Patent US3338543A successfully refreshed from Google Patents.
US3338543A
Expired / Lapsed
US
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Spring suspension for seats
Assignee: Georg Fritzmeier GmbH and Co KG
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Filing: 1965-07-07
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Granted: 1967-08-29
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Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Stuckenberger Anton
- 👤 Tschursch Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:45
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; A; A47; A47C; A47C3/00; A47C3/02; A47C3/025; B60N2/505; B60N2/54; B60N2/548
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A SPRING SUSPENSION FOR A SEAT SUCH AS THE BUCKET SEAT OF A FIELD TRACTOR VEHICLE OR THE LIKE, COMPRISING: A SEAT SUPPORT ADAPTED FOR ATTACHMENT TO THE SEAT AND A BASE PLATE ADAPTED FOR ATTACHEMENT TO THE VEHICLE, A TORSION BAR DEVICE HORIZONTALLY MOUNTED UPON THE UNDERSIDE OF THE SEAT SUPPORT AND DISPOSED TRANSVERSELY TO THE LONGITUDINAL AXIS OF THE SEAT SUPPORT, AT LEAST ONE SWING ARM FIXEDLY ATTACHED AT ONE END TO THE TORSION BAR DEVICE WITH THE FREE END ADAPTED TO MOVE LONGITUDINALLY ABOVE THE BASE PLATE, CHANNEL MEANS MOUNTED LONGITUDINALLY UPON THE BASE PLATE, ROLLER MEANS MOUNTED UPON THE FREE END OF THE SWING ARM AND TRAVELLING WITHIN THE CHANNEL MEANS TO GUIDE THE LONGITUDINAL MOVEMENT OF THE FREE END OF THE SWING ARM, AND, UPON EACH SIDE OF THE SWING ARM, TOGGLE MEANS EXTENDING BETWEEN AND AFFIXED TO THE SEAT SUPPORT AND THE BASE PLATE, MOUNTED EXTERNAL TO THE SWING ARM AND CHANNEL MEANS WITH THEIR OPEN SIDES FACING INWARDLY, THE HINGES OF SAID TOGGLES BEING DISPOSED PARALLEL TO THE LONGITUDINAL AXIS OF THE SEAT SUPPORT.
Claim 2
Dependent Claim
181 words
A SPRING SUSPENSION FOR A SEAT SUCH AS THE BUCKET SEAT OF A FIELD TRACTOR VEHICLE OR THE LIKE, COMPRISING: A SEAT SUPPORT ADAPTED FOR ATTACHMENT TO THE SEAT AND A BASE PLATE ADAPTED FOR ATTACHEMENT TO THE VEHICLE, A TORSION BAR DEVICE HORIZONTALLY MOUNTED UPON THE UNDERSIDE OF THE SEAT SUPPORT AND DISPOSED TRANSVERSELY TO THE LONGITUDINAL AXIS OF THE SEAT SUPPORT, AT LEAST ONE SWING ARM FIXEDLY ATTACHED AT ONE END TO THE TORSION BAR DEVICE WITH THE FREE END ADAPTED TO MOVE LONGITUDINALLY ABOVE THE BASE PLATE, CHANNEL MEANS MOUNTED LONGITUDINALLY UPON THE BASE PLATE, ROLLER MEANS MOUNTED UPON THE FREE END OF THE SWING ARM AND TRAVELLING WITHIN THE CHANNEL MEANS TO GUIDE THE LONGITUDINAL MOVEMENT OF THE FREE END OF THE SWING ARM, AND, UPON EACH SIDE OF THE SWING ARM, TOGGLE MEANS EXTENDING BETWEEN AND AFFIXED TO THE SEAT SUPPORT AND THE BASE PLATE, MOUNTED EXTERNAL TO THE SWING ARM AND CHANNEL MEANS WITH THEIR OPEN SIDES FACING INWARDLY, THE HINGES OF SAID TOGGLES BEING DISPOSED PARALLEL TO THE LONGITUDINAL AXIS OF THE SEAT SUPPORT.
References Cited (Backward Citations)
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US2894563A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |