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US3256959A Expired / Lapsed US ⏱️ 0.0 years remaining

Spot type disk brake

Assignee: Ernst Heinkel AG
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Filing: 1964-02-26
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Granted: 1966-06-21
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Expires: 1984-02-26
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Abstract

No abstract record available.

Inventors

  • 👤 Eggstein Giorgio

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:11
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D65/097; F16D65/0973; F16D65/0974; F16D65/0975; F16D2055/0004; F16D2055/0016; F16D2055/002; F16D2055/0075; F16D2055/0091; F16D2125/00; F16D2125/02; F16D2125/06; F16D2127/00; F16D2127/02; F16D2200/00; F16D2200/0004; F16D2200/0026

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 224 words
IN A DISK BRAKE, IN COMBINATION, A CHANNEL-SHAPED CARRIER COMPRISING A PAIR OF SPACED SIDE WALLS AND A WEB INTEGRAL WITH AND BRIDGING THE SPACE BETWEEN SAID SIDE WALLS, SAID CARRIER HAVING A PAIR OF SPACED END FACES; A PAIR OF BRAKE SHOES RECEIVED INTERMEDIATE SAID SIDE WALLS AND EACH COMPRISING TWO EXTENSIONS ABUTTING AGAINST SAID END FACES TO PREVENT LONGITUDINAL MOVEMENT OF SAID BRAKE SHOES WITH REFERENCE TO SAID CARRIER, EACH OF SAID BRAKE SHOES FURTHER HAVING A LINING SEGMENT CONSISTING OF FRICTION GENERATING MATERIAL AND DISPOSED BETWEEN SAID BRAKE SHOES AND EACH EXTENSION OF ONE OF SAID BRAKE SHOES BEING ALIGNED WITH ONE EXTENSION OF THE OTHER BRAKE SHOE AND EACH HAVING A HOLE IN REGISTRY WITH THE HOLE OF THE ALIGNED EXTENSION; A PIN EXTENDING THROUGH EACH PAIR OF REGISTERING HOLES TO PERMIT MOVEMENT OF AT LEAST ONE OF SAID BRAKE SHOES TOWARD AND AWAY FROM THE RESPECTIVE SIDE WALL; A TORSION SPRING CONVOLUTED ON EACH OF SAID PINS AND EACH THEREOF COMPRISING A PAIR OF OUTWARDLY EXTENDING FINGERS ENGAGING SAID BRAKE SHOES TO BIAS THE SAME AWAY FROM EACH OTHER; AND AN ELONGATED SECURING MEMBER OF SPRINGY MATERIAL, SAID SECURING MEMBER BEING OUTWARDLY ADJACENT TO SAID WEB AND COMPRISING TWO HOOKED END PORTIONS EACH OF WHICH ENGAGES ONE OF SAID PINS TO RETAIN SAID BRAKE SHOES BETWEEN SAID SIDE WALLS.
Claim 2
Dependent Claim 224 words
IN A DISK BRAKE, IN COMBINATION, A CHANNEL-SHAPED CARRIER COMPRISING A PAIR OF SPACED SIDE WALLS AND A WEB INTEGRAL WITH AND BRIDGING THE SPACE BETWEEN SAID SIDE WALLS, SAID CARRIER HAVING A PAIR OF SPACED END FACES; A PAIR OF BRAKE SHOES RECEIVED INTERMEDIATE SAID SIDE WALLS AND EACH COMPRISING TWO EXTENSIONS ABUTTING AGAINST SAID END FACES TO PREVENT LONGITUDINAL MOVEMENT OF SAID BRAKE SHOES WITH REFERENCE TO SAID CARRIER, EACH OF SAID BRAKE SHOES FURTHER HAVING A LINING SEGMENT CONSISTING OF FRICTION GENERATING MATERIAL AND DISPOSED BETWEEN SAID BRAKE SHOES AND EACH EXTENSION OF ONE OF SAID BRAKE SHOES BEING ALIGNED WITH ONE EXTENSION OF THE OTHER BRAKE SHOE AND EACH HAVING A HOLE IN REGISTRY WITH THE HOLE OF THE ALIGNED EXTENSION; A PIN EXTENDING THROUGH EACH PAIR OF REGISTERING HOLES TO PERMIT MOVEMENT OF AT LEAST ONE OF SAID BRAKE SHOES TOWARD AND AWAY FROM THE RESPECTIVE SIDE WALL; A TORSION SPRING CONVOLUTED ON EACH OF SAID PINS AND EACH THEREOF COMPRISING A PAIR OF OUTWARDLY EXTENDING FINGERS ENGAGING SAID BRAKE SHOES TO BIAS THE SAME AWAY FROM EACH OTHER; AND AN ELONGATED SECURING MEMBER OF SPRINGY MATERIAL, SAID SECURING MEMBER BEING OUTWARDLY ADJACENT TO SAID WEB AND COMPRISING TWO HOOKED END PORTIONS EACH OF WHICH ENGAGES ONE OF SAID PINS TO RETAIN SAID BRAKE SHOES BETWEEN SAID SIDE WALLS.

References Cited (Backward Citations)

US2351041A Cited
FR1101244A Cited
GB785367A Cited
US2966964A Cited
US2918990A Cited
GB806919A Cited
US2968370A Cited
US2921651A Cited
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US3081843A Cited
FR1267299A Cited
FR1347011A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-20 1969-12-20 1970-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-20 1973-12-20 1974-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-20 1977-12-20 1978-06-21 $7700.00 Window Closed / Lapsed

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