Patent US2023925A successfully refreshed from Google Patents.
US5200775A
Expired / Lapsed
US
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Waterproof camera
Assignee: Pentax Corp
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Filing: 1991-10-17
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Granted: 1993-04-06
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Expires: 2011-10-17
Abstract
Abstract A waterproof camera including a watertight camera body, air bleeding holes formed in the camera body to connect the inside and outside of the camera body, an air permeable and water impermeable filter attached to the air bleeding holes, and a jig guiding projection which guides a filter adhering jig adapted to attach the air permeable and water impermeable filter to the air bleeding holes.
Inventors
- 👤 Hidetaka Yokota
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:40
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
90 words
A waterproof camera comprising: a watertight camera body; at least one air bleeding hole formed in said camera body to connect the inside and outside of said camera body; an air permeable and water impermeable filter attached to said air bleeding hole; and a jig guiding device provided on said camera body which guides a filter adhering jig adapted to attach said air permeable and water impermeable filter to said air bleeding hole, wherein said jig guiding device comprises a guide rib, said guide rib protruding from said camera body.
Claim 2
Dependent Claim
90 words
A waterproof camera comprising: a watertight camera body; at least one air bleeding hole formed in said camera body to connect the inside and outside of said camera body; an air permeable and water impermeable filter attached to said air bleeding hole; and a jig guiding device provided on said camera body which guides a filter adhering jig adapted to attach said air permeable and water impermeable filter to said air bleeding hole, wherein said jig guiding device comprises a guide rib, said guide rib protruding from said camera body.
Claim 3
Dependent Claim
35 words
A waterproof camera according to claim 1, wherein said camera body is provided with a filter supporting portion which is formed by a curved projection, said air bleeding hole extending through said filter supporting portion.
Claim 4
Dependent Claim
25 words
A waterproof camera according to claim 2, wherein a plurality of separate air bleeding holes are provided in said filter supporting portion to extend therethrough.
Claim 5
Dependent Claim
24 words
A waterproof camera according to claim 2, wherein said air permeable and water impermeable filter covers said curved projection of said filter supporting portion.
Claim 6
Dependent Claim
18 words
A waterproof camera according to claim 2, further comprising a protective cover which covers said filter supporting portion.
Claim 7
Dependent Claim
16 words
A waterproof camera according to claim 5, wherein said guide rib is an angular guide rib.
Claim 8
Dependent Claim
41 words
A waterproof camera according to claim 5, wherein said protective cover has a plurality of legs surrounding the guide rib, a circular disc portion opposite said filter supporting portion, and a plurality of connecting grooves defined by and between the legs.
Claim 9
Dependent Claim
18 words
A waterproof camera according to claim 3, wherein said guide rib defines therein a filter adhering surface portion.
Claim 10
Dependent Claim
64 words
A waterproof camera according to claim 8, in combination with a filter adhering jig, wherein said filter adhering jig has a cylindrical body having an annular pressing surface corresponding to said filter adhering surface portion and a filter receiving recess provided within said annular pressing surface to receive the portion of said air permeable and water impermeable filter corresponding to said air bleeding holes.
Claim 11
Dependent Claim
39 words
A waterproof camera according to claim 8, wherein said air permeable and water impermeable filter has an adhesive on a rear surface thereof which can be adhered to said filter adhering surface portion defined in said filter supporting portion.
Claim 12
Dependent Claim
30 words
A waterproof camera according to claim 10, wherein said adhesive is provided only on an outer peripheral portion of said rear surface of said air permeable and water impermeable filter.
Claim 13
Dependent Claim
43 words
A waterproof camera according to claim 11, in combination with a filter adhering jig, wherein said guide rib is an annular guide rib, and wherein said filter adhering jig has an outer diameter smaller than an inner diameter of said annular guide rib.
Claim 14
Dependent Claim
81 words
A waterproof camera comprising: air bleeding holes on which an air permeable and water impermeable filter is to be attached; a guide rib surrounding said air bleeding holes; and a camera body which includes a protective cover corresponding to said air bleeding holes to cover the same, said protective cover having a plurality of legs surrounding said guide rib, a circular disc portion opposed to said air bleeding holes, and a plurality of connecting grooves defined by and between the legs.
Claim 15
Dependent Claim
81 words
A waterproof camera comprising: air bleeding holes on which an air permeable and water impermeable filter is to be attached; a guide rib surrounding said air bleeding holes; and a camera body which includes a protective cover corresponding to said air bleeding holes to cover the same, said protective cover having a plurality of legs surrounding said guide rib, a circular disc portion opposed to said air bleeding holes, and a plurality of connecting grooves defined by and between the legs.
Claim 16
Dependent Claim
28 words
A waterproof camera according to claim 13, wherein said guide rib defines therein an annular filter adhering surface portion between said air bleeding holes and said guide rib.
Claim 17
Dependent Claim
30 words
A waterproof camera according to claim 14, wherein said air permeable and water impermable filter is adhered at an outer peripheral edge thereof to said annular filter adhering surface portion.
References Cited (Backward Citations)
US4931816A
Cited
US5070348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-04-05 | 1996-10-05 | 1997-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-05 | 2000-10-05 | 2001-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-05 | 2004-10-05 | 2005-04-06 | $7700.00 | Window Closed / Lapsed |