Patent US3608756A successfully refreshed from Google Patents.
US3608756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical excavator or other earth working machine
Assignee: Poclain SA
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Filing: 1969-06-04
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Granted: 1971-09-28
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Expires: 1989-06-04
Abstract
Abstract This invention consists in providing a mechanical excavator or other earth working machine having a rotary implement carrying turret with stabilizing legs mounted on a support which is rotatably mounted on the machine about an axis coaxial with the turret so that said stabilizing legs can be swung to an inoperative position fore and aft of the machine or an operative position in which they extend laterally of the machine.
Inventors
- 👤 Gabriel L Guinot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:40
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/08; E02F9/085; E02F9/10; E02F9/12; E02F9/121
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
84 words
An earth-working machine, such as a mechanical excavator, comprising an endless track or wheeled chassis, a turret rotatably mounted on said chassis and carrying an earth-working implement and stabilizing means mounted on said chassis, said stabilizing means comprising a rotary support rotatably mounted on said chassis about an axis coaxial with the turret axis, stabilizing legs mounted on said support and each provided at its outer free end with an anchoring shoe having a length not greater than the overall width of the machine.
Claim 2
Dependent Claim
84 words
An earth-working machine, such as a mechanical excavator, comprising an endless track or wheeled chassis, a turret rotatably mounted on said chassis and carrying an earth-working implement and stabilizing means mounted on said chassis, said stabilizing means comprising a rotary support rotatably mounted on said chassis about an axis coaxial with the turret axis, stabilizing legs mounted on said support and each provided at its outer free end with an anchoring shoe having a length not greater than the overall width of the machine.
Claim 3
Dependent Claim
32 words
An earth-working machine according to claim 1, wherein said stabilizing legs are pivotally mounted on said rotary supports and ram means are provided for moving said legs into operative or inoperative position.
Claim 4
Dependent Claim
25 words
An earth-working machine according to claim 2 wherein means are provided for locking said rotary support and said turret in their operative or inoperative position.
Claim 5
Dependent Claim
42 words
An earth-working machine according to claim 1, wherein locking means are provided for locking said rotary support in the position in which the stabilizing legs are in operative position or in a position in which the stabiliZing legs are in inoperative position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |