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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7353885 | Apparatus for coupling an implement to a working vehicle The present invention relates to an apparatus for coupling an implement to a working vehicle, having two lower link bars, a length-adjustable upper link bar, and two lifting elements. The end closest to the working vehicle, of each of the lower link bars and the upp... | 04/08/2008 |
| 7192034 | Load based suspension motion limiting An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there is a front or first A-frame and a rear or second A-frame. The A-frames... | 03/20/2007 |
| 7163068 | Hitch assembly A hitch assembly for use between a prime mover having a pair of moveable arms and a trailed vehicle. The hitch assembly includes a transverse member attached by a pivot attachment to each movable arm at spaced locations on the transverse member. Each of the movable ... | 01/16/2007 |
| 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 |
| 7021398 | Box scraper assembly A box scraper attachment is provided for mounting on the boom arms of a skid-steer vehicle or the like. The box scraper attachment includes a main frame having castor wheel assemblies mounted at the forward end thereof. A box scraper is selectively vertically movabl... | 04/04/2006 |
| 6352124 | Automatic device for all-purpose coupling of agricultural implements and the like An all-purpose hitch assembly for connecting any one of a variety of implements to a working vehicle. The hitch assembly includes spaced apart arms which are moveable upwardly, downwardly and laterally. There is however, no middle or third link. Instead e... | 03/05/2002 |
| 6089328 | Hitch assembly for a work machine A hitch for a work machine such as an agricultural tractor permits controlled towing of an implement behind the work machine. The hitch is attached to the machine frame. The hitch includes first and second draft arms that are pivotally connected with and ... | 07/18/2000 |
| 5697454 | Three-point hitch assembly A hitch assembly is disclosed for use with endless track land vehicles that allows an implement mounted by a three-point hitch arrangement up to about 15 degrees arcing movement off the longitudinal axis oriented in the direction of travel of the land veh... | 12/16/1997 |
| 5429196 | Three point easy hitch A hitch for connecting and disconnecting implements to a tractor. A hitch with a tapered opening that can rotate in any direction is connected to a tractor's lift arms and stabilizer bars. When the hitch has made contact with the implement being used a re... | 07/04/1995 |
| 5112161 | Method for excavating and constructing monolithic continuous straight or circular structural walls and a machine for realizing such a method An equipment for excavating and constructing straight or circular continuous monolithic structural walls, comprises a motor driven vehicle provided with a support structure for substaining a beam which is orientable about a vertical and horizontal axis, a... | 05/12/1992 |
| 4944649 | Mechanism for coupling subordinate machine to tractor This is a swing-tower arrangement for coupling a back-hoe assembly to a tractor or the like. It features a rocker swingable in elevation on the swing tower. An actuator on the swing tower controls the position of the rocker, improving transport and contro... | 07/31/1990 |
| 4641491 | Agricultural machine A haymaking machine comprises a sub-assembly provided with two rake members, the sub-assembly being connected to a frame for pivotal movement about a pivotal axis that slopes upwardly to the rear. The center of gravity of the sub-assembly is ahead of such... | 02/10/1987 |
| 4518046 | Multiple implement hitch and transport A two-wheeled trailer hitch supporting two three-point hitch mounted implements side-by-side for field operation. The implements are mounted on outriggers which are foldable forwardly to narrow the unit for transport. A pair of rigid diagonal drag links m... | 05/21/1985 |
| 4382473 | Soil cultivating machine A soil cultivating machine such as a plow comprises a share followed by a soil guide which is in the form of a moldboard made up of power driven rotary guide elements. The elements are elongated and are all driven from a common shaft which can include a c... | 05/10/1983 |
| 4224995 | Device for removing palmetto bushes A device for removing palmetto bushes which is adapted to be attached to a 3 point hitch and which is composed of a reinforced laterally extending or horizontally disposed frame having an attachment surface and a plurality of downwardly and forwardly exte... | 09/30/1980 |
| 4173352 | Combination articulated tractor and tow car The invention relates to an articulated tractor with two engines in tandem, particularly an agricultural tractor having a three-point lifting device. A unit having a selectively positioned drawbar adapted to turn about an upright shaft carried between par... | 11/06/1979 |
