Patent US3228312A successfully refreshed from Google Patents.
US3228312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-wheel road roller
Assignee: Individual
•
Filing: 1962-05-17
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Granted: 1966-01-11
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Neidhardt Heinz Werner
- 👤 Schafer Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:09
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A MULTIWHEEL ASSEMBLY FOR A ROAD ROLLER, COMPRISING CENTRAL WHEEL MEANS; FIRST AND SECOND OUTER WHEEL MEANS FLANKING SAID CENTRAL WHEEL MEANS; AND A COMMON DRIVE FOR ALL SAID WHEEL MEANS INCLUDING A POWER SHAFT, A DIFFERENTIAL HOUSING DIRECTLY AND POSITIVELY CONNECTED WITH SAID CENTRAL WHEEL MEANS AND COUPLED WITH SAID POWER SHAFT FOR ROTATION ABOUT THE AXIS OF SAID CENTRAL WHEEL MEANS TOGETHER WITH THE LATTER, SAID HOUSING BEING DISPOSED BETWEEN SAID CENTRAL WHEEL MEANS AND SAID FIRST OUTER WHEEL MEANS, DIFFERENTIAL GEAR MEANS IN SAID HOUSING INCLUDING A PAIR OF SUN GEARS CENTERED ON SAID AXIS, A FIRST DRIVEN SHAFT CONNECTING ONE OF SAID SUN GEAR WITH SAID FIRST OUTER WHEEL MEAN, AND A SECOND DRIVEN SHAFT CONNECTING THE OTHER OF SAID SUN GEARS WITH SAID SECOND OUTER WHEEL MEANS, SAID SECOND DRIVEN SHAFT PASSING AXIALLY THROUGH SAID CENTRAL WHEEL MEANS.
Claim 2
Dependent Claim
143 words
A MULTIWHEEL ASSEMBLY FOR A ROAD ROLLER, COMPRISING CENTRAL WHEEL MEANS; FIRST AND SECOND OUTER WHEEL MEANS FLANKING SAID CENTRAL WHEEL MEANS; AND A COMMON DRIVE FOR ALL SAID WHEEL MEANS INCLUDING A POWER SHAFT, A DIFFERENTIAL HOUSING DIRECTLY AND POSITIVELY CONNECTED WITH SAID CENTRAL WHEEL MEANS AND COUPLED WITH SAID POWER SHAFT FOR ROTATION ABOUT THE AXIS OF SAID CENTRAL WHEEL MEANS TOGETHER WITH THE LATTER, SAID HOUSING BEING DISPOSED BETWEEN SAID CENTRAL WHEEL MEANS AND SAID FIRST OUTER WHEEL MEANS, DIFFERENTIAL GEAR MEANS IN SAID HOUSING INCLUDING A PAIR OF SUN GEARS CENTERED ON SAID AXIS, A FIRST DRIVEN SHAFT CONNECTING ONE OF SAID SUN GEAR WITH SAID FIRST OUTER WHEEL MEAN, AND A SECOND DRIVEN SHAFT CONNECTING THE OTHER OF SAID SUN GEARS WITH SAID SECOND OUTER WHEEL MEANS, SAID SECOND DRIVEN SHAFT PASSING AXIALLY THROUGH SAID CENTRAL WHEEL MEANS.
References Cited (Backward Citations)
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |