Patent US3075437A successfully refreshed from Google Patents.
US3075437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Completely pneumatic suspension device for a towed, vibrating tamping road roller
Assignee: Individual
•
Filing: 1959-08-25
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Granted: 1963-01-29
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Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Domenighetti Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:45
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/22; E01C19/23; E01C19/28; E01C19/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A PNEUMATIC SUSPENSION DEVICE FOR A TAMPING ROAD ROLLER HAVING A MOTOR, THE COMBINATION OF A VIBRATING DRUM, VIBRATING MEANS IN SAID DRUM, COUPLED TO SAID MOTOR, FIRST PNEUMATIC RINGS CO-AXIAL WITH THE AXIS OF ROTATION OF SAID VIBRATING DRUM, WITH A NON-VIBRATING FRAME COMPRISING A MAIN HORIZONTAL PART SUPPORTING SAID MOTOR AND BEING SUPPORTED BY SAID VIBRATING DRUM, A SECONDARY ARCHED PART FORMING A BRIDGE ON SAID MAIN PART, FIXEDLY CONNECTED TO THE LATTER, SAID MAIN PART BEING SUPPORTED BY SAID VIBRATING DRUM THROUGH SAID FIRST PNEUMATIC RINGS, AND AT LEAST ONE SECOND PNEUMATIC RING TANGENT TO THE OUTER SURFACE OF SAID VIBRATING DRUM SAID SECOND RING ROTATABLY MOUNTED ON A SHAFT ARRANGED ON SAID SECONDARY ARCHED PART OF SAID NON-VIBRATING FRAME APPROXIMATELY VERTICALLY ON TOP OF SAID DRUM.
Claim 2
Dependent Claim
131 words
IN A PNEUMATIC SUSPENSION DEVICE FOR A TAMPING ROAD ROLLER HAVING A MOTOR, THE COMBINATION OF A VIBRATING DRUM, VIBRATING MEANS IN SAID DRUM, COUPLED TO SAID MOTOR, FIRST PNEUMATIC RINGS CO-AXIAL WITH THE AXIS OF ROTATION OF SAID VIBRATING DRUM, WITH A NON-VIBRATING FRAME COMPRISING A MAIN HORIZONTAL PART SUPPORTING SAID MOTOR AND BEING SUPPORTED BY SAID VIBRATING DRUM, A SECONDARY ARCHED PART FORMING A BRIDGE ON SAID MAIN PART, FIXEDLY CONNECTED TO THE LATTER, SAID MAIN PART BEING SUPPORTED BY SAID VIBRATING DRUM THROUGH SAID FIRST PNEUMATIC RINGS, AND AT LEAST ONE SECOND PNEUMATIC RING TANGENT TO THE OUTER SURFACE OF SAID VIBRATING DRUM SAID SECOND RING ROTATABLY MOUNTED ON A SHAFT ARRANGED ON SAID SECONDARY ARCHED PART OF SAID NON-VIBRATING FRAME APPROXIMATELY VERTICALLY ON TOP OF SAID DRUM.
References Cited (Backward Citations)
US1935950A
Cited
US2704968A
Cited
FR1101776A
Cited
US2812696A
Cited
CH331772A
Cited
US2933354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |