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MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)

Subclass of:

172 - Earth working

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
172439000MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)22
20080264656Hydraulic Upper Link With Float Position - The present invention relates to an upper link (10-30-2008
20090194302LOWER LINK ASSEMBLY FOR A TRACTOR HITCH - The invention relates to a lower link assembly for a tractor hitch. The lower link assembly includes a first strut and a second strut. The first strut includes a channel at an end thereof and a hollow space defining first and second walls and adjacent to the channel. The second strut may be inserted into the channel. A locking element is associated with the hollow space for latching the second strut to the first strut, and may be moved between an unlocked position and a latching position. A spring pretensions the locking element in the latching position. A grip element is connected to the locking element, by means of which an operator may move the locking element into the unlocked position. The spring is biased to retain the locking element in the hollow space.08-06-2009
20090200051Three-Point Implement Mounting For An Agricultural Or Industrial Utility Vehicle - The present invention relates to a three-point implement mounting (08-13-2009
20100294524AGRICULTURAL IMPLEMENTS - A coupling (11-25-2010
20110100657STEERABLE AGRICULTURAL IMPLEMENT WITH EQUALIZED STEERING EFFORT - An agricultural implement is provided that includes a hitch assembly configured to couple the agricultural implement to a tow vehicle, and a carrier frame pivotally coupled to the hitch assembly. The agricultural implement also includes a pair of wheel assemblies each rotatably coupled to the carrier frame by a respective pivot joint. The agricultural implement further includes an actuator assembly configured to rotate each wheel assembly about the respective pivot joint in a first direction by applying a first torque, and to rotate each wheel assembly about the respective pivot joint in a second direction, opposite the first direction, by applying a second torque. A magnitude of the first torque and a magnitude of the second torque are substantially equal.05-05-2011
20110147020T-point lift, three-point hitch/lift system for 2" receivers - The T-Point Lift is an electrically actuated, hydraulic, removable three-point hitch/lift assembly, which is installed on vehicles and equipment having a 2″ receiver mount, for quick installation and removal by one person. An inverted T shaped mounting frame with mounting points for an upper lift arm and two lower lift arms is inserted into a vehicles receiver. A hydraulic cylinder is mounted to the lift frame and upper lift arm which carries any attached load with assistance from attached lift links transferring the load to lower lift arms and providing sway control. An electrical power source is the only requirement for the attached hydraulic power pack with controls, thus not requiring any modification to the vehicle or equipment, to employ the apparatus in the manor for which it was designed, which tractor implements can be installed and used in accordance with their intended use up to and including category 1 three point implements.06-23-2011
20120085559UTILITY VEHICLE ATTACHMENT APPARATUS AND METHOD OF USE - Disclosed are a connecting apparatus, and method of using the apparatus, that provides for safely and easily attaching an implement to a utility vehicle that has a 3-point hitch. The attachment apparatus and corresponding method include a lift support attached to the lower lift arms of the 3-point hitch. This combination of the lift support and lower lift arms provides for the hydraulic positioning of the implement, so that the implement (and/or brackets attached to the implement) may be attached to the utility vehicle (and/or brackets attached to the utility vehicle), thus providing for a more secure and rigid attachment.04-12-2012
20130037283Length Adjustable Lifting Strut - A length adjustable lifting strut (02-14-2013
20150296697A COUPLING DEVICE FOR TOWED AGRICULTURAL MACHINERY - A device for coupling towed agricultural machines comprising means for fastening to a frame of the machine, a connecting arm extending substantially longitudinally away from the frame of the agricultural machine, and a coupling head comprising coupling means. The coupling head allows said connecting arm to rotate relative to the towing means about a first axis of rotation which is substantially perpendicular to an operating surface of the agricultural machine. The connecting arm is rotatably connected to the fastening means about a second axis of rotation, and further comprises reversible means for locking the rotation of the connecting arm.10-22-2015
20170231147THREE CONNECTION POINT FARM IMPLEMENT DOLLY FOR USE WITH AN ARTICULATING TRACTOR08-17-2017
172444000 Hitch quadrilateral modified during lift 1
20090084566HITCH DEVICE FOR A WORKING VEHICLE - A hitch device for a working vehicle for coupling a working device to the working vehicle has a lifting shaft unit supported in the frame structure of the working vehicle, and a coupling structure that is operatively connected therewith. The lifting shaft unit includes a lifting shaft, at least one lifting arm that is fixedly connected with the lifting shaft, and at least one reciprocating cylinder, which is hingedly connected with the lifting arm. The coupling structure includes first, upper coupling elements, which are located on the frame structure, second, lower coupling elements, which are hingedly connected to the frame structure, and connecting elements that are hingedly located on lifting arms of the lifting shaft. At least one of the connecting elements is rigid. In this manner, it is ensured that the load on the coupling elements that form the hitch device is balanced, even when a load is introduced asymmetrically.04-02-2009
172445100 Including blade, scraper, or smoother 1
20130062082SYSTEMS AND APPARATUSES FOR RESHAPING GROUND SURFACES - Embodiments provide a grading and/or scarifier apparatus configured to be coupled to a motor vehicle, such as a tractor. The apparatus may include a rear mounted frame supporting a blade assembly and/or a scarifier. The scarifier may include a first frame, a second frame slideably disposed through the first frame, and scarifier shanks retained by the second frame. The blade assembly may be pivotable around a substantially vertical axis extending from the blade assembly and/or around a substantially horizontal axis extending through the center of the motor vehicle. The blade assembly may include adjustable end plates at each end, which are maintained at a constant angle to the horizontal axis as the blade is pivoted around the vertical axis. The apparatus may further include trailing wheels that are pivotally attached to the frame and selectively laterally displaceable with respect to the horizontal axis.03-14-2013
172446000 Laterally adjustable tool 1
20130056234Semi-Mounted Reversible Plow with Rotary Amplifier - The invention relates to a semi-mounted reversible plow 03-07-2013
172448000 With auxiliary vertical adjustment 3
20080236850Lift and float assist system for tractor three-point-hitches - Vertically mounted compression springs inside heavy walled containment tubes with adjustable tensioning rods mounted above the three-point-hitch of a tractor and connected to the three-point-hitch implement lift arms by chains, which provide supplemental lifting, floating, height control and impact absorption for heavy, tractor-mounted implements.10-02-2008
20110247844AGRICULTURAL DEVICE - The invention relates to an agricultural device which is couplable to a tractor vehicle with carrier arms. The agricultural device comprises a carrier frame with a set of wheels and a coupling device for coupling the agricultural implement to a tractor vehicle. The agricultural device further comprises a coupling frame having at least one coupling point for coupling of the coupling frame to both carrier arms of the tractor vehicle. The coupling frame is connected to the carrier frame so as to be rigid in rotation in the vertical plane, wherein at least one coupling point of the coupling frame is positioned on or above the centre line of the carrier frame. Owing to the fact that the carrier arms extend horizontally or upwards, the carrier arms will not or will hardly get out of position as a result of the travelling of the vehicle.10-13-2011
20160174452LINK ASSEMBLY06-23-2016
172450000 Sway limiting means or swayable tool 6
20080230241Sway Block of a Three-Point Implement Hitch - A sway block for a three-point hitch of an agricultural implement has a frame for supporting a tow hook; and the frame in turn has two substantially parallel right-angle plates. A respective pair of levers is hinged to each right-angle plate by pins; and each pair of levers is associated with a respective lock member operated from above by an operator using an actuating mechanism. The sway block performs the dual function of preventing sway and supporting a tow member.09-25-2008
20110192620Tractor Lift Arm Stabilizer - An apparatus for stabilizing at least two lift arms on a tractor of the present disclosure has a center plate disposed below the power take-off of the tractor. A plurality of angled legs connect to and extend downwardly from the lift arms and adjustably connect to the center plate. A space is formed by the angled legs to allow for connection of an implement to the PTO of the tractor.08-11-2011
20130112444Tractor Lift Arm Stabilizer - An apparatus for stabilizing at least two lift arms on a tractor has a center portion disposed below the power take-off of the tractor. A plurality of angled legs connect to and extend downwardly from the lift arms. A space is formed by the angled legs to allow for connection of an implement to the PTO of the tractor.05-09-2013
20130192856STABILIZER FOR A LINK OF AN AGRICULTURAL TRACTOR - A stabilizer (08-01-2013
20150047864Stabilizer for a lower link of a three-point hitch of a tractor - Stabilizer for a lower draft link of a three-point hitch of a tractor, the stabilizer comprising a first stabilizer member and a second stabilizer member which is movably connected to the first stabilizer member by a spring-loaded centering mechanism, wherein the second stabilizer member can be rotated with regard to the first stabilizer member to modify the overall length of the stabilizer. A locking bracket is pivotally connected to the first stabilizer member for blocking a rotation between the stabilizer members by engaging the locking bracket with a blocking groove formed in a circumference of the second stabilizer member. Furthermore, a locking cover is provided for disabling a movement between the stabilizer members in a closed position. A section of the locking cover is faced to the locking bracket, wherein the section is formed such in that the locking bracket can be removed from the blocking groove for releasing a rotation of the second stabilizer member even in the closed position of the locking cover.02-19-2015
20150122517IMPLEMENT HITCH FOR A TRACTOR - An implement hitch is disclosed for a tractor, wherein the hitch is fitted with a mechanism for stabilising lateral movement of lifting arms of the hitch. The lifting arms are raised and lower by respective hydraulic cylinders. The stabilising mechanism has a locking pin that is automatically retracted to an unlocked position by means of a flexible linkage when the lifting arms are in a lowered position. In the invention, the opposite end of the flexible linkage from the locking pin is connected to an anchoring point provided on the hydraulic cylinder serving to raise and lower one of the lifting arms.05-07-2015

Patent applications in class MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)

Patent applications in all subclasses MAST TYPE HITCH (E.G., THREE POINT HITCH, ETC.)

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