US3291071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple closure toggle actuated hopper outlet assembly
Assignee: Enterprise Railway Equipment Co
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Filing: 1962-11-23
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Granted: 1966-12-13
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:00
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN COMBINATION, A RAILWAY HOPPER CAR HAVING SIDE AND END WALLS AND A CENTRALLY DISPOSED HOPPER INCLUDING AN OPENING FOR DOWNWARD DISCHARGE OF LADING CENTRALLY BETWEEN THE RAILS COMPRISING: (A) TRANSVERSELY EXTENDING FRAME MEMBERS ADJACENT OPOSITE SIDES OF THE OPENING, (B) OPPOSITELY SWINGING DOORS FOR THE OPENING PIVOTALLY MOUNTED ON SAID TRANSVERSE MEMBERS, (C) SAID TRANSVERSE FRAME MEMBERS HAVING PROJECTING PORTIONS EXTENDING APPRECIABLY BEYOND THE HOOPER TOWARD THE SIDES OF THE CAR, (D) BEAM MEMBERS EXTENDING BETWEEN AND CONNECTING THE DISTAL ENDS OF THE PROJECTING MEMBERS TO PROVIDE AN OPEN WELL BETWEEN EACH BEAM AND THE FACING HOPPER WALL, (E) BEARINGS DISPOSED MIDWAY OF THE BEAM MEMBERS AND CARRIED THEREBY, (F) A SHAFT JOURNALLED IN SAID BEARINGS TO EXTEND TRANSVERSELY OF THE CAR BETWEEN THE SWINGING EDGES OF THE DOORS AND (G) LINKAGE MECHANISMS EXTENDING BETWEEN THE SHAFT AND THE ENDS OF THE DOORS BEING DISPOSED IN THE OPEN WELLS.
Claim 2
Dependent Claim
150 words
IN COMBINATION, A RAILWAY HOPPER CAR HAVING SIDE AND END WALLS AND A CENTRALLY DISPOSED HOPPER INCLUDING AN OPENING FOR DOWNWARD DISCHARGE OF LADING CENTRALLY BETWEEN THE RAILS COMPRISING: (A) TRANSVERSELY EXTENDING FRAME MEMBERS ADJACENT OPOSITE SIDES OF THE OPENING, (B) OPPOSITELY SWINGING DOORS FOR THE OPENING PIVOTALLY MOUNTED ON SAID TRANSVERSE MEMBERS, (C) SAID TRANSVERSE FRAME MEMBERS HAVING PROJECTING PORTIONS EXTENDING APPRECIABLY BEYOND THE HOOPER TOWARD THE SIDES OF THE CAR, (D) BEAM MEMBERS EXTENDING BETWEEN AND CONNECTING THE DISTAL ENDS OF THE PROJECTING MEMBERS TO PROVIDE AN OPEN WELL BETWEEN EACH BEAM AND THE FACING HOPPER WALL, (E) BEARINGS DISPOSED MIDWAY OF THE BEAM MEMBERS AND CARRIED THEREBY, (F) A SHAFT JOURNALLED IN SAID BEARINGS TO EXTEND TRANSVERSELY OF THE CAR BETWEEN THE SWINGING EDGES OF THE DOORS AND (G) LINKAGE MECHANISMS EXTENDING BETWEEN THE SHAFT AND THE ENDS OF THE DOORS BEING DISPOSED IN THE OPEN WELLS.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |