US3164263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft gear for automatic couplers of railway rolling stock
Assignee: Railway Transport Inst
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Filing: 1962-08-27
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Granted: 1965-01-05
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Novikov Ivan Nickolaevich
- 👤 Golovanov Victor Grigorievich
- 👤 Bespalov Nickolay Grigorievich
- 👤 Shilov Vadim Alexandrovich
- 👤 Starostin Konstan Serafimovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:02
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A DRAFT GEAR FOR AUTOMATIC COUPLERS OF RAILWAY ROLLING STOCK, SAID DRAFT GEAR COMPRISING A HOLLOW HOUSING, A CLOSURE ON ONE END OF SAID HOUSING WITH THE OPPOSITE END OPEN, A CYLINDER SLIDABLY RECEIVED IN THE OPEN END OF SAID HOUSING, A PLATE FIXED TO THE OUTER END OF SAID CYLINDER AND CLOSING THE SAME, MEANS FOR LIMITING OUTWARD MOVEMENT OF SAID CYLINDER WITH RESPECT TO SAID HOUSING, A DIAPHRAGM FIXED TO SAID CYLINDER AND HOUSING TO PROVIDE A FLUID TIGHT SEAL, AN ANNULAR SPRING COMPRISING A PLURALITY OF AXIALLY SPACED EXTERNAL AND INTERNAL INTERENGAGING RINGS DISPOSED IN SAID HOUSING AND CYLINDER WITH ONE END OF SAID SPRING ENGAGING SAID CLOSURE AND THE OPPOSITE END OF SAID SPRING ENGAGING SAID PLATE, SAID RINGS, CLOSURE AND PLATE PROVIDING A CHAMBER, SAID HOUSING HAVING AN INTERNAL RECESS OPENING TOWARD SAID EXTERNAL RINGS, AN EXPANSIBLE DIAPHRAGM CLOSING SAID RECESS, SAID CLOSURE
Claim 2
Dependent Claim
148 words
A DRAFT GEAR FOR AUTOMATIC COUPLERS OF RAILWAY ROLLING STOCK, SAID DRAFT GEAR COMPRISING A HOLLOW HOUSING, A CLOSURE ON ONE END OF SAID HOUSING WITH THE OPPOSITE END OPEN, A CYLINDER SLIDABLY RECEIVED IN THE OPEN END OF SAID HOUSING, A PLATE FIXED TO THE OUTER END OF SAID CYLINDER AND CLOSING THE SAME, MEANS FOR LIMITING OUTWARD MOVEMENT OF SAID CYLINDER WITH RESPECT TO SAID HOUSING, A DIAPHRAGM FIXED TO SAID CYLINDER AND HOUSING TO PROVIDE A FLUID TIGHT SEAL, AN ANNULAR SPRING COMPRISING A PLURALITY OF AXIALLY SPACED EXTERNAL AND INTERNAL INTERENGAGING RINGS DISPOSED IN SAID HOUSING AND CYLINDER WITH ONE END OF SAID SPRING ENGAGING SAID CLOSURE AND THE OPPOSITE END OF SAID SPRING ENGAGING SAID PLATE, SAID RINGS, CLOSURE AND PLATE PROVIDING A CHAMBER, SAID HOUSING HAVING AN INTERNAL RECESS OPENING TOWARD SAID EXTERNAL RINGS, AN EXPANSIBLE DIAPHRAGM CLOSING SAID RECESS, SAID CLOSURE
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) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |