Patent US3289872A successfully refreshed from Google Patents.
US3289872A
Expired / Lapsed
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Order picking and stacking truck
Assignee: LEWIS-SHEPARD Co
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Filing: 1964-04-20
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Granted: 1966-12-06
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Peratoner Carlo
- 👤 Lornts B Nilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:41
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A COMBINATION ORDER PICKING AND STACKING TRUCK COMPRISING A MOBILE BASE, A MAST ASSEMBLY EXTENDING UPWARDLY FROM SAID BASE AT A FIXED ANGLE THERETO, A SUBSTANTIALLY HORIZONTAL PLATFORM MOVABLY VERTICALLY ON SAID MAST ASSEMBLY, A TILTING FORK ATTACHED AT AN INTERMEDIATE PIVOT POINT TO THE UNDERSIDE OF SAID PLATFORM, THE BACK PORTION OF SAID FORK TO THE REAR OF SAID INTERMEDIATE PIVOT POINT POSITIONED BENEATH SAID PLATFORM WITH THE REMAINING FRONT PORTION OF SAID FORK FORWARD OF SAID INTERMEDIATE PIVOT POINT EXTENDING OUTWARDLY FORM SAID PLATFORM, PIVOTAL MEANS OPERATIVELY CONNECTED INTERMEDIATE THE UNDERSURFACE OF SAID PLATFORM AND THE BACK PORTION OF SAID FORK, SAID PIVOTAL MEANS OPERATIVE TO PIVOT SAID FORK ABOUT SAID INTERMEDIATE PIVOT POINT IN ORDER TO CAUSE TILTING OF SAID FRONT PORTION IN RELATION TO SAID PLATFORM, AND CONTROL MEANS MOUNTED ON SAID OPERATING PLATFORM FOR CONTROLLING THE VERTICAL MOVEMENT THEREOF AS WELL AS THE MOVEMENT OF SAID MOBILE BASE AND THE PIVOTAL DISPLACEMENT OF SAID FORK.
Claim 2
Dependent Claim
160 words
A COMBINATION ORDER PICKING AND STACKING TRUCK COMPRISING A MOBILE BASE, A MAST ASSEMBLY EXTENDING UPWARDLY FROM SAID BASE AT A FIXED ANGLE THERETO, A SUBSTANTIALLY HORIZONTAL PLATFORM MOVABLY VERTICALLY ON SAID MAST ASSEMBLY, A TILTING FORK ATTACHED AT AN INTERMEDIATE PIVOT POINT TO THE UNDERSIDE OF SAID PLATFORM, THE BACK PORTION OF SAID FORK TO THE REAR OF SAID INTERMEDIATE PIVOT POINT POSITIONED BENEATH SAID PLATFORM WITH THE REMAINING FRONT PORTION OF SAID FORK FORWARD OF SAID INTERMEDIATE PIVOT POINT EXTENDING OUTWARDLY FORM SAID PLATFORM, PIVOTAL MEANS OPERATIVELY CONNECTED INTERMEDIATE THE UNDERSURFACE OF SAID PLATFORM AND THE BACK PORTION OF SAID FORK, SAID PIVOTAL MEANS OPERATIVE TO PIVOT SAID FORK ABOUT SAID INTERMEDIATE PIVOT POINT IN ORDER TO CAUSE TILTING OF SAID FRONT PORTION IN RELATION TO SAID PLATFORM, AND CONTROL MEANS MOUNTED ON SAID OPERATING PLATFORM FOR CONTROLLING THE VERTICAL MOVEMENT THEREOF AS WELL AS THE MOVEMENT OF SAID MOBILE BASE AND THE PIVOTAL DISPLACEMENT OF SAID FORK.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |