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| Number | Title | Issue Date |
| 7647983 | Machine with automated linkage positioning system A linkage positioning system for a machine is disclosed. The linkage positioning system has a lock pin, a linkage member having a plurality of holes configured to receive the lock pin, an actuator configured to selectively extend and retract the lock pin, and a cont... | 01/19/2010 |
| 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 |
| 7191061 | Auto-steering apparatus and method A vehicular guidance method involves providing a user interface using which data can be input to establish a contour for a vehicle to follow, the user interface further configured to receive information from a differential global positioning system (DGPS), determini... | 03/13/2007 |
| 6881002 | Spread-style coupler A coupler includes first and second spaced-apart ribs each defining first and second bores. The first bore of the first rib is aligned with the first bore of the second rib on a first pin-on axis, and the second bore of the first rib aligned with the second bore of ... | 04/19/2005 |
| 5495898 | Blade control system for motor graders A highlift adjusting mechanism for the blade of a motor grader uses the traditional twin highlift cylinders connected to the motor grader by means of bell cranks. A rigid link member joins lower ends of the bell cranks and includes a number of locking por... | 03/05/1996 |
| 4852659 | Motor grader with high-lift and lock arrangement A blade lift and support system for a road grader is taught which is of simplified construction and improved geometry. According to one embodiment, the adjustment of the beam and associated grader blade is fully hydraulically controlled including locking ... | 08/01/1989 |
| 4807461 | Motor grader main frame A main frame construction for a motor grader wherein the main frame comprises a rear unit, a center unit, and a front unit. Both rear and center units are box-like structures in cross sections with constant transverse dimensions, with constant metal speci... | 02/28/1989 |
| 4696350 | Motor grader with saddle mounted to transverse pin on main frame A saddle construction for use in a motor grader having a fore-and-aft extending main frame comprising an upper portion having a generally longitudinal extending section forming a forward facing and a rear facing. The facings have a generally vertical orie... | 09/29/1987 |
| 4664221 | Function control linkage for a vehicle The function control levers of an earth moving vehicle such as a motor grader are mounted on a pedestal which may be selectively pivotally tilted for optimum position for the operator, sitting or standing. The pedestal comprises a trapezoidal-type configu... | 05/12/1987 |
| 4664220 | Method of arranging function controls for a vehicle A method of arranging function controls for a vehicle, which method provides a control system that is easily converted from a two-hand control for left and right blade lift functions to a one-hand control for the same functions. The method comprises the s... | 05/12/1987 |
| 4279312 | Dual tractor road grader with double arched center frame A double arch center frame employs a depending center arch to mount by a ball and socket connection the leading end of a draw bar and yoke assembly. Bell cranks pivotably mounted to yoke plates borne by the arched center frame intermediate of the center a... | 07/21/1981 |
| 4246972 | Motor grader and positioning mechanism for drawbar thereof A blade positioning mechanism for a motor grader that permits the blade ends to be raised or lowered independently of each other or together through a pair of hydraulic cylinders universally gimballed in independent locking bell cranks. The mechanism also... | 01/27/1981 |
| 4108251 | Vehicle with adjusting device for earth-moving shield thereof An adjusting device for the main shield of a grader in which two lifting cylinder, a sideways adjusting cylinder and two pivot arms interconnected by an arresting bridge for actuating the main shield are by the arresting bridge linked to a bridge frame of... | 08/22/1978 |
| 4016936 | Motor grader having improved guide shoes for circle-mounted implement A motor grader including a wheeled main frame and a drawbar structure attached thereto is disclosed wherein a circle-mounted working implement, such as a blade or the like, is supported on the drawbar by improved guide shoes. The improved guide shoes incl... | 04/12/1977 |
| 4004641 | Motor grader drawbar assembly with safety clutch mechanism The motor grader drawbar assembly has a blade mounted on a circle gear and a drive gear selectively rotates the circle gear and the blade via a pinion gear engaged with the circle gear and mounted on a rotatable shaft. A slip clutch is interposed between ... | 01/25/1977 |
| 3986563 | Suspension and control linkage for a grade blade support frame A motor grader includes a blade support frame in the form of a drawbar located beneath and having its forward end universally pivotally connected to an arched beam forming a fore-and-aft extending main frame section of the grader. The drawbar is further c... | 10/19/1976 |
| 3976146 | Grader A grader of the type including a longitudinal overlying boom connecting a front wheel assembly to a rear tractor unit with a blade carrier frame assembly positioned intermediate the front wheels assembly and the tractor unit. This grader is characterized ... | 08/24/1976 |
