US3268101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side dump bucket
Assignee: Allis Chalmers Corp
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Filing: 1962-01-17
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Granted: 1966-08-23
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Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Pensa Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN AN EXCAVATING VEHICLE, THE COMBINATON OF A BUCKET SUPPORT STRUCTURE HAVING A PIVOT ELEMENT AT EACH OF ITS LATERALLY OPPOSITE SIDES, A BUCKET STRUCTURE HAVING A PAIR OF LATERALLY SPACED PIVOT MEMBERS ADAPTED FOR PIVOTAL CONNECTION WITH SAID PIVOT ELEMENTS, RESPECTIVELY, HYDRAULIC CONTROL MEANS FOR SELECTIVELY CONNECTING ONE OF SAID ELEMENTS TO ONE OF SAID MEMBERS FOR RELATIVE PIVOTAL MOVEMENT, CAMMING SURFACES FORMED ON SAID BUCKET AT LATERALLY OPPOSITE SIDES OF THE LONGITUDINAL CENTER OF SAID VEHICLE, A DOUBLE HYDRAULIC RAM INCLUDING A CYLINDER PARTITIONED INTO TWO CHAMBERS MOUNTED ON SAID SUPPORT AND A PAIR OF RECIPROCABLE PISTONS IN SAID CHAMBERS WITH RODS, RESPECTIVELY, EXTENDING LATERALLY FROM OPPOSITE ENDS OF SAID CYLINDER, AND ROLLERS ON SAID RODS IN CONFRONTING RELATION TO SAID CAMMING SURFACES, ONE OF SAID ROLLERS ENGAGING ONE OF SAID CAMMING SURFACES UPON OUTWARD MOVEMENT OF THE ROD ASSOCIATED THEREWITH.
Claim 2
Dependent Claim
143 words
IN AN EXCAVATING VEHICLE, THE COMBINATON OF A BUCKET SUPPORT STRUCTURE HAVING A PIVOT ELEMENT AT EACH OF ITS LATERALLY OPPOSITE SIDES, A BUCKET STRUCTURE HAVING A PAIR OF LATERALLY SPACED PIVOT MEMBERS ADAPTED FOR PIVOTAL CONNECTION WITH SAID PIVOT ELEMENTS, RESPECTIVELY, HYDRAULIC CONTROL MEANS FOR SELECTIVELY CONNECTING ONE OF SAID ELEMENTS TO ONE OF SAID MEMBERS FOR RELATIVE PIVOTAL MOVEMENT, CAMMING SURFACES FORMED ON SAID BUCKET AT LATERALLY OPPOSITE SIDES OF THE LONGITUDINAL CENTER OF SAID VEHICLE, A DOUBLE HYDRAULIC RAM INCLUDING A CYLINDER PARTITIONED INTO TWO CHAMBERS MOUNTED ON SAID SUPPORT AND A PAIR OF RECIPROCABLE PISTONS IN SAID CHAMBERS WITH RODS, RESPECTIVELY, EXTENDING LATERALLY FROM OPPOSITE ENDS OF SAID CYLINDER, AND ROLLERS ON SAID RODS IN CONFRONTING RELATION TO SAID CAMMING SURFACES, ONE OF SAID ROLLERS ENGAGING ONE OF SAID CAMMING SURFACES UPON OUTWARD MOVEMENT OF THE ROD ASSOCIATED THEREWITH.
References Cited (Backward Citations)
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US2631745A
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US2821313A
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US3022910A
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |