Patent US268368A successfully refreshed from Google Patents.
Patent US3096896A successfully refreshed from Google Patents.
US3096896A
Expired / Lapsed
US
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Attachment for forklift trucks
Assignee: Individual
•
Filing: 1961-05-04
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Granted: 1963-07-09
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Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Desmond H Norton
- 👤 Jeff D Castleberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:03
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/14; B66F9/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ATTACHMENT FOR FORKLIFT TRUCKS, COMPRISING A FRAME ADAPTED TO BE MOUNTED UPON THE CARRIAGE OF A FORKLIFT TRUCK, A BEARING ASSEMBLY MOUNTED ON SAID FRAME A SHAFT FIXEDLY MOUNTED IN SAID BEARING ASSEMBLY, A FORKHANGER BOOM PIVOTALLY MOUNTED ON SAID FIXED SHAFT, A SPROCKET FIXED UPON SAID FIXED SHAFT IN COAXIAL RELATION THERETO, A SECOND SHAFT FIXEDLY MOUNTED IN SAID BOOM REMOTE FROM SAID FIXED SHAFT AND HAVING ITS AXIS PARALLEL TO THE AXIS THEREOF, A SPROCKET FREELY ROTATABLE UPON SAID REMOTE SHAFT, A SPROCKET CHAIN MESHED WITH SAID TWO SPROCKETS, A PISTON ROD SUPPORTED AT OPPOSITE ENDS THEREOF FROM SAID TWO SHAFTS, RESPECTIVELY, A PISTON FIXED ON SIAD PISTON ROD, A DOUBLE ACTING CYLINDER MOUNTED IN OPERATIVE RELATIONSHIP WITH SAID PISTON AND PISTON ROD, THE OPPOSITE ENDS OF SAID CHAIN BEING FIXED TO SAID CYLINDER SO THAT PULL MAY BE APPLIED THEREBY TO SAID SPROCKET CHAIN
Claim 2
Dependent Claim
148 words
AN ATTACHMENT FOR FORKLIFT TRUCKS, COMPRISING A FRAME ADAPTED TO BE MOUNTED UPON THE CARRIAGE OF A FORKLIFT TRUCK, A BEARING ASSEMBLY MOUNTED ON SAID FRAME A SHAFT FIXEDLY MOUNTED IN SAID BEARING ASSEMBLY, A FORKHANGER BOOM PIVOTALLY MOUNTED ON SAID FIXED SHAFT, A SPROCKET FIXED UPON SAID FIXED SHAFT IN COAXIAL RELATION THERETO, A SECOND SHAFT FIXEDLY MOUNTED IN SAID BOOM REMOTE FROM SAID FIXED SHAFT AND HAVING ITS AXIS PARALLEL TO THE AXIS THEREOF, A SPROCKET FREELY ROTATABLE UPON SAID REMOTE SHAFT, A SPROCKET CHAIN MESHED WITH SAID TWO SPROCKETS, A PISTON ROD SUPPORTED AT OPPOSITE ENDS THEREOF FROM SAID TWO SHAFTS, RESPECTIVELY, A PISTON FIXED ON SIAD PISTON ROD, A DOUBLE ACTING CYLINDER MOUNTED IN OPERATIVE RELATIONSHIP WITH SAID PISTON AND PISTON ROD, THE OPPOSITE ENDS OF SAID CHAIN BEING FIXED TO SAID CYLINDER SO THAT PULL MAY BE APPLIED THEREBY TO SAID SPROCKET CHAIN
References Cited (Backward Citations)
US2421472A
Cited
FR1038163A
Cited
US2668602A
Cited
GB750793A
Cited
US2896806A
Cited
US2975924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |