US3079010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupler operating mechanism
Assignee: National Castings Co
•
Filing: 1958-06-09
•
Granted: 1963-02-26
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 William J Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
B; B61; B61G; B61G7/00; B61G7/14; F; F16; F16B; F16B2200/00; F16B2200/63
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A CAR COUPLER OPERATING MECHANISM, A ROTOR SHAFT MEMBER ROTATABLY MOUNTED ON THE UNDERSIDE OF A CAR COUPLER, SAID MEMBER HAVING A SHANK PORTION AND AN EYE PORTION, AND AN UNCOUPLING ROD HAVING A HOOK-SHAPED END OPERATIVELY CONNECTED TO SAID EYE PORTION, SAID ROD HAVING A HANDLE PORTION ADAPTED FOR PIVOTAL MOUNTING ON AN ASSOCIATED RAILWAY VEHICLE, SAID EYE PORTION COMPRISING A REAR WALL AND DEPENDING LUG, SAID WALL AND LUG BEING ADAPTED FOR BEARING ENGAGEMENT WITH SAID ROD END UPON ACTUATION OF THE ROD TO EFFECT ROTATION OF SAID MEMBER, SAID EYE PORTION HAVING AN END WALL, SAID SECTION BEING OF REDUCED CROSS-SECTIONAL AREA COMPARED TO THE ADJACENT WALLS AND BEING OF A LENGTH IN EXCESS OF THE DIAMETER OF THE ROD, SAID SECTION BEING SO DISPOSED IN RELATION TO SAID ROD AS TO BE ENGAGED AND FRACTURED BY SAID ROD END IN THE EVENT OF A COUPLER PULL-OUT TO PERMIT SEPARATION OF SAID ROD END FROM SAID EYE PORTION.
Claim 2
Dependent Claim
162 words
IN A CAR COUPLER OPERATING MECHANISM, A ROTOR SHAFT MEMBER ROTATABLY MOUNTED ON THE UNDERSIDE OF A CAR COUPLER, SAID MEMBER HAVING A SHANK PORTION AND AN EYE PORTION, AND AN UNCOUPLING ROD HAVING A HOOK-SHAPED END OPERATIVELY CONNECTED TO SAID EYE PORTION, SAID ROD HAVING A HANDLE PORTION ADAPTED FOR PIVOTAL MOUNTING ON AN ASSOCIATED RAILWAY VEHICLE, SAID EYE PORTION COMPRISING A REAR WALL AND DEPENDING LUG, SAID WALL AND LUG BEING ADAPTED FOR BEARING ENGAGEMENT WITH SAID ROD END UPON ACTUATION OF THE ROD TO EFFECT ROTATION OF SAID MEMBER, SAID EYE PORTION HAVING AN END WALL, SAID SECTION BEING OF REDUCED CROSS-SECTIONAL AREA COMPARED TO THE ADJACENT WALLS AND BEING OF A LENGTH IN EXCESS OF THE DIAMETER OF THE ROD, SAID SECTION BEING SO DISPOSED IN RELATION TO SAID ROD AS TO BE ENGAGED AND FRACTURED BY SAID ROD END IN THE EVENT OF A COUPLER PULL-OUT TO PERMIT SEPARATION OF SAID ROD END FROM SAID EYE PORTION.
References Cited (Backward Citations)
US1315969A
Cited
US819314A
Cited
US1630481A
Cited
US1744536A
Cited
US1990699A
Cited
US2083054A
Cited
US2171078A
Cited
US2282641A
Cited
US2452796A
Cited
US2468669A
Cited
US2585889A
Cited
US2769556A
Cited
US2949195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |