US3189128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brake installation
Assignee: ThyssenKrupp Budd Co
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Filing: 1962-09-07
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Granted: 1965-06-15
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:54
CPC Classifications
B; B61; B61H; B61H5/00; F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A DISC BRAKE MECHANISM FOR A RAILWAY CAR TRUCK HAVING A ROTATING DISC AND A SUPPORTING MEMBER TO ENABLE PIVOTAL MOVEMENT OF THE MECHANISM ABOUT AN AXIS TRANSVERSE TO THE AXIS OF ROTATION OF THE DISC, THE COMBINATION COMPRISING, A FIRST TONG MEMBER HAVING A FIRST BRAKE BLOCK ON ONE OF ITS ENDS AND PIVOTALLY MOUNTED TO SAID SUPPORTING MEMBER ABOUT SAID TRANSVERSE AXIS AT ITS OTHER END, A SECOND TONG MEMBER HAVING A SECOND BRAKE BLOCK AT ONE OF ITS ENDS AND PIVOT MEANS INTERCONNECTING SAID FIRST AND SECOND TONG MEMBERS INTERMEDIATE THEIR RESPECTIVE ENDS FOR ROTATION ABOUT A COMMON AXIS PARALLEL TO SAID TRANSVERSE AXIS, AND ACUTATOR MEANS CONNECTED TO SAID FIRST TONG MEMBER AND TO THE OTHER END OF SAID SECOND TONG MEMBER TO CAUSE RELATIVE PIVOTAL MOVEMENT THEREBETWEEN WHEREIN SAID FIRST AND SECOND BRAKE BLOCKS ARE MOVED INTO AND OUT OF FRICTIONAL ENGAGEMENT WITH SAID BRAKE DISC.
Claim 2
Dependent Claim
152 words
IN A DISC BRAKE MECHANISM FOR A RAILWAY CAR TRUCK HAVING A ROTATING DISC AND A SUPPORTING MEMBER TO ENABLE PIVOTAL MOVEMENT OF THE MECHANISM ABOUT AN AXIS TRANSVERSE TO THE AXIS OF ROTATION OF THE DISC, THE COMBINATION COMPRISING, A FIRST TONG MEMBER HAVING A FIRST BRAKE BLOCK ON ONE OF ITS ENDS AND PIVOTALLY MOUNTED TO SAID SUPPORTING MEMBER ABOUT SAID TRANSVERSE AXIS AT ITS OTHER END, A SECOND TONG MEMBER HAVING A SECOND BRAKE BLOCK AT ONE OF ITS ENDS AND PIVOT MEANS INTERCONNECTING SAID FIRST AND SECOND TONG MEMBERS INTERMEDIATE THEIR RESPECTIVE ENDS FOR ROTATION ABOUT A COMMON AXIS PARALLEL TO SAID TRANSVERSE AXIS, AND ACUTATOR MEANS CONNECTED TO SAID FIRST TONG MEMBER AND TO THE OTHER END OF SAID SECOND TONG MEMBER TO CAUSE RELATIVE PIVOTAL MOVEMENT THEREBETWEEN WHEREIN SAID FIRST AND SECOND BRAKE BLOCKS ARE MOVED INTO AND OUT OF FRICTIONAL ENGAGEMENT WITH SAID BRAKE DISC.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |