US3175676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting hopper elevator
Assignee: Sioux Steel Co
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Filing: 1963-07-01
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Granted: 1965-03-30
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Schaaf Douwie J Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:52
CPC Classifications
B; B65; B65G; B65G67/00; B65G67/02; B65G67/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN AUGER TYPE CONVEYOR HAVING A TILTABLE SECTION, SAID CONVEYOR COMPRISING A FIRST AUGER TUBE, A SECOND AUGER TUBE SPACED FROM SAID FIRST AUGER TUBE, A RIGID JUNCTION MEMBER SECURED TO SAID FIRST AUGER TUBE FOR SUBSTANTIALLY ENCLOSING THE SPACE BETWEEN SAID FIRST AND SECOND AUGER TUBES, SAID SECOND AUGER TUBE BEING MOUNTED ON SAID JUNCTION MEMBER FOR PIVOTABLE MOVEMENT ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A LED HINGEDLY ATTACHED TO SAID JUNCTION MEMBER FOR PIVOTABLE MOVEMENT ABOUT A HORIZONTAL AXIS, MEANS FOR BIASING SAID LID TOWARDS THE UPPERMOST PORTION OF SAID AUGER TUBE FOR DIRECTING SAID LID INTO CLOSE PROXIMITY WITH SAID SECOND AUGER TUBE REGARDLESS OF THE PARTICULAR PIVOTED POSITION OF SAID SECOND AUGER TUBE, AND A FLEXIBLE BOOT SECURED TO SAID SECOND AUGER TUBE FOR SUBSTANTIALLY ENCLOSING THE SPACE BETWEEN SAID SECOND AUGER TUBE AND SAID JUNCTION MEMBER.
Claim 2
Dependent Claim
140 words
AN AUGER TYPE CONVEYOR HAVING A TILTABLE SECTION, SAID CONVEYOR COMPRISING A FIRST AUGER TUBE, A SECOND AUGER TUBE SPACED FROM SAID FIRST AUGER TUBE, A RIGID JUNCTION MEMBER SECURED TO SAID FIRST AUGER TUBE FOR SUBSTANTIALLY ENCLOSING THE SPACE BETWEEN SAID FIRST AND SECOND AUGER TUBES, SAID SECOND AUGER TUBE BEING MOUNTED ON SAID JUNCTION MEMBER FOR PIVOTABLE MOVEMENT ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, A LED HINGEDLY ATTACHED TO SAID JUNCTION MEMBER FOR PIVOTABLE MOVEMENT ABOUT A HORIZONTAL AXIS, MEANS FOR BIASING SAID LID TOWARDS THE UPPERMOST PORTION OF SAID AUGER TUBE FOR DIRECTING SAID LID INTO CLOSE PROXIMITY WITH SAID SECOND AUGER TUBE REGARDLESS OF THE PARTICULAR PIVOTED POSITION OF SAID SECOND AUGER TUBE, AND A FLEXIBLE BOOT SECURED TO SAID SECOND AUGER TUBE FOR SUBSTANTIALLY ENCLOSING THE SPACE BETWEEN SAID SECOND AUGER TUBE AND SAID JUNCTION MEMBER.
References Cited (Backward Citations)
US1163057A
Cited
US2613004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |