Patent US3257922A successfully refreshed from Google Patents.
US3257922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for swinging a reflecting mirror in a single-lens reflex camera
Assignee: Olympus Corp
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Filing: 1964-02-17
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Granted: 1966-06-28
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Maitani Yoshihisa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:23
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A SINGLE LENS REFLEX CAMERA OF THE TYPE HAVING A TRANSVERSELY ELONGATED HOUSING WHEREIN A MOVABLE RE FLECTING MIRROR IS MOUNTED FOR SWINGING MOVEMENT ABOUT A LONGITUDINAL AXIS, A DEVICE FOR SWINGING THE MOVABLE REFLECTING MIRROR INCLUDING A MIRROR BOX ACCOMMODATING THE MOVABLE REFLECTING MIRROR, A ROCKABLE ARM ON WHICH THE MIRROR IS ADAPTED TO BE MOUNTED AND HAVING ONE END PIVOTED AT THE LOWER END OF THE LONGITUDINAL AXIS TO EFFECT SWINGING MOVEMENT OF THE REFLECTING MIRROR, SAID ROCKABLE ARM BEING MOUNTED IN SAID MIRROR BOX, A SINGLE MOUNTING PLATE HAVING ALL COMPONENTS REQUIRED FOR EFFECTING SWINGING MOVEMENT OF SAID REFLECTING MIRROR MOUNTED ON THE OPPOSITE FACES OF SAID PLATE IN A UNITARY STRUCTURE, SAID UNITARY STRUCTURE BEING RIGIDLY MOUNTED ON SAID MIRROR BOX, AND A SINGLE PIN ON SAID ARM COUPLED TO SAID COMPONENTS FOR EFFECTING SWINGING MOVEMENT.
Claim 2
Dependent Claim
141 words
IN A SINGLE LENS REFLEX CAMERA OF THE TYPE HAVING A TRANSVERSELY ELONGATED HOUSING WHEREIN A MOVABLE RE FLECTING MIRROR IS MOUNTED FOR SWINGING MOVEMENT ABOUT A LONGITUDINAL AXIS, A DEVICE FOR SWINGING THE MOVABLE REFLECTING MIRROR INCLUDING A MIRROR BOX ACCOMMODATING THE MOVABLE REFLECTING MIRROR, A ROCKABLE ARM ON WHICH THE MIRROR IS ADAPTED TO BE MOUNTED AND HAVING ONE END PIVOTED AT THE LOWER END OF THE LONGITUDINAL AXIS TO EFFECT SWINGING MOVEMENT OF THE REFLECTING MIRROR, SAID ROCKABLE ARM BEING MOUNTED IN SAID MIRROR BOX, A SINGLE MOUNTING PLATE HAVING ALL COMPONENTS REQUIRED FOR EFFECTING SWINGING MOVEMENT OF SAID REFLECTING MIRROR MOUNTED ON THE OPPOSITE FACES OF SAID PLATE IN A UNITARY STRUCTURE, SAID UNITARY STRUCTURE BEING RIGIDLY MOUNTED ON SAID MIRROR BOX, AND A SINGLE PIN ON SAID ARM COUPLED TO SAID COMPONENTS FOR EFFECTING SWINGING MOVEMENT.
References Cited (Backward Citations)
FR567286A
Cited
FR1227060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |