US3206048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shovel excavator
Assignee: UNICOVSKE STROJIRNY NARODNI PODNIK
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Filing: 1963-06-03
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Granted: 1965-09-14
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Expires: 1983-06-03
Abstract
No abstract record available.
Inventors
- 👤 Weiss Vlastimil
- 👤 Sedlak Jaroslav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:37
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/427; E02F3/30; E02F3/308; E02F7/00; E02F7/02; E02F7/026; E02F7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
344 words
A SHOVEL EXCAVATOR COMPRISING, IN COMBINATION: (A) TRUCK MEANS; (B) BASE MEANS ROTATABLE ON SAID TRUCK MEANS ABOUT A VERTICALLY EXTENDING AXIS; (C) A SUPERSTRUCTURE MOUNTED ON SAID BASE MEANS, SAID SUPERSTRUCTURE EXTENDING UPWARD FROM SAID BASE MEANS AND BEING ROTATABLE THEREON ABOUT A VERTICALLY EXTENDING AXIS; (D) AN ELONGATED DISCHARGE CONVEYOR HAVING ONE END PORTION PIVOTALLY CONNECTED TO SAID BASE MEANS; (E) WINCH MEANS ON SAID SUPERSTRUCTURE FOR PIVOTING SAID CONVEYOR ON SAID BASE MEANS; (F) AN ELONGATED JIB MOUNTED ON SAID SUPERSTRUCTURE AND EXTENDING THEREFROM IN AN UPWARD AND FORWARD DIRECTION; (G) AN ARM HAVING ONE END PORTION PIVOTALLY ATTACHED TO SAID SUPERSTRUCTURE, AND ANOTHER END PORTION NORMALLY UPWARDLY SPACED FROM SAID ONE END PORTION; (H) AN ELONGATED OCNTROL BEAM OUNTED ON A PORTION OF SAID SUPERSTRUCTURE FOR LONGITUDINAL SLIDING MOVEMENT IN A FORWARD AND BACKWARD DIRECTION AND FOR PIVOTING MOVEMENT IN A VERTICALLY EXTENDING PLANE, THE FORWARD END OF SAID BEAM BEING PIVOTALLY CONNECTED TO SAID OTHER END PORTION OF SAID ARM; (I) AN ELONGATED BOOM HAVING ONE END PORTION PIVOTALLY CONNECTED TO SAID OTHER END PORTION OF SAID ARM AND A FREE END PORTION NORMALLY SPACED FROM SAID ONE PORTION OF SAID BOOM IN A FORWARD DIRECTION; (J) A SHOVEL ON SAID FREE END PORTION; (K) MEANS FOR ACTUATING PIVOTING MOVEMENT OF SAID BOOM ABOUT SAID OTHER END PORTION OF SAID ARM; (L) MEANS FOR ACTUATING FORWARD SLIDING MOVEMENT OF SAID CONTROL BEAM ON SAID PORTION OF SAID SUPERSTRUCTURE; (M) HOPPER MEANS ON A PORTION OF SAID SUPERSTRUCTURE DOWNWARDLY SPACED FROM SAID OTHER END PORTION OF SAID ARM FOR DELIVERING INTERMITTENLY RECEIVED EXCAVATED MATERIAL TO SAID DISCHARGE CONVEYOR IN A CONTINUOUS STREAM; (N) A CHUTE HAVING TWO TELESCOPINGLY ENGAGED PORITIONS RESPECTIVELY SECURED TO SAID HOPPER AND TO SAID OTHEREND PORTION OF SAID ARM; AND (O) CONVEYOR MEANS EXTENDING ON SAID BOOM FROM SAID SHOVEL TO SAID OTHER END PORTION OF SAID ARM FOR CONVEYING MATERIAL EXCAVATED BY SAID SHOVEL TO SAID CHUTE WHILE SAID SHOVEL MOVES UPWARD FROM A POSITION DOWNWARLDY SPACED FROM SAID OTHER END PORTION OF SAID ARM.
Claim 2
Dependent Claim
344 words
A SHOVEL EXCAVATOR COMPRISING, IN COMBINATION: (A) TRUCK MEANS; (B) BASE MEANS ROTATABLE ON SAID TRUCK MEANS ABOUT A VERTICALLY EXTENDING AXIS; (C) A SUPERSTRUCTURE MOUNTED ON SAID BASE MEANS, SAID SUPERSTRUCTURE EXTENDING UPWARD FROM SAID BASE MEANS AND BEING ROTATABLE THEREON ABOUT A VERTICALLY EXTENDING AXIS; (D) AN ELONGATED DISCHARGE CONVEYOR HAVING ONE END PORTION PIVOTALLY CONNECTED TO SAID BASE MEANS; (E) WINCH MEANS ON SAID SUPERSTRUCTURE FOR PIVOTING SAID CONVEYOR ON SAID BASE MEANS; (F) AN ELONGATED JIB MOUNTED ON SAID SUPERSTRUCTURE AND EXTENDING THEREFROM IN AN UPWARD AND FORWARD DIRECTION; (G) AN ARM HAVING ONE END PORTION PIVOTALLY ATTACHED TO SAID SUPERSTRUCTURE, AND ANOTHER END PORTION NORMALLY UPWARDLY SPACED FROM SAID ONE END PORTION; (H) AN ELONGATED OCNTROL BEAM OUNTED ON A PORTION OF SAID SUPERSTRUCTURE FOR LONGITUDINAL SLIDING MOVEMENT IN A FORWARD AND BACKWARD DIRECTION AND FOR PIVOTING MOVEMENT IN A VERTICALLY EXTENDING PLANE, THE FORWARD END OF SAID BEAM BEING PIVOTALLY CONNECTED TO SAID OTHER END PORTION OF SAID ARM; (I) AN ELONGATED BOOM HAVING ONE END PORTION PIVOTALLY CONNECTED TO SAID OTHER END PORTION OF SAID ARM AND A FREE END PORTION NORMALLY SPACED FROM SAID ONE PORTION OF SAID BOOM IN A FORWARD DIRECTION; (J) A SHOVEL ON SAID FREE END PORTION; (K) MEANS FOR ACTUATING PIVOTING MOVEMENT OF SAID BOOM ABOUT SAID OTHER END PORTION OF SAID ARM; (L) MEANS FOR ACTUATING FORWARD SLIDING MOVEMENT OF SAID CONTROL BEAM ON SAID PORTION OF SAID SUPERSTRUCTURE; (M) HOPPER MEANS ON A PORTION OF SAID SUPERSTRUCTURE DOWNWARDLY SPACED FROM SAID OTHER END PORTION OF SAID ARM FOR DELIVERING INTERMITTENLY RECEIVED EXCAVATED MATERIAL TO SAID DISCHARGE CONVEYOR IN A CONTINUOUS STREAM; (N) A CHUTE HAVING TWO TELESCOPINGLY ENGAGED PORITIONS RESPECTIVELY SECURED TO SAID HOPPER AND TO SAID OTHEREND PORTION OF SAID ARM; AND (O) CONVEYOR MEANS EXTENDING ON SAID BOOM FROM SAID SHOVEL TO SAID OTHER END PORTION OF SAID ARM FOR CONVEYING MATERIAL EXCAVATED BY SAID SHOVEL TO SAID CHUTE WHILE SAID SHOVEL MOVES UPWARD FROM A POSITION DOWNWARLDY SPACED FROM SAID OTHER END PORTION OF SAID ARM.
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |