| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Land smoother | US3684031D | 1970-08-04 | US3684031A | 1972-08-15 | REYNOLDS ELDON J |
| A land smoother having an angled blade with a horizontal capping surface which extends forwardly from the upper edge of a vertical cutting surface. The height of the cutting surface decreases gradually from a maximum at the forward end of the blade to substantially a vanishing point at its rearward end.
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| 82 | Implement hitch | US3659362D | 1970-05-14 | US3659362A | 1972-05-02 | BELL CHARLES GILBERT |
| A hitch for implements of the pushed type including first and second plates, one mounted on a truck and the other on the implement. The plates are aligned and held together by a peg which protrudes from one plate and through a tube attached to the other. A latch lever holds the peg in the tube. Guide blocks on one plate mate with notches on the other to limit relative rotation of the plates. A hydraulic or pneumatic cylinder operates between the hitch and the truck to move the hitch about pivots by which the hitch is connected to the truck.
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| 83 | Leveling mechanism | US3612186D | 1969-12-29 | US3612186A | 1971-10-12 | FUESLEIN JEROME L |
| In an earth-scraping implement of the transversely elongated type supported by laterally spaced wheels which can be vertically moved to raise and lower the implement, the wheels are mounted on arms affixed to and projecting from a transverse rockshaft formed of two parts, one of which can be angularly adjusted relative to the other to level the bowl and scraper blade.
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| 84 | Bodily attachable bulldozing assembly for tractors | US3592273D | 1968-01-18 | US3592273A | 1971-07-13 | MARTIN WILLIAM E |
| This is a bodily attachable unitary bulldozing apparatus for conventional farm tractors or similar mobile power units and comprises a completely operable mechanism to manipulate a bulldozing blade as required to position such blade upwardly or downwardly as well as at a transverse angle in a vertical plane in relation to the surface being worked.
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| 85 | Cultivating plow | US3537535D | 1969-01-27 | US3537535A | 1970-11-03 | DAVIS JAMES G |
| 86 | Scraper blade attachment for tractors | US3515221D | 1967-05-09 | US3515221A | 1970-06-02 | FOWLER BYRON LEO |
| 87 | Adjustable slide bearings for motor grader moldboard mounting | US3465829D | 1967-06-29 | US3465829A | 1969-09-09 | FISHER WILLIAM F; HUGHES JAMES L; MCCARTHY THOMAS F |
| 88 | Power dragger | US3463240D | 1966-10-17 | US3463240A | 1969-08-26 | MASCARO THOMAS C |
| 89 | Land leveler | US41058864 | 1964-11-12 | US3376937A | 1968-04-09 | GROBERG JOHN R |
| 90 | Land leveler | US11746961 | 1961-06-15 | US3092922A | 1963-06-11 | KNAPP WILLIAM E; TSUCHIYA WILLIAM S; CAYTON DAVID W |
| 91 | Land leveler with trip blades | US10889461 | 1961-05-09 | US3063178A | 1962-11-13 | PURDY GEORGE W |
| 92 | Combination scraper and scarifier | US66173157 | 1957-05-27 | US3034238A | 1962-05-15 | MCGEE LELAND T |
| 93 | Scraper blade attachments for tractors having hydraulicallycontrolled draw bars | US70598557 | 1957-12-30 | US2883776A | 1959-04-28 | ORSCHELN ALBERT J |
| 94 | Combination push rake and leveler | US69651757 | 1957-11-14 | US2879852A | 1959-03-31 | EDWARD ELLERMAN |
| 95 | Land leveler | US41710554 | 1954-03-18 | US2843948A | 1958-07-22 | LINDEMAN JESSE G; HOREY FRANK H |
| 96 | Hydraulically operated land leveler | US42096954 | 1954-04-05 | US2787066A | 1957-04-02 | JOHNSON LLOYD T |
| 97 | Land leveler | US27358152 | 1952-02-27 | US2681519A | 1954-06-22 | POTTER FRANK H |
| 98 | Scraper attachment for disk harrows | US16491350 | 1950-05-29 | US2673434A | 1954-03-30 | BABINCHAK MICHAEL T |
| 99 | Land leveler | US3212648 | 1948-06-10 | US2662314A | 1953-12-15 | LINDEMAN JESSE G; EDWARDS CURTIS V |
| 100 | Automatic leveling mechanism for land levelers | US75563547 | 1947-06-19 | US2599490A | 1952-06-03 | ISADORE SEMINARIO |
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