Class 172/795 - Specific actuator between frame and scraper

Subclass of Class 172 - Earth working
Definition: Apparatus comprising an actuator for adjusting the position
No. of patents: 30
Last issue date: 09/14/2010

Number	Title	Issue Date
7793740	Ride control for motor graders A ride control arrangement for a machine having a frame, a ripper, a hydraulic actuator operative to move the ripper includes at least one accumulator assembly, and a valve mechanism operatively disposed between the accumulator assembly and the hydraulic actuator to...	09/14/2010
7650949	Removable wear strip for moldboard sideshift rail A moldboard of a work vehicle comprises a blade and a sideshift rail comprising a bar attached to the blade and a wear strip removably mounted to the bar. ...	01/26/2010
6955229	Implement pitch-yaw system An implement pitch-yaw system for effectively and efficiently controlling the pitch of an implement. The implement pitch-yaw system includes a first yaw actuator and a second yaw actuator attached between an implement structure pivotally attached to a support struct...	10/18/2005
6904978	Slide rail adjustment for grader blade A bearing support arrangement for a grader blade uses short stroke hydraulic cylinders to compensate for wear between slide bearings and slide rails of the grader blade. The cylinders are preferably pressurized by grease and a grease fitting is provided for each cyl...	06/14/2005
6851486	Grading attachment for a loader A grading attachment for a skid steer loader is provided with steerable wheels that are steered by an actuator. The blade of the grading attachment may be rotatable through 360 degrees by a motor and gear assembly. Actuators may be provided to raise, lower and tilt ...	02/08/2005
6840334	Grader attachment for a skid steer A grader attachment for a skid steer utilizes the skid steer's auxiliary hydraulics to power an independent hydrostatic steering system for the grader and to control skid steer propulsion and grader blade position. The attachment mounts to the skid steer via a stand...	01/11/2005
6799640	Slide rail adjustment for grader blade A bearing support arrangement for a grader blade uses short stroke hydraulic cylinders to compensate for wear between slide bearings and slide rails of the grader blade. The cylinders are preferrably pressurized by grease and a grease fitting is provided for each cy...	10/05/2004
6758286	Motorgrader circle drive A circle drawbar assembly uses a series of hydraulic cylinders disposed within the circle member and attached to the drawbar frame to rotate the circle member. These cylinders can also be used to lock the circle member in a desired position. The cylinders preferably...	07/06/2004
6719066	Construction vehicle with a working appliance A construction vehicle has a working appliance such as a blade, which is mounted on a vehicle frame such that it can pivot in the vertical direction about a first axis and it can pivot about a second axis substantially perpendicular thereto, for which purpose at lea...	04/13/2004
6334269	Winch actuator for ATV An actuator for raising and lowering a blade mounted to a vehicle. A winch assembly is mounted to the blade and is powered by the vehicle battery. The motor has a low amperage draw and has a gear reduction unit to provide mechanical advantage. The cable e...	01/01/2002
6324775	Folding blade A mid-chassis, underbody plow or scrapper blade is mounted under a vehicle chassis to be folded upwardly for storage when not in use. The blade is also mounted to permit the outer ends of the blade to move vertically. Pneumatic pressure actuators mounted ...	12/04/2001
6123156	Mid-chassis plow or scrapper angling support A mid-chassis, underbody plow or scrapper blade is mounted under a vehicle chassis to permit the outer ends of the blade to move vertically. Pneumatic pressure actuators mounted on either side of the center line of the vehicle apply pressure to the respec...	09/26/2000
5720353	Apparatus and method for coupling a blade assembly to a vehicle An apparatus for coupling a blade assembly to a vehicle includes a circle assembly having a circle member. The apparatus further includes a plate having a passageway extending therethrough, the circle member being movable relative to the plate. The appara...	02/24/1998
5488788	Groundworking attachments for an outrigger stabilizer pad Flexibility of operation is added to a vehicle (10) having a vehicle frame (12) with an operator area (18) and front and rear wheels (14), (16), a power tool (32), a pair of outrigger arms (48) pivoted to the frame (12) and hydraulic cylinders (62) extend...	02/06/1996
5435082	Snow plow stabilizer device An apparatus, for stabilizing a plowing implement mounted on a motor vehicle, comprising a rigid stabilizer member having first and second opposed ends. One end of the stabilizer member supports an attachment device for attaching the stabilizer member to ...	07/25/1995
5044446	Constant pressure regulation of grader blades By providing the work blade of a grader with a hydraulic regulation system where pressure limiting valves (14, 15, 16, 17) guide pressure reducing valves (10, 11, 12, 13) a constant pressure regulation of the work blade is achieved so that the work pressu...	09/03/1991
4852660	Grader blade having a pressurized float position A grader has a grader blade which can be pressed against the ground or lifted off it by means of piston-cylinder drives. To be able to vary the downard pressure of the grader blade in its float position, either the piston chamber or the piston ring chambe...	08/01/1989
4700786	Drag-type road grader A drag-type road grader including a skewable frame and a plurality of blade assemblies extending transversely across the frame. A tongue assembly is mounted on the frame and includes hydraulic cylinders for skewing the frame to alternative parallelogram-s...	10/20/1987
4683959	Blade guide system for grading vehicle with displaceable grading blade The grading vehicle has a grading blade which is guided displaceably on the frame of the vehicle transverse to the longitudinal direction of the vehicle. In order to obtain automatic readjustment of the guidance of the blade upon the occurrence of wear an...	08/04/1987
4132290	Locking mechanism for movable vehicle members A locking mechanism is provided for an apparatus having a first member movable relative to a second member providing a plurality of spaced holes therein including: a housing secured to the first member; a lock pin extendably retractably mounted in the hou...	01/02/1979
4084643	Motor grader with blade support structure A motor grader has improved support structure for mounting the grader blade on the circle blade support arms and for controlling blade tilt. A bearing housing structure consists of a transverse structural member with integral upright bearing housings at i...	04/18/1978
4074767	Motor grader support structure and side shift mechanism An improved support for mounting the grader blade assembly of a motor grader on depending support arms of the motor grader circle. A bearing housing structure which is several times wider than the height of the blade assembly consists of a transverse holl...	02/21/1978
4060136	Motor grader blade mounting and tilt mechanism A motor grader has a circle with integral, depending arms at the rear, and the lower ends of the arms extend forwardly so that blade mountings, comprising bearing housings pivoted at their lower ends to the extremities of the arms, extend upwardly in very...	11/29/1977
4058174	Motor grader with blade support and bearing assembly An improved support and bearing for mounting the grader blade assembly of a motor grader on the depending support arms of the motor grader circle. Upright bearing housings are mounted on the arms and positioned forward thereof. Each housing has a forwardl...	11/15/1977
4037670	Motor grader with blade clamping mechanism An improved blade clamping mechanism for a motor grader blade which has blade support rails carried in pivoted blade support means for lateral sliding movement, and in which confining surfaces in the blade support means restrict both vertical and fore-and...	07/26/1977
4034815	Blade lift float circuit for motor graders A construction vehicle, such as a motor grader, comprises a work tool mounted thereon and adapted to be selectively moved by at least one double-acting hydraulic cylinder. A fluid circuit comprises a pressurized fluid source adapted to communicate fluid t...	07/12/1977
4031967	Motor grader with spherical bearing mounting for blade tilt cylinders A motor grader has a circle which includes integral depending arms at the rear, blade carrying structure is supported forward of the arms on transverse pivots which are at the lower extremities of the arms, and hydraulic cylinder and piston units are supp...	06/28/1977
4024796	Float control electrical circuit for a blade In a vehicle, such as a motor grader, having a work tool operated by at least one hydraulic cylinder, the position of the work tool being controlled by a main control valve, and the work tool being placed in a float condition by actuation of a second cont...	05/24/1977
3983945	Clamping mechanism for motor grader moldboards A bracket is carried by the motor grader and has upper and lower slots formed therein to slidably receive an upper and a lower slide surface respectively of a slide rail arrangement which is secured to the back of the moldboard. A hydraulic jack is attach...	10/05/1976
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

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Class 172/795 - Specific actuator between frame and scraper