US3584794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing mechanism for percussively ignitable flash units
Assignee: Eastman Kodak Co
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Filing: 1968-10-14
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Granted: 1971-06-15
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Expires: 1988-10-14
Abstract
Abstract A multiple flash unit containing percussively ignitable lamps and photographic apparatus such as a still camera for accepting and percussively firing the lamps successively. A striker to fire the lamps may be incorporated either in the multilamp unit or the apparatus and is cocked to fire the lamp in the operative position during indexing of the unit.
Inventors
- 👤 David E Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:35
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/0478; G03B15/0489
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
83 words
In photographic apparatus of the type having socket means for receiving a multilamp flash unit, the individual lamps of which are actuable by striking and which socket means is rotatable to successively place the lamps in firing position, the combination comprising: a striker member rotatable with said socket and having means energizeable for firing a lamp located at said firing position; and a control member having means for storing energy in the firing means during rotation of said striker member with said socket.
Claim 2
Dependent Claim
83 words
In photographic apparatus of the type having socket means for receiving a multilamp flash unit, the individual lamps of which are actuable by striking and which socket means is rotatable to successively place the lamps in firing position, the combination comprising: a striker member rotatable with said socket and having means energizeable for firing a lamp located at said firing position; and a control member having means for storing energy in the firing means during rotation of said striker member with said socket.
Claim 3
Dependent Claim
73 words
The combination according to claim 1 wherein the firing means comprises a resilient leg on the striker member movable between a cocked position to a released position, in which released position the lamp is fired, and the energizing means comprises a cam surface defined by the control member and engageable with the leg to move the leg to the energized position with movement of the unit to place the lamp in firing position.
Claim 4
Dependent Claim
19 words
The combination according to claim 1 and further comprising latch means to retain the leg in the energized position.
Claim 5
Dependent Claim
51 words
The combination according to claim 1 wherein the firing means comprises a plurality of resilient legs on the striker member, each resilient leg associated with a lamp and movable with the lamp, and wherein the energizing means comprises a cam engaging the leg with the lamp moving into the firing position.
Claim 6
Dependent Claim
15 words
The combination according to claim 4 wherein the striker member is fixed to the unit.
Claim 7
Dependent Claim
34 words
The combination according to claim 4 wherein the socket means is movable with the unit and the striker member is fixed to the socket means for movement with the socket means and received unit.
Claim 8
Dependent Claim
37 words
The combination according to claim 4 wherein the cam moves the engaged leg from a released position to a cocked position, and further comprising latch means for retaining the engaged leg in the cocked position until firing.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |