US3167173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk unloader
Assignee: AJ Sackett and Sons Co
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Filing: 1962-10-16
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Granted: 1965-01-26
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Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Walter J Sackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:14
CPC Classifications
B; B61; B61J; B61J1/00; B61J1/10; B65; B65G; B65G67/00; B65G2814/00; B65G2814/03; B65G2814/0347; B65G2814/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A BULK MATERIAL UNLOADER COMPRISING AN ANGLED HOUSING HAVING A SUBSTANTIALLY V SHAPED BOTTOM CROSSSECTION, AND HAVING A LOWER HORIZONTAL PORTION TO EXTEND BENEATH A MATERIAL CARRIER AND A SLOPING PORTION ANGLUARLY CONNECTED TO THE HORIZONTAL PORTION AND WITH A DISCHARGE ON THE SLOPING PORTION TO EXTEND ABOVE A RECEIVER THEREFROM, A VERTICALLY EXTENDING GUIDE HAVING UPPER AND LOWER RAILS THEREON SUPPORTED BY AND EXTENDING CENTRALLY WITHIN THE HOUSING, SPROCKETS AT EACH END OF THE GUIDES MOUNTED IN THE HOUSING, AN ENDLESS CONVEYOR WITH FLIGHTS EXTENDING AROUND SAID SPROCKETS AND GUIDED BY THE UPPER AND LOWER RAILS OF SAID GUIDE, THE FLIGHTS SUBSTANTIALLY CONFORMING TO THE CONFIGURATION OF THE BOTTOM OF THE HOUSING TO MOVE MATERIAL THEREALONG, AN UPWARDLY OPENING HOPPER ABOVE THE HORIZONTAL PORTION OF THE CONVEYOR, A SHIELD SUPPORTED BY AND EXTENDING CENTRALLY OF THE HOPPER, ABOVE THE CONVEYOR IN THE HOUSING, SPACED FROM THE HOUSING SIDES AND VERTICALLY TERMINATING SHORT OF THE FLIGHTS OF THE CONVEYOR ON THE LOWER RAIL, TO PASS MATERIAL FROM THE HOPPER TO THE HOUSING BOTTOM BETWEEN THE LAST NAMED CONVEYOR FLIGHTS, TO BE PROPELLED THEREBY FROM THE HOUSING HORIZONTAL PORTION TO THE DISCHARGE OF THE SLOPING PORTION
Claim 2
Dependent Claim
195 words
A BULK MATERIAL UNLOADER COMPRISING AN ANGLED HOUSING HAVING A SUBSTANTIALLY V SHAPED BOTTOM CROSSSECTION, AND HAVING A LOWER HORIZONTAL PORTION TO EXTEND BENEATH A MATERIAL CARRIER AND A SLOPING PORTION ANGLUARLY CONNECTED TO THE HORIZONTAL PORTION AND WITH A DISCHARGE ON THE SLOPING PORTION TO EXTEND ABOVE A RECEIVER THEREFROM, A VERTICALLY EXTENDING GUIDE HAVING UPPER AND LOWER RAILS THEREON SUPPORTED BY AND EXTENDING CENTRALLY WITHIN THE HOUSING, SPROCKETS AT EACH END OF THE GUIDES MOUNTED IN THE HOUSING, AN ENDLESS CONVEYOR WITH FLIGHTS EXTENDING AROUND SAID SPROCKETS AND GUIDED BY THE UPPER AND LOWER RAILS OF SAID GUIDE, THE FLIGHTS SUBSTANTIALLY CONFORMING TO THE CONFIGURATION OF THE BOTTOM OF THE HOUSING TO MOVE MATERIAL THEREALONG, AN UPWARDLY OPENING HOPPER ABOVE THE HORIZONTAL PORTION OF THE CONVEYOR, A SHIELD SUPPORTED BY AND EXTENDING CENTRALLY OF THE HOPPER, ABOVE THE CONVEYOR IN THE HOUSING, SPACED FROM THE HOUSING SIDES AND VERTICALLY TERMINATING SHORT OF THE FLIGHTS OF THE CONVEYOR ON THE LOWER RAIL, TO PASS MATERIAL FROM THE HOPPER TO THE HOUSING BOTTOM BETWEEN THE LAST NAMED CONVEYOR FLIGHTS, TO BE PROPELLED THEREBY FROM THE HOUSING HORIZONTAL PORTION TO THE DISCHARGE OF THE SLOPING PORTION
References Cited (Backward Citations)
US2380264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |