Tractor with full-floating tool bar

Details Tractor with full-floating tool bar Tractor with full-floating tool bar

1979-02-23

1981-05-12

Shapiro, Paul E.

Earth working

With drive means for tool or cleaner

Implement with ground support for depth control

37 41, 56 119, 56 151, 56 156, 56 158, 172 74, 172114, 172117, 172292, 172452, 172458, 172459, 172478, 172834, 180 2R, 180 648, 180 54D, 180299, 180306, A01B 59048, A01B 63108, B60K 900

Patent

active

042666171

ABSTRACT:
A tractor having a frame supported by ground-engaging drive wheels, a tool bar carried by the tractor and on which various implements may be mounted, the tool bar being universally mounted on the frame whereby the implement may be raised above or lowered to the ground, and can follow the contour of the ground, a power unit also mounted on the tool bar so as to have a direct driving connection to the implement not affected by the universal "floating" movement of the implement and tool bar, and a driving connection between the power unit and the drive wheels, of a type not affected by the relative movability of the tool bar and tractor frame, in order that both the implement and the tractor may be driven by a single power unit. Mechanism is also provided for pivoting the tool bar to elevate the implement above the ground when desired, for supporting the tool bar while implements are changed, and for holding the implement firmly against the ground when required.

REFERENCES:
patent: 910162 (1909-01-01), Barbee
patent: 1669787 (1928-05-01), Shaw
patent: 2512733 (1950-06-01), Andersen et al.
patent: 2691262 (1954-10-01), Swertfeger
patent: 3056458 (1962-10-01), Gray
patent: 3118266 (1964-01-01), Colburn
patent: 3329225 (1967-07-01), Dunn
patent: 3509721 (1970-05-01), Crawford
patent: 4124079 (1978-11-01), Crow
patent: 4180282 (1979-12-01), Henning

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