Patent US3324977A successfully refreshed from Google Patents.
US3324977A
Expired / Lapsed
US
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Braking arrangement for railway hopper cars
Assignee: Sloan Valve Co
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Filing: 1965-11-26
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Granted: 1967-06-13
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Henry R Billeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:40
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/20; B61H13/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A BRAKE MECHANISM FOR HOPPER CARS, A BRAKE CYLINDER AND AN AUTOMATIC SLACK ADJUSTER BOTH ARRANGED BELOW THE SLOPED FRONT WALL OF ONE HOPPER ON THE CAR, SAID BRAKE CYLINDER AND SAID SLACK ADJUSTER BEING ARRANGED GENERALLY PERPENDICULARLY WITH RESPECT TO ONE ANOTHER, SAID SLACK ADJUSTER BEING PIVOTED TO THE SLOPED WALL OF SAID CAR FOR SWINGING MOVEMENT ABOUT ITS PIVOTED END AND ITS OTHER END ARRANGED ADJACENT THE PUSH ROD OF SAID BRAKE CYLINDER, PIVOTED LINKAGE MEANS CONNECTING THE PUSH ROD WITH THE SAID OTHER END OF SAID SLACK ADJUSTER, SAID PIVOTED LINKAGE MEANS ALSO BEING CONNECTED TO THE BRAKE RIGGING FOR ACTUATION BY SAID BRAKE CYLINDER.
Claim 2
Dependent Claim
109 words
IN A BRAKE MECHANISM FOR HOPPER CARS, A BRAKE CYLINDER AND AN AUTOMATIC SLACK ADJUSTER BOTH ARRANGED BELOW THE SLOPED FRONT WALL OF ONE HOPPER ON THE CAR, SAID BRAKE CYLINDER AND SAID SLACK ADJUSTER BEING ARRANGED GENERALLY PERPENDICULARLY WITH RESPECT TO ONE ANOTHER, SAID SLACK ADJUSTER BEING PIVOTED TO THE SLOPED WALL OF SAID CAR FOR SWINGING MOVEMENT ABOUT ITS PIVOTED END AND ITS OTHER END ARRANGED ADJACENT THE PUSH ROD OF SAID BRAKE CYLINDER, PIVOTED LINKAGE MEANS CONNECTING THE PUSH ROD WITH THE SAID OTHER END OF SAID SLACK ADJUSTER, SAID PIVOTED LINKAGE MEANS ALSO BEING CONNECTED TO THE BRAKE RIGGING FOR ACTUATION BY SAID BRAKE CYLINDER.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |