Patent US3262367A successfully refreshed from Google Patents.
US3262367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual rotor machine gun
Assignee: Honeywell Inc
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Filing: 1965-09-28
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Granted: 1966-07-26
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Wilford E Martwick
- 👤 Duane C Youmans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:19
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/38; F41A9/46; F41A9/29; F41A9/30; F41A9/49; F42; F42B; F42B39/00; F42B39/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
260 words
A MACHINE GUN, COMPRISING: A FRAME; A GUN BARREL MOUNTED IN SAID FRAME HAVING A BORE; A FIRST CYLINDRICAL ROTOR MOUNTED IN SAID FRAME FOR ROTATION ABOUT A FIRST LONGITUDINAL AXIS IN PARALLEL WITH SAID BORE, SAID FIRST ROTOR HAVING A PLURALITY OF SEMI-CYLINDRICAL CONCAVE HALF CHAMBERS FORMED LONGITUDINALLY IN THE PERIPHERY THEREOF AND POSITIONED THEREIN SO AS TO BE SUCCESSIVELY ALIGNED WITH SAID BORE DURING ROTATION OF SAID FIRST ROTOR; A SECOND CYLINDRICAL ROTOR MOUNTED ADJACENT SAID FIRST ROTOR IN SAID FRAME AND BEING ROTATABLE ABOUT A SECOND LONGITUDINAL AXIS IS PARALLEL WITH SAID FIRST AXIS, SAID SECOND ROTOR HAVING A PLURALITY OF SEMI-CYLINDRICAL CONCAVE HALF CHAMBERS CORRESPONDING IN SIZE AND NUMBER TO THE CHAMBERS IN SAID FIRST ROTOR FORMED LONGITUDINALLY IN THE PERIPHERY THEREOF AND POSITIONED THEREIN SO AS TO BE SUCCESSIVELY ALIGNED WITH SAID BORE DURING ROTATION OF SAID SECOND ROTOR; A GENEVA WHEEL CONNECTED TO SAID FIRST ROTOR; A CRANK OPERATED CONTINUOUSLY ROTATABLE GENEVA DRIVE SHAFT MOUNTED IN SAID FRAME AND CONNECTED TO SAID GENEVA WHEEL, SAID GENEVA WHEEL CONVERTING THE CONTINUOUS ROTATION OF SAID DRIVE SHAFT INTO INTERMITTENT ROTATION TO THEREBY ROTATE SAID FIRST ROTOR TO SUCCESSIVELY ALIGN SAID HALF CHAMBERS WITH SAID BORE AND TO PROVIDE A TIMED DWELL PERIOD FOR SAID FIRST ROTOR AFTER SAID ALIGNMENT IS ACHEIVED; A SLIDING CAM MEMBER EXTENDING THROUGH A SLOT IN SAID FRAME AND THROUGH SAID AXIS OF SAID SECOND ROTOR TO SUPPORT SAID SECOND ROTOR WITHIN SAID FRAME; A ROCKER ARM PIVOTALLY MOUNTED ON SAID FRAME HAVING A FIRST END CONNECTED TO SAID SLIDING CAM MEMBER
Claim 2
Dependent Claim
260 words
A MACHINE GUN, COMPRISING: A FRAME; A GUN BARREL MOUNTED IN SAID FRAME HAVING A BORE; A FIRST CYLINDRICAL ROTOR MOUNTED IN SAID FRAME FOR ROTATION ABOUT A FIRST LONGITUDINAL AXIS IN PARALLEL WITH SAID BORE, SAID FIRST ROTOR HAVING A PLURALITY OF SEMI-CYLINDRICAL CONCAVE HALF CHAMBERS FORMED LONGITUDINALLY IN THE PERIPHERY THEREOF AND POSITIONED THEREIN SO AS TO BE SUCCESSIVELY ALIGNED WITH SAID BORE DURING ROTATION OF SAID FIRST ROTOR; A SECOND CYLINDRICAL ROTOR MOUNTED ADJACENT SAID FIRST ROTOR IN SAID FRAME AND BEING ROTATABLE ABOUT A SECOND LONGITUDINAL AXIS IS PARALLEL WITH SAID FIRST AXIS, SAID SECOND ROTOR HAVING A PLURALITY OF SEMI-CYLINDRICAL CONCAVE HALF CHAMBERS CORRESPONDING IN SIZE AND NUMBER TO THE CHAMBERS IN SAID FIRST ROTOR FORMED LONGITUDINALLY IN THE PERIPHERY THEREOF AND POSITIONED THEREIN SO AS TO BE SUCCESSIVELY ALIGNED WITH SAID BORE DURING ROTATION OF SAID SECOND ROTOR; A GENEVA WHEEL CONNECTED TO SAID FIRST ROTOR; A CRANK OPERATED CONTINUOUSLY ROTATABLE GENEVA DRIVE SHAFT MOUNTED IN SAID FRAME AND CONNECTED TO SAID GENEVA WHEEL, SAID GENEVA WHEEL CONVERTING THE CONTINUOUS ROTATION OF SAID DRIVE SHAFT INTO INTERMITTENT ROTATION TO THEREBY ROTATE SAID FIRST ROTOR TO SUCCESSIVELY ALIGN SAID HALF CHAMBERS WITH SAID BORE AND TO PROVIDE A TIMED DWELL PERIOD FOR SAID FIRST ROTOR AFTER SAID ALIGNMENT IS ACHEIVED; A SLIDING CAM MEMBER EXTENDING THROUGH A SLOT IN SAID FRAME AND THROUGH SAID AXIS OF SAID SECOND ROTOR TO SUPPORT SAID SECOND ROTOR WITHIN SAID FRAME; A ROCKER ARM PIVOTALLY MOUNTED ON SAID FRAME HAVING A FIRST END CONNECTED TO SAID SLIDING CAM MEMBER
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |