US3098555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge elevator
Assignee: Deere and Co
•
Filing: 1961-05-03
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Granted: 1963-07-23
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Billie L Harriott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:48
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
FOR USE WITH A DISCHARGE ELEVATOR FOR A MATERIAL CONTAINER HAVING AN UPRIGHT SIDE WALL, THE ELEVATOR BEING OF THE TYPE HAVING A VERTICALLY DISPOSED ELEVATOR HOUSING ADAPTED TO SWING ABOUT A HORIZONTAL AXIS AND IN A PLANE SUBSTANTIALLY PARALLEL TO THE WALL, THE IMPROVEMENT COMPRISING: A RIGID TUBULAR MEMBER FIXED TO THE WALL ABOVE THE AXIS WITH OPPOSITE ENDS THEREOF EXTENDING TO OPPOSITE SIDES OF THE AXIS, THE TUBULAR MEMBER FURTHER BEING ARCUATE SHAPED WITH A RADIUS OF CURVATURE STRUCK SUBSTANTIALLY ON SAID AXIS; A COIL SPRING CONTAINED WITHIN THE TUBULAR MEMBER WITH OPPOSITE ENDS THEREOF EXTENDING OUTWARDLY THE RESPECTIVE ENDS OF THE MEMBER; LUGS MOUNTED ON OPPOSITE ENDS OF THE SPRING AND EXTENDING OUTWARDLY THEREFROM TO CONTACT THE ENDS OF THE TUBULAR MEMBER; AN ARCUATE TRACK SPACED FROM THE TUBULAR MEMBER AND MOUNTED ON THE WALL, THE TRACK BEING ARCUATE SHAPED WITH A RADIUS OF CURVATURE STRUCK SUBSTANTIALLY ON THE AXIS; RIGID ELEMENTS RIGIDLY MOUNTED ON THE ELEVATOR HOUSING PROJECTING TOWARD THE WALL, PART OF THE ELEMENTS BEING POSITIONED TO ENGAGE THE LUGS ON THE SPRING AND PART OF SAID ELEMENTS BEING POSITIONED ALONGSIDE THE TRACK; AND MEANS ON THE TRACK FOR LOCKING THE LATTER PART OF SAID ELEMENTS AGAINST MOVEMENT.
Claim 2
Dependent Claim
203 words
FOR USE WITH A DISCHARGE ELEVATOR FOR A MATERIAL CONTAINER HAVING AN UPRIGHT SIDE WALL, THE ELEVATOR BEING OF THE TYPE HAVING A VERTICALLY DISPOSED ELEVATOR HOUSING ADAPTED TO SWING ABOUT A HORIZONTAL AXIS AND IN A PLANE SUBSTANTIALLY PARALLEL TO THE WALL, THE IMPROVEMENT COMPRISING: A RIGID TUBULAR MEMBER FIXED TO THE WALL ABOVE THE AXIS WITH OPPOSITE ENDS THEREOF EXTENDING TO OPPOSITE SIDES OF THE AXIS, THE TUBULAR MEMBER FURTHER BEING ARCUATE SHAPED WITH A RADIUS OF CURVATURE STRUCK SUBSTANTIALLY ON SAID AXIS; A COIL SPRING CONTAINED WITHIN THE TUBULAR MEMBER WITH OPPOSITE ENDS THEREOF EXTENDING OUTWARDLY THE RESPECTIVE ENDS OF THE MEMBER; LUGS MOUNTED ON OPPOSITE ENDS OF THE SPRING AND EXTENDING OUTWARDLY THEREFROM TO CONTACT THE ENDS OF THE TUBULAR MEMBER; AN ARCUATE TRACK SPACED FROM THE TUBULAR MEMBER AND MOUNTED ON THE WALL, THE TRACK BEING ARCUATE SHAPED WITH A RADIUS OF CURVATURE STRUCK SUBSTANTIALLY ON THE AXIS; RIGID ELEMENTS RIGIDLY MOUNTED ON THE ELEVATOR HOUSING PROJECTING TOWARD THE WALL, PART OF THE ELEMENTS BEING POSITIONED TO ENGAGE THE LUGS ON THE SPRING AND PART OF SAID ELEMENTS BEING POSITIONED ALONGSIDE THE TRACK; AND MEANS ON THE TRACK FOR LOCKING THE LATTER PART OF SAID ELEMENTS AGAINST MOVEMENT.
References Cited (Backward Citations)
US2960320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |