US3313437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loader shovels and shovel tilting means
Assignee: Atlas Copco AB
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Filing: 1965-04-05
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Granted: 1967-04-11
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Eriksson Sven-Erik Nore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:07
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/34; E02F3/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A SIDE DUMPING SHOVEL STRUCTURE FOR A FRONT LOADER, A SHOVEL, A SHOVEL RAISING STRUCTURE CARRYING SAID SHOVEL, POWER MEANS FOR MOVING SAID SHOVEL FROM A LOW DIGGING POSITION TO A RAISED DISCHARGE POSITION, A BRACKET ON SAID RAISING STRUCTURE FORMING A TRANSVERSE GUIDEWAY, TWO GUIDE MEMBERS ON SAID SHOVEL SPACED APART SIDEWAYS AND ARRANGED TO GUIDE SAID SHOVEL IN A TRANSVERSE MOVEMENT IN SAID GUIDEWAY FROM A NEUTRAL POSITION IN WHICH SIDE DUMPING IS PREVENTED SELECTIVELY TO A FIRST SIDE POSITION IN WHICH THE SHOVEL MAY BE DUMPED TO THE RIGHT SIDE OR TO A SECOND SIDE POSITION IN WHICH THE SHOVEL MAY BE DUMPED TO THE LEFT SIDE AND PREVENTING IN ALL POSITIONS FRONT OR REAR TILTING OF THE SHOVEL RELATIVE TO THE BRACKET, POWER MEANS ON THE BRACKET FOR MOVING THE SHOVEL SIDEWAYS SELECTIVELY FROM SAID NEUTRAL POSITION TO SAID FIRST OR SECOND POSITIONS,
Claim 2
Dependent Claim
148 words
IN A SIDE DUMPING SHOVEL STRUCTURE FOR A FRONT LOADER, A SHOVEL, A SHOVEL RAISING STRUCTURE CARRYING SAID SHOVEL, POWER MEANS FOR MOVING SAID SHOVEL FROM A LOW DIGGING POSITION TO A RAISED DISCHARGE POSITION, A BRACKET ON SAID RAISING STRUCTURE FORMING A TRANSVERSE GUIDEWAY, TWO GUIDE MEMBERS ON SAID SHOVEL SPACED APART SIDEWAYS AND ARRANGED TO GUIDE SAID SHOVEL IN A TRANSVERSE MOVEMENT IN SAID GUIDEWAY FROM A NEUTRAL POSITION IN WHICH SIDE DUMPING IS PREVENTED SELECTIVELY TO A FIRST SIDE POSITION IN WHICH THE SHOVEL MAY BE DUMPED TO THE RIGHT SIDE OR TO A SECOND SIDE POSITION IN WHICH THE SHOVEL MAY BE DUMPED TO THE LEFT SIDE AND PREVENTING IN ALL POSITIONS FRONT OR REAR TILTING OF THE SHOVEL RELATIVE TO THE BRACKET, POWER MEANS ON THE BRACKET FOR MOVING THE SHOVEL SIDEWAYS SELECTIVELY FROM SAID NEUTRAL POSITION TO SAID FIRST OR SECOND POSITIONS,
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |