Patent US3073464A successfully refreshed from Google Patents.
US3073464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mine haulage vehicle
Assignee: Joy Manufacturing Co
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Filing: 1959-05-11
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Granted: 1963-01-15
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Merle L Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:12
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/142; B62D7/144; B60; B60K; B60K1/00; B60K1/02; E; E21; E21F; E21F13/00; E21F13/02; E21F13/025; B60L; B60L2200/00; B60L2200/40; B60L2200/44; Y; Y02; Y02P; Y02P90/00; Y02P90/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
AN ARTICULATED MINE HAULAGE VEHICLE COMPRISING A PAIR OF INTERCONNECTED BODY SECTIONS HAVING ALL ENDS OPEN WITH THE ADJACENT ENDS OPEN TO EACH OTHER TO DEFINE A CONTINUOUS PASSAGE FLOOR IN SAID BODY SECTIONS; SAID BODY SECTIONS HAVE UPWARDLY EXTENDING SIDE PORTIONS; CONVEYING MEANS MOUNTED IN SAID BODY SECTIONS FOR COOPERATING WITH SAID FLOOR PASSAGE FOR MOVING MATERIAL OVER SAID FLOOR AND ADAPTED TO CONVEY MATERIAL CONTINUOUSLY THROUGH SAID BODY SECTIONS FOR STORAGE, RECEVING AND DISCHARGE PURPOSES; PIVOT MEANS CONNECTING SAID BODY SECTIONS AT SAID ADJACENT ENDS FOR PIVOTAL MOVEMENT THROUGH AN ARC RELATIVE TO EACH OTHER; A PAIR OF TRACTION WHEELS MOUNTED ON ONE OF SAID BODY SECTIONS ADJACENT SAID PIVOT MEANS; STEERABLE SUPPORTING WHEELS AT THE RESPECTIVE ENDS REMOTE FROM SAID ADJACENT ENDS OF SAID INTERCONNECTED BODY SECTION; MEANS MOUNTED ON ONE OF SAID BODY SECTIONS FOR DRIVING SAID TRACTION WHEELS; AND PRESSURIZED MEANS LOCATED ADJACENT SAID PIVOT MEANS OPERATIVELY CONNECTING SAID UPWARDLY EXTENDING SIDE PORTIONS OF THE RESPECTIVE SAID BODY SECTIONS FOR BIASING SAID OPPOSITE ENDS OF SAID BODY SECTIONS TOWARD EACH OTHER FOR INCREASING THE LOAD INTO SAID TRACTION WHEELS.
Claim 2
Dependent Claim
184 words
AN ARTICULATED MINE HAULAGE VEHICLE COMPRISING A PAIR OF INTERCONNECTED BODY SECTIONS HAVING ALL ENDS OPEN WITH THE ADJACENT ENDS OPEN TO EACH OTHER TO DEFINE A CONTINUOUS PASSAGE FLOOR IN SAID BODY SECTIONS; SAID BODY SECTIONS HAVE UPWARDLY EXTENDING SIDE PORTIONS; CONVEYING MEANS MOUNTED IN SAID BODY SECTIONS FOR COOPERATING WITH SAID FLOOR PASSAGE FOR MOVING MATERIAL OVER SAID FLOOR AND ADAPTED TO CONVEY MATERIAL CONTINUOUSLY THROUGH SAID BODY SECTIONS FOR STORAGE, RECEVING AND DISCHARGE PURPOSES; PIVOT MEANS CONNECTING SAID BODY SECTIONS AT SAID ADJACENT ENDS FOR PIVOTAL MOVEMENT THROUGH AN ARC RELATIVE TO EACH OTHER; A PAIR OF TRACTION WHEELS MOUNTED ON ONE OF SAID BODY SECTIONS ADJACENT SAID PIVOT MEANS; STEERABLE SUPPORTING WHEELS AT THE RESPECTIVE ENDS REMOTE FROM SAID ADJACENT ENDS OF SAID INTERCONNECTED BODY SECTION; MEANS MOUNTED ON ONE OF SAID BODY SECTIONS FOR DRIVING SAID TRACTION WHEELS; AND PRESSURIZED MEANS LOCATED ADJACENT SAID PIVOT MEANS OPERATIVELY CONNECTING SAID UPWARDLY EXTENDING SIDE PORTIONS OF THE RESPECTIVE SAID BODY SECTIONS FOR BIASING SAID OPPOSITE ENDS OF SAID BODY SECTIONS TOWARD EACH OTHER FOR INCREASING THE LOAD INTO SAID TRACTION WHEELS.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |