End cap and locking mechanism for pneumatic discharge arrangement
Abstract
Abstract A PNEUMATIC DISCHARGE OUTLET FOR THE HOPPER OF A RAILWAY CAR COMPRISES A CUP-SHAPED CAP ADAPTED TO FIT OVER THE END OF A PNEUMATIC TUBE FOR CLOSING THE SAME. A RAIL-SHAPED MEMBER IS HINGEDLY CONNECTED ADJACENT THE END OF THE PNEUMATIC TUBE AND HAS PIVOTALLY CONNECTED THERETO THE CAP WHICH IN THE CLOSED POSITION IS IN SEALING ENGAGEMENT WITH A GASKET SUPPORTED ON A FLANGE CONNECTED TO THE PNEUMATIC TUBE ADJACENT ONE END THEREOF. A LOCKING ARRANGMENT IS PIVOTALLY CONNECTED TO THE FLANGE OF THE PNEUMATIC TUBE AND IS ADAPTED TO ENGAGE END PORTIONS OF THE BAIL-SHAPED MEMBER TO LOCK THE SAME IN THE CLOSED POSITION AND ALSO TO EXERT A PRESSURE ON THE CAP WHICH WILL COMPRESS THE GASKET TO PROVIDE FOR EFFECTIVE SEALING BETWEEN THE CAP AND THE END OF THE PNEUMATIC TUBE. THE LOCKING MECHANISM INCLUDES A MANUALLY ACTUATED CAMMING ELEMENT OPERABLE OPERABLE TO EXERT PRESSURE FOR EFFECTIVELY SEALING THE CAP RELATIVE TO THE END OF THE PNEUMATIC TUBE.
Inventors
- 👤 Ernest J Nagy
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |