An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7540332 | Hydraulic control system having an upper depth stop valve with bypass A hydraulic control system for use with a farm implement is configured to move an implement frame between a first height corresponding to a planting position, a second height corresponding to a field transport position, a third height corresponding to a lock up posi... | 06/02/2009 |
| 7204319 | Jointed rockshaft with angularly adjustable segments A flexible rockshaft includes joint structure facilitating the adjustment of the rotational angle of rockshaft segments relative to each other. A link inserted between a rockshaft segment and the rockshaft flex member rotates on the same or a parallel pivot as adjac... | 04/17/2007 |
| 7100704 | Implement mounting trailer An implement support unit for cooperating with an implement-mounting device for an implement for mounting the implement on a trailer unit. Preferably, the support unit is a three point hitch type support unit. ... | 09/05/2006 |
| 7048069 | Agricultural disc harrow and method An agricultural implement consisting primarily of a towed frame supported on retractable wheels, the frame having a plurality of independently adjustable spindles for setting height and angle of attack for various size rotatable discs. Each disc is staggered to redu... | 05/23/2006 |
| 6588351 | Planting unit lockup device for seeding machine A seeding machine comprises a main frame segment and two wing frame segments. The wing frame segments are provided with a rear rank of planting units that are mounted to the wing frame segments by pivot arms that extend downwardly and rearwardly from the ... | 07/08/2003 |
| 6581530 | Folding walkway for seeding machine A seeding machine having a wing frame with planting units. The planting units are coupled to the wing frame by a pivot arm. The pivot arms move the planting units between a horizontal working configuration and a vertical transport configuration. An operat... | 06/24/2003 |
| 6374923 | Folding frame implement A folding tool bar implement converts from a transversely extending operating configuration to a longitudinally extending transport configuration. The implement includes a rotating rockshaft supported by a wheel assembly at each opposing end thereof. The ... | 04/23/2002 |
| 6374921 | Bi-fold implement frame A frame for a tillage implement includes a pair of opposing frame sections pivotally connected to a central kingpost for a folding movement between a transversely extending working position and a longitudinally extending transport position. The frame sect... | 04/23/2002 |
| 6371216 | Tillage implement with spring pressure weight transfer mechanism A forwardly folding tillage implement carries a number of ground engaging tools on a tool gang frame disposed to the rear of a carrier frame. A rockshaft is disposed between the carrier frame and the tool gang frame and is movable between four rotated pos... | 04/16/2002 |
| 6371215 | Locking rockshaft for tillage implements A frame for a tillage implement includes a pair of opposing frame sections pivotally connected to a central kingpost for a folding movement between a transversely extending working position and a longitudinally extending transport position. The frame sect... | 04/16/2002 |
| 6209657 | Forward folding tillage implement A forwardly folding tillage implement carries a number of ground engaging tools on a tool gang frame disposed to the rear of a carrier frame. A rockshaft is disposed between the carrier frame and the tool gang frame and is movable between four rotated pos... | 04/03/2001 |
| 5829536 | Manually pivotable plow using a ratchet wheel and lever connected to a tiebar assembly to vertically adjust a soil cultivating tool A plow having a wheeled frame for towing by a land vehicle. The plow includes a tool carrier pivotally secured to the frame for carrying soil cultivating tools. A ratchet wheel and a lever are pivotally secured to the frame in a side-by-side relationship.... | 11/03/1998 |
| 5357883 | Method and apparatus for spreading a liquid slurry A trailer vehicle for distributing a fertilizing manure slurry to a field which includes a slurry distribution assembly mounted to the rear of the vehicle having four slurry distribution units, each with three plow teeth and a slurry distribution nozzle a... | 10/25/1994 |
| 5042589 | Multi-tine cultivator frame suspension and adjustment mechanism The invention disclosed relates to a mechanism for adjusting the level, tine working depth, and tine working angle of a framework supporting a multiplicity of cultivator tines. The framework is cantilevered from and behind a boom drawn on wheels, and incl... | 08/27/1991 |
| 4440235 | Rock windrower A windrower drum is journalled for rotation on the lower ends of and between a pair of arms each of which forms part of a transverse support member supported by the chassis. An arm extends upwardly from the transverse support and forms a crank arm with th... | 04/03/1984 |
| 4407371 | Coulter attachment for seed planting apparatus Apparatus is disclosed which facilitates the ready attachment and detachment of coulters to a standard seed planting device. The seed planting device is typically of a type that is towed behind a tractor and automatically furrows the ground, deposits the ... | 10/04/1983 |
| 4371039 | Tool bar control for agricultural implement A tool bar control mechanism for an agricultural implement or the like having a frame, a pair of generally transverse tool bars mounted on the frame for rotation about their longitudinal axes and carrying ground working tools such as spring teeth for move... | 02/01/1983 |
| 4186805 | Ground working implement A plurality of ground working sections such as cultivator sections, are flexibly connected together and operatively connected to a hitch pole assembly. Each section is supported upon a pair of castor wheels mounted on a fore and aft beam pivotally connect... | 02/05/1980 |
| 4067396 | Roll-over mechanism for two-way plow Mechanism operating through a mechanical advantage for rolling over a two-way gang plow comprises a pair of hydraulic cylinders acting through respective short links connected pivotally at one of their ends to their associated cylinders and at their oppos... | 01/10/1978 |
| 4050523 | Folding wing disc harrow The invention provides a folding wing disc harrow wherein a hydraulic operating mechanism is provided for folding and unfolding the wings through an arc of more than 180° through the positive bidirectional linear movement of the plunger of a double actin... | 09/27/1977 |