Patent US3353489A successfully refreshed from Google Patents.
US3353489A
Expired / Lapsed
US
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Impact fuze for a spinning projectile
Assignee: Rheinmetall Industrie AG
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Filing: 1966-02-21
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Granted: 1967-11-21
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Berger Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/14; F42C9/16; F42C9/18; F42C15/00; F42C15/18; F42C15/188; F42C15/192; F42C15/196; F42C15/20; F42C15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A PERCUSSION FUZE FOR SPINNING PROJECTILES COMPRISING A CASING HAVING A FRONT PART AND A REAR PART, A SLEEVE SECURED IN THE REAR PART OF THE CASING AND HAVING A BEARING SURFACE, A BALL CARRIER WITH BALLS MOUNTED SLIDABLY IN THE CASING AND IN THE SLEEVE, AND HAVING A STRIKER PIN SECURED THEREON, A FUZE BODY SECURED IN THE REAR PART OF THE CASING AND SPACED FROM THE SLEEVE, A ROTOR MOUNTED TO ROTATE BETWEEN THE FUZE BODY AND THE SLEEVE AND HAVING A COILED BAND AROUND THE ROTOR AND HAVING A PERCUSSION CAP THEREIN; AND A FUZE PLUNGER SLIDABLY MOUNTED IN THE CASING AND EXTENDING INTO THE SLEEVE, SAID ROTOR BEING NORMALLY HELD IN INPOPERATIVE POSITION BY THE COILED BAND AND WHEN THE PROJECTILE IS FIRED CENTRIFUGAL SPINNING FORCE WILL ACT ON THE BAND TO HOLD THE ROTOR IN AN UNARMED POSITION FOR A PREDETERMINED PERIOD OF TIME SO THAT WHEN THE BALLS IN THE BALL CARRIER FORCE THE LATTER AWAY FROM THE ROTOR THE STRIKER PIN WILL BE IN A POSITION TO PLUNGE INTO THE PERCUSSION CAP WHEN THE PROJECTILE STRIKES A TARGET.
Claim 2
Dependent Claim
185 words
A PERCUSSION FUZE FOR SPINNING PROJECTILES COMPRISING A CASING HAVING A FRONT PART AND A REAR PART, A SLEEVE SECURED IN THE REAR PART OF THE CASING AND HAVING A BEARING SURFACE, A BALL CARRIER WITH BALLS MOUNTED SLIDABLY IN THE CASING AND IN THE SLEEVE, AND HAVING A STRIKER PIN SECURED THEREON, A FUZE BODY SECURED IN THE REAR PART OF THE CASING AND SPACED FROM THE SLEEVE, A ROTOR MOUNTED TO ROTATE BETWEEN THE FUZE BODY AND THE SLEEVE AND HAVING A COILED BAND AROUND THE ROTOR AND HAVING A PERCUSSION CAP THEREIN; AND A FUZE PLUNGER SLIDABLY MOUNTED IN THE CASING AND EXTENDING INTO THE SLEEVE, SAID ROTOR BEING NORMALLY HELD IN INPOPERATIVE POSITION BY THE COILED BAND AND WHEN THE PROJECTILE IS FIRED CENTRIFUGAL SPINNING FORCE WILL ACT ON THE BAND TO HOLD THE ROTOR IN AN UNARMED POSITION FOR A PREDETERMINED PERIOD OF TIME SO THAT WHEN THE BALLS IN THE BALL CARRIER FORCE THE LATTER AWAY FROM THE ROTOR THE STRIKER PIN WILL BE IN A POSITION TO PLUNGE INTO THE PERCUSSION CAP WHEN THE PROJECTILE STRIKES A TARGET.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |