindrical member adapted to mate with a fixed portion of the camera body adjacent to said generally cylindrical member.
Claim 11
Dependent Claim
23 words
The waterproof cover member according to claim 7, further comprising a transparent plate secured adjacent the other end of said generally cylindrical member.
References Cited (Backward Citations)
US4994829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-12-30 | 1995-07-01 | 1995-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-30 | 1999-07-01 | 1999-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-30 | 2003-07-01 | 2003-12-31 | $7700.00 | Window Closed / Lapsed |