Patent US3112704A successfully refreshed from Google Patents.
US3112704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-destroying fuze for a spinning projectile
Assignee: Rheinmetall Industrie AG
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Filing: 1960-12-23
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Granted: 1963-12-03
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Schaadt Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:04
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/14; F42C9/16; F42C9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
524 words
A FUZE FOR SPINNING PROJECTILES COMPRISING IN COMBINATION A DETONATOR, A FUZE CASING, A STRIKER PIN AXIALLY SLIDABLY GUIDED IN SAID FUZE CASING, A PIN ARRANGED AXIALLY AND CONNECTED TO SAID STRIKER PIN AND BEING SLIDABLY GUIDED INTO SAID FUZE CASING FOR A MOVEMENT TO AND FRO RELATIVE TO SAID DETONATOR, A SLEEVE DISPOSED CONCENTRICALLY AROUND SAID PIN, SAID SLEEVE HAVING IN A DIRECTION OPPOSITE TO SAID DETONATOR A CONICAL SURFACE DIRECTED OUTWARDLY, A PLURALITY OF FIRST BALLS ARRANGED AROUND SAID SECOND-MENTIONED PIN ABOVE SAID CONICAL SURFACE AND RESTING ON SAID CONICAL SURFACE BEFORE THE FIRING OF THE PROJECTILE, A CAGE FOR SAID BALLS TO HOLD THEM IN POSITION, A SPRING ABUTTING AT ONE END IN SAID FUZE CASING AND THE OTHER END AGAINST SAID CAGE ON ITS SIDE OPPOSITE TO SAID DETONATOR, SAID CAGE BEING GUIDED IN SAID FUZE CASING AND IN SAID SLEEVE FOR MOVEMENT TO AND FRO RELATIVE TO SAID DETONATOR CAUSED BY RUNNING OUTWARDLY OF SAID BALLS ALONG SAID CONICAL SURFACE OF SAID SLEEVE UNDER CENTRIFUGAL FORCE AGAINST THE FORCE OF SAID SPRING, A SINGLE SLIDE MEMBER GUIDED IN SAID FUZE CASING FOR A MOVEMENT TRANSVERSELY TO SAID STRIKER PIN, SAID SLIDE MEMBER HAVING AN AXIAL PERFORATION THEREIN FITTING SUBSTANTIALLY HALF AROUND SAID STRIKER PIN, SAID STRIKER PIN EXTENDING THROUGH SAID PERFORATION OF SAID SLIDE MEMBER, AN ABUTMENT ARRANGED BETWEEN SAID STRIKER PIN AND SAID SECOND-MENTIONED PIN AND CONNECTED TO SAID STRIKER PIN, SAID ABUTMENT HAVING A CROSS SECTIONAL AREA OVERLAPPING SAID PERFORATION OF SAID SLIDE MEMBER AND SAID ABUTMENT RESTS WITH ITS UNDERSIDE ON SAID SLIDE MEMBER, SAID SLIDE MEMBER HAVING A SECOND AXIAL PERFORATION EXTENDING TRANSVERSELY FROM SAID FIRST-MENTIONED PERFORATION, SAID SECOND PERFORATION HAVING A CROSS SECTIONAL AREA LARGER THAN THE CROSS SECTIONAL AREA OF SAID ABUTMENT SO THAT SAID ABUTMENT CAN PASS THROUGH WHEN SAID SLIDE MEMBER IS MOVING TRANSVERSELY WITH ITS FIRSTMENTIONED PERFORATION AWAY FROM SAID STRIKER PIN, SAID SLIDE MEMBER HAVING A HOLE THEREIN AT LEAST OPEN TOWARDS SAID DETONATOR AND DISPOSED DIAMETRICALLY TO SAID SECONDMENTIONED PERFORATION, SAID SLIDE MEMBER HAVING A CENTER OF GRAVITY ARRANGED RADIALLY OUT OF THE AXIS OF SAID FIRSTMENTIONED PERFORATION IN A DIRECTION TOWARD SAID SECOND-MENTIONED PERFORATION SO THAT UNDER CENTRIFUGAL FORCE SAID SLIDE MEMBER WILL BE URGED TRANSVERSELY TOWARDS SAID STRIKER PIN, A SECOND BALL DISPOSED BEFORE FIRING OF THE PROJECTILE IN SAID FUZE CASING BETWEEN SAID DETONATOR AND SAID SLIDE MEMBER, A GUIDE WAY FOR SAID SECOND-MENTIONED BALL DIRECTED TOWARD SAID HOLE IN SAID SLIDE MEMBER, SAID GUIDE WAY BEING DISPOSED SUBSTANTIALLY AXIALLY BUT SLIGHTLY INCLINED OUTWARDLY TOWARD SAID HOLE OF SAID SLIDE MEMBER SO THAT BY CENTRIFUGAL FORCE SAID SECONDMENTIONED BALL IS FORCED TO MOVE TOWARD SAID SLIDE MEMBER AND TO ENTER SAID HOLE OF SAID SLIDE MEMBER, SAID SLIDE MEMBER AND SAID SECOND-MENTIONED BALL BEING DESIGNED SO THAT BY ENTERING OF SAID SECOND-MENTIONED BALL INTO SAID HOLE THE CENTER OF GRAVITY OF SAID SLIDE MEMBER CHANGES ACROSS THE AXIS OF SAID FIRST-MENTIONED PERFORATION TOWARD SAID HOLE CAUSING BY CENTRIFUGAL FORCE A TRANSVERSE MOVEMENT OF SAID SLIDE MEMBER AWAY FROM SAID STRIKER PIN AND BRINGING SAID SECOND-MENTIONED PERFORATION IN A POSITION FOR PASSING THROUGH OF SAID ABUTMENT.
Claim 2
Dependent Claim
524 words
A FUZE FOR SPINNING PROJECTILES COMPRISING IN COMBINATION A DETONATOR, A FUZE CASING, A STRIKER PIN AXIALLY SLIDABLY GUIDED IN SAID FUZE CASING, A PIN ARRANGED AXIALLY AND CONNECTED TO SAID STRIKER PIN AND BEING SLIDABLY GUIDED INTO SAID FUZE CASING FOR A MOVEMENT TO AND FRO RELATIVE TO SAID DETONATOR, A SLEEVE DISPOSED CONCENTRICALLY AROUND SAID PIN, SAID SLEEVE HAVING IN A DIRECTION OPPOSITE TO SAID DETONATOR A CONICAL SURFACE DIRECTED OUTWARDLY, A PLURALITY OF FIRST BALLS ARRANGED AROUND SAID SECOND-MENTIONED PIN ABOVE SAID CONICAL SURFACE AND RESTING ON SAID CONICAL SURFACE BEFORE THE FIRING OF THE PROJECTILE, A CAGE FOR SAID BALLS TO HOLD THEM IN POSITION, A SPRING ABUTTING AT ONE END IN SAID FUZE CASING AND THE OTHER END AGAINST SAID CAGE ON ITS SIDE OPPOSITE TO SAID DETONATOR, SAID CAGE BEING GUIDED IN SAID FUZE CASING AND IN SAID SLEEVE FOR MOVEMENT TO AND FRO RELATIVE TO SAID DETONATOR CAUSED BY RUNNING OUTWARDLY OF SAID BALLS ALONG SAID CONICAL SURFACE OF SAID SLEEVE UNDER CENTRIFUGAL FORCE AGAINST THE FORCE OF SAID SPRING, A SINGLE SLIDE MEMBER GUIDED IN SAID FUZE CASING FOR A MOVEMENT TRANSVERSELY TO SAID STRIKER PIN, SAID SLIDE MEMBER HAVING AN AXIAL PERFORATION THEREIN FITTING SUBSTANTIALLY HALF AROUND SAID STRIKER PIN, SAID STRIKER PIN EXTENDING THROUGH SAID PERFORATION OF SAID SLIDE MEMBER, AN ABUTMENT ARRANGED BETWEEN SAID STRIKER PIN AND SAID SECOND-MENTIONED PIN AND CONNECTED TO SAID STRIKER PIN, SAID ABUTMENT HAVING A CROSS SECTIONAL AREA OVERLAPPING SAID PERFORATION OF SAID SLIDE MEMBER AND SAID ABUTMENT RESTS WITH ITS UNDERSIDE ON SAID SLIDE MEMBER, SAID SLIDE MEMBER HAVING A SECOND AXIAL PERFORATION EXTENDING TRANSVERSELY FROM SAID FIRST-MENTIONED PERFORATION, SAID SECOND PERFORATION HAVING A CROSS SECTIONAL AREA LARGER THAN THE CROSS SECTIONAL AREA OF SAID ABUTMENT SO THAT SAID ABUTMENT CAN PASS THROUGH WHEN SAID SLIDE MEMBER IS MOVING TRANSVERSELY WITH ITS FIRSTMENTIONED PERFORATION AWAY FROM SAID STRIKER PIN, SAID SLIDE MEMBER HAVING A HOLE THEREIN AT LEAST OPEN TOWARDS SAID DETONATOR AND DISPOSED DIAMETRICALLY TO SAID SECONDMENTIONED PERFORATION, SAID SLIDE MEMBER HAVING A CENTER OF GRAVITY ARRANGED RADIALLY OUT OF THE AXIS OF SAID FIRSTMENTIONED PERFORATION IN A DIRECTION TOWARD SAID SECOND-MENTIONED PERFORATION SO THAT UNDER CENTRIFUGAL FORCE SAID SLIDE MEMBER WILL BE URGED TRANSVERSELY TOWARDS SAID STRIKER PIN, A SECOND BALL DISPOSED BEFORE FIRING OF THE PROJECTILE IN SAID FUZE CASING BETWEEN SAID DETONATOR AND SAID SLIDE MEMBER, A GUIDE WAY FOR SAID SECOND-MENTIONED BALL DIRECTED TOWARD SAID HOLE IN SAID SLIDE MEMBER, SAID GUIDE WAY BEING DISPOSED SUBSTANTIALLY AXIALLY BUT SLIGHTLY INCLINED OUTWARDLY TOWARD SAID HOLE OF SAID SLIDE MEMBER SO THAT BY CENTRIFUGAL FORCE SAID SECONDMENTIONED BALL IS FORCED TO MOVE TOWARD SAID SLIDE MEMBER AND TO ENTER SAID HOLE OF SAID SLIDE MEMBER, SAID SLIDE MEMBER AND SAID SECOND-MENTIONED BALL BEING DESIGNED SO THAT BY ENTERING OF SAID SECOND-MENTIONED BALL INTO SAID HOLE THE CENTER OF GRAVITY OF SAID SLIDE MEMBER CHANGES ACROSS THE AXIS OF SAID FIRST-MENTIONED PERFORATION TOWARD SAID HOLE CAUSING BY CENTRIFUGAL FORCE A TRANSVERSE MOVEMENT OF SAID SLIDE MEMBER AWAY FROM SAID STRIKER PIN AND BRINGING SAID SECOND-MENTIONED PERFORATION IN A POSITION FOR PASSING THROUGH OF SAID ABUTMENT.
References Cited (Backward Citations)
US2405653A
Cited
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US2650541A
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FR1087643A
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US2896540A
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US2871788A
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |