US4456357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release operation device for camera
Assignee: Canon Inc
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Filing: 1982-09-21
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Granted: 1984-06-26
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Expires: 2002-09-21
Abstract
Abstract A fixing member having a screw part to be attached to the cable release mounting screw hole of a release button of a camera and a cover member made of an elastic material are unified into one body and are arranged to be attachable to and detachable from the cable release mounting part of the release button.
Inventors
- 👤 Akio Sunouchi
- 👤 Masahisa Fujino
- 👤 Ryuji Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:58
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/38
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
127 words
A release operation device for a camera, comprising: a release button movable by external operation thereof, said release button having a cable release mounting screw hole; a receiving member for receiving said release button, said receiving member having a void part which is provided for movement of the said release button and a counter-sunk part which permits actuation of said release button from outside; and a cover member mounted on said mounting screw hole, said cover member being arranged to cover the mounting screw hole and the counter-sunk part to prevent water from entering the inside of the camera through the mounting screw hole and the counter-sunk part, the end part of said cover member being arranged to be in contact with said release button receiving member.
Claim 2
Dependent Claim
127 words
A release operation device for a camera, comprising: a release button movable by external operation thereof, said release button having a cable release mounting screw hole; a receiving member for receiving said release button, said receiving member having a void part which is provided for movement of the said release button and a counter-sunk part which permits actuation of said release button from outside; and a cover member mounted on said mounting screw hole, said cover member being arranged to cover the mounting screw hole and the counter-sunk part to prevent water from entering the inside of the camera through the mounting screw hole and the counter-sunk part, the end part of said cover member being arranged to be in contact with said release button receiving member.
Claim 3
Dependent Claim
33 words
A device according to claim 1, wherein said cover member comprises an elastic member and a fixing member having a mounting part which is arranged to be attached to said mounting screw hole.
Claim 4
Dependent Claim
20 words
A device according to claim 2, wherein the exterior of said cover member is made entirely of an elastic material.
Claim 5
Dependent Claim
35 words
A device according to claim 2, wherein said cover member has a middle part thereof composed of a fixing member and wherein a peripheral part of said cover member is made of an elastic material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |