US4051493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash photographing device
Assignee: Nikon Corp
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Filing: 1976-01-16
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Granted: 1977-09-27
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Expires: 1996-01-16
Abstract
Abstract In a flash photographing device which comprises a camera body and a flash gun adapted to be connected to the camera body during photography, there is provided a rod member for supporting the flash gun, a supporting member secured to the camera body, and holder means provided on the supporting member for rotation with the rod member. The holder means is displaceable between a restraining position for holding the rod member against sliding and rotating movement and a half-restraining position for holding the rod member for at least sliding movement upon application of an extraneous force on the rod member. The device further includes adjusting means provided on the supporting member for displacing the holder means between the restraining position and the half-restraining position, and positioning means provided to restrain the holder means from rotating at a plurality of locations when the holder means has been displaced in the direction of rotation.
Inventors
- 👤 Sadao Nakagawa
- 👤 Masaaki Tsukamoto
- 👤 Toshio Dobashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:52
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041; G03B17/00; G03B17/56; G03B17/561
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
159 words
A flash photographing device adapted to be attached to a camera body and a flash gun for illuminating an object to be photographed, said device comprising: a. a rod member for supporting said flash gun; b. a supporting member secured to said camera body; c. holder means displaceable between a restraining position in which said holder means holds said rod member against sliding and rotating movement and a half-restraining position in which said holder means holds said rod member for at least sliding movement upon application of an extraneous force on said rod member, said holder means being rotatable about said supporting member; d. adjusting means provided on said supporting member for displacing said holder means between said restraining position and said half-restraining position; and e. restraining means provided to restrain said holder means from rotating when said holder means is in said restraining position and to release the restraint when said holder means is in said half-restraining position.
Claim 2
Dependent Claim
159 words
A flash photographing device adapted to be attached to a camera body and a flash gun for illuminating an object to be photographed, said device comprising: a. a rod member for supporting said flash gun; b. a supporting member secured to said camera body; c. holder means displaceable between a restraining position in which said holder means holds said rod member against sliding and rotating movement and a half-restraining position in which said holder means holds said rod member for at least sliding movement upon application of an extraneous force on said rod member, said holder means being rotatable about said supporting member; d. adjusting means provided on said supporting member for displacing said holder means between said restraining position and said half-restraining position; and e. restraining means provided to restrain said holder means from rotating when said holder means is in said restraining position and to release the restraint when said holder means is in said half-restraining position.
Claim 3
Dependent Claim
28 words
A flash photographing device as defined in claim 1, wherein said holder means comprises a resilient U-shaped holding member having a clipping portion for clipping said rod member.
Claim 4
Dependent Claim
58 words
A flash photographing device as defined in claim 2, wherein said adjusting means comprises an urging member provided between said supporting member and said holding member to exert a force on said holding member to bring same into said restraining position and to release same from said restraining position and allow same to move into said half-restraining position.
Claim 5
Dependent Claim
27 words
A flash photographing device as defined in claim 3, wherein said restraining means includes mutually engageable portions provided respectively on said holding member and said supporting member.
Claim 6
Dependent Claim
54 words
A flash photographing device as defined in claim 4, wherein said holding member is rotatable about the longitudinal axis of said supporting member and is displaceable along said axis between a first position in which said engageable portions are engaged with each other and a second position in which said engageable portions are disengaged.
Claim 7
Dependent Claim
23 words
A flash photographing device as defined in claim 5, further comprising bias means for normally biasing said holding member toward said first position.
Claim 8
Dependent Claim
32 words
A flash photographing device as defined in claim 6, wherein said rod member is of non-circular cross-section so that it is unrotatable even when said holding member is in said half-restraining position.
Claim 9
Dependent Claim
23 words
A flash photographing device as defined in claim 7, wherein said urging member is a clamp member threadably engaged with said support member.
Claim 10
Dependent Claim
31 words
A flash photographing device as defined in claim 1, wherein said holding member holds said rod member so that the latter is perpendicular to the longitudinal axis of the supporting member.
References Cited (Backward Citations)
US1895706A
Cited
US2599269A
Cited
US2697776A
Cited
CH420855A
Cited
US3749900A
Cited
US3893145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |