Patent US4264172A successfully refreshed from Google Patents.
US4264172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camera
Assignee: Ricoh Co Ltd
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Filing: 1978-06-13
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Granted: 1981-04-28
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Expires: 1998-06-13
Abstract
Abstract The camera includes a lens tube which is slidable relative to a body of the camera between a photographing position and a retracted position. The lens tube is moved between these two positions cooperatively with a front lid swingably mounted on the front side of the body of the camera.
Inventors
- 👤 Fumihiro Miyagawa
- 👤 Kousaku Sawabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
148 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube when said retractable lens tube is retracted into the body of said camera, and a filter disposed inside said front lid and which can be raised from said lid so as to cover said lens.
Claim 2
Dependent Claim
148 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube when said retractable lens tube is retracted into the body of said camera, and a filter disposed inside said front lid and which can be raised from said lid so as to cover said lens.
Claim 3
Dependent Claim
145 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube is retracted into the body of said camera, and a filter disposed inside said front lind, which is swingably mounted on a shaft disposed in a lower portion of said front lid.
Claim 4
Dependent Claim
145 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube is retracted into the body of said camera, and a filter disposed inside said front lind, which is swingably mounted on a shaft disposed in a lower portion of said front lid.
Claim 5
Dependent Claim
259 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube when said retractable lens tube is retracted into the body of said camera, and said lens tube support member having respective pins on opposite sides thereof, said lens tube guide frame being U-shaped, having two side plates and one central plate connecting said two side plates and having said opening for said lens tube to pass therethrough, each of said two side plates having a slot parallel to the retracting direction of said lens tube for guiding said pins of said lens tube support member, said guide means comprises a pair of first levers, each having a first end pivotally mounted on a respective one of said pins of said lens tube support member, and a pair of second levers, each having one end connected to the other end of a respective first lever, and the other ends of which are fixed to said front lid.
Claim 6
Dependent Claim
259 words
A camera, of the type having a retractable lens tube which is retractable into a body of the camera, comprising: a housing comprising integrally a lens tube support member attached to said retractable lens tube, a film support member disposed behind said tube support member, and a lens tube guide frame having an opening for said lens tube to pass therethrough and having guide means for guiding said lens tube support member during reciprocation thereof, said housing being capable of being inserted into the body of said camera from the back side of said camera, a front lid for covering a lens of said retractable lens tube cooperatively with said retractable lens tube when said retractable lens tube is retracted into the body of said camera, and said lens tube support member having respective pins on opposite sides thereof, said lens tube guide frame being U-shaped, having two side plates and one central plate connecting said two side plates and having said opening for said lens tube to pass therethrough, each of said two side plates having a slot parallel to the retracting direction of said lens tube for guiding said pins of said lens tube support member, said guide means comprises a pair of first levers, each having a first end pivotally mounted on a respective one of said pins of said lens tube support member, and a pair of second levers, each having one end connected to the other end of a respective first lever, and the other ends of which are fixed to said front lid.
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) | 1984-04-27 | 1984-10-27 | 1985-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-27 | 1988-10-27 | 1989-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-27 | 1992-10-27 | 1993-04-28 | $7700.00 | Window Closed / Lapsed |