Patents by Inventor Hubert Defrancq
Hubert Defrancq has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240057495Abstract: A method and a device for hitching a tool to an agricultural vehicle by a system for coupling the agricultural vehicle to a first frame, the coupling system including two hooks which extend substantially in the progression direction of the hitch, each of the hooks being provided with a first end that is proximal and a second end that is distal relative to the first free frame and being intended to be connected to the tool, the second free ends defining, once connected to the tool, a direction, the coupling system further having elements which are positioned between the first proximal ends of the hooks and the first frame in order to pivot, about the vertical axis, the direction, defined by the second free distal ends.Type: ApplicationFiled: December 14, 2021Publication date: February 22, 2024Inventor: Hubert DEFRANCQ
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Publication number: 20220354043Abstract: A hitch device for an implement, suitable for being mounted on an agricultural vehicle, including a chassis transverse to the direction of travel of the hitch, a system for coupling an agricultural implement to the chassis, the coupling system being designed to pivot freely relative to the chassis, about a vertical axis, an attachment device for attaching the chassis to the agricultural vehicle, the attachment device including at least two arms intended to link the chassis to the agricultural vehicle, and each carrying two pivot links that together define a deformable parallelogram.Type: ApplicationFiled: July 2, 2020Publication date: November 10, 2022Inventor: Hubert DEFRANCQ
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Patent number: 11277954Abstract: A hitch device for an implement is capable of being mounted on an agricultural vehicle, including: a first chassis extending in a vertical plane, the normal to which is substantially the direction of travel of the hitch; a second chassis also extending in the vertical plane and mounted with capacity for translational movement on the first chassis in the transverse direction with respect to the direction of travel of the hitch; an actuator causing the translational movement of the second chassis with respect to the first chassis; an attachment device for fixing the first chassis to the rear of the agricultural vehicle; and a system for attaching an agricultural implement, the system allowing the implement to pivot about the vertical.Type: GrantFiled: March 22, 2018Date of Patent: March 22, 2022Inventor: Hubert Defrancq
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Patent number: 10986764Abstract: A device for hitching and lifting an agricultural tool, including a frame fastened to the agricultural machine, a first arm articulated on the frame with a first tool hitch at one end, at least one first jack connected at one end to the frame and at the other to the arm, an extent of the travel of the jack allowing the end of the arm for bearing the hitch to successively pass through a first minimum low position, a second maximum high position, and a third retracted position, where a detection unit that detects a position of the end of the arm can deactivate the supply of the jack when the end reaches the second position, and a bypass controller can bypass the controller of the detection unit to reactivate the supply of the jack.Type: GrantFiled: June 17, 2016Date of Patent: April 27, 2021Inventor: Hubert Defrancq
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Publication number: 20200107485Abstract: A hitch device for an implement is capable of being mounted on an agricultural vehicle, including: a first chassis extending in a vertical plane, the normal to which is substantially the direction of travel of the hitch; a second chassis also extending in the vertical plane and mounted with capacity for translational movement on the first chassis in the transverse direction with respect to the direction of travel of the hitch; an actuator causing the translational movement of the second chassis with respect to the first chassis; an attachment device for fixing the first chassis to the rear of the agricultural vehicle; and a system for attaching an agricultural implement, the system allowing the implement to pivot about the vertical.Type: ApplicationFiled: March 22, 2018Publication date: April 9, 2020Inventor: Hubert DEFRANCQ
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Publication number: 20180184570Abstract: Disclosed is a device for hitching and lifting an agricultural tool, including a frame fastened to the agricultural machine, a first arm articulated on the frame with a first tool hitch at one end, at least one first jack, the cylinder or rod being connected to the frame, the other connected to the arm, the jack enabling moving the arm so the extent of the travel of the jack allows the end of the arm bearing the hitch to successively pass through a first (minimum low) position, a second (maximum high) position, and a third (retracted) position, of the supply of the jack, a unit for detecting the position of the end of the arm to deactivate the supply of the jack when the end reaches the second position, and a bypass controller for bypassing the controller of the detection unit, to reactivate the supply of the jack.Type: ApplicationFiled: June 17, 2016Publication date: July 5, 2018Inventor: Hubert DEFRANCQ
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Patent number: 9913422Abstract: A shifting module for releasable securement on the lower two arms of a conventional three-point hitch of a tractor and for laterally shifting a pull-type implement mounted on the shifting module. The shifting module includes a lateral support having a pin on either end section for grasping and securement by the lower two arms of the three-point hitch. A traveler is mounted on the lateral support and a linear actuator operates to shift the traveler along the lateral support to any desired position along the lateral support. A hitch on the traveler is used for mounting of the pull-type implement so that the implement can be reliably and accurately positioned along a desired path.Type: GrantFiled: June 22, 2016Date of Patent: March 13, 2018Assignee: LAFORGE LLCInventors: Wade Mitchel, Joel Kolker, Hubert Defrancq
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Publication number: 20160366812Abstract: A shifting module for releasable securement on the lower two arms of a conventional three-point hitch of a tractor and for laterally shifting a pull-type implement mounted on the shifting module. The shifting module includes a lateral support having a pin on either end section for grasping and securement by the lower two arms of the three-point hitch. A traveler is mounted on the lateral support and a linear actuator operates to shift the traveler along the lateral support to any desired position along the lateral support. A hitch on the traveler is used for mounting of the pull-type implement so that the implement can be reliably and accurately positioned along a desired path.Type: ApplicationFiled: June 22, 2016Publication date: December 22, 2016Inventors: Wade Mitchel, Joel Kolker, Hubert Defrancq
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Publication number: 20150117994Abstract: A utility carrier that attaches to a hydraulically actuated hitch interface for a tractor, skid steer vehicle, or similar vehicle. The utility carrier has an L-shaped frame including a back panel and a floor. Couplers for releasable mounting of the carrier to a variety of hitch interfaces are mounted on the back panel. Corner posts, releasable to facilitate compact shipping, are used to releasably secure a front panel and two side panels to form, if desired, a closed area. The utility carrier can he lifted and tilted by the hydraulically actuated hitch interface.Type: ApplicationFiled: October 29, 2013Publication date: April 30, 2015Inventor: Hubert Defrancq
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Patent number: 8926256Abstract: A front lifting device for a tractor, for hitching a tool thereto and controlling the same, includes: a chassis to be attached to the bodywork of the tractor; two lower arms hinged to the chassis and including, at the end thereof furthest from the chassis, a hitching element for the tool; at least one working jack in which one of the elements, a cylinder or rod, is connected to the chassis and in which the other element, a rod or cylinder, is connected to one of the coupling arms, the working jack providing the movements of the arm or arms in a working stroke between a bottom position and a raised position; the device includes a length-adjustable linking member between one of the elements, a cylinder or rod, of the working jack and one of the parts made up of the chassis or an arm, the linking member being held in an extended state during normal working mode, and in a retracted state to enable the arm or arms to enter a retracted position.Type: GrantFiled: October 28, 2009Date of Patent: January 6, 2015Inventor: Hubert Defrancq
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Patent number: 8408363Abstract: The PTO assembly includes an engine driven input shaft, an output shaft, a transmission, a disconnect unit for selectively coupling and uncoupling the input shaft from the transmission and a clutch for coupling an uncoupling the transmission from the output shaft. A lubrication system includes a shaft lube circuit for lubricating the input shaft, a pump, and a lube control valve for controlling communication of lubricant from the pump to the lube circuit. The lube control valve is operatively coupled to the disconnect unit so that when the disconnect unit is engaged the lube control valve blocks communication from the pump to the lube circuit, and when the disconnect unit is disengaged the lube control valve communicates the pump to the lube circuit. The lubrication system also includes a transmission lube circuit for lubrication the transmission. The control valve communicates lubricant to the transmission lube circuit when the disconnect unit is engaged and disengaged.Type: GrantFiled: January 19, 2010Date of Patent: April 2, 2013Assignee: Deere & CompanyInventors: Remy Richard, Chad Gregory Vandenberg, Jeffrey Alan Buttjer, Hubert Defrancq
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Publication number: 20110262255Abstract: A front lifting device for a tractor, for hitching a tool thereto and controlling the same, includes: a chassis to be attached to the bodywork of the tractor; two lower arms hinged to the chassis and including, at the end thereof furthest from the chassis, a hitching element for the tool; at least one working jack in which one of the elements, a cylinder or rod, is connected to the chassis and in which the other element, a rod or cylinder, is connected to one of the coupling arms, the working jack providing the movements of the arm or arms in a working stroke between a bottom position and a raised position; the device includes a length-adjustable linking member between one of the elements, a cylinder or rod, of the working jack and one of the parts made up of the chassis or an arm, the linking member being held in an extended state during normal working mode, and in a retracted state to enable the arm or arms to enter a retracted position.Type: ApplicationFiled: October 28, 2009Publication date: October 27, 2011Inventor: Hubert Defrancq
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Publication number: 20110174578Abstract: The PTO assembly includes an engine driven input shaft, an output shaft, a transmission, a disconnect unit for selectively coupling and uncoupling the input shaft from the transmission and a clutch for coupling an uncoupling the transmission from the output shaft. A lubrication system includes a shaft lube circuit for lubricating the input shaft, a pump, and a lube control valve for controlling communication of lubricant from the pump to the lube circuit. The lube control valve is operatively coupled to the disconnect unit so that when the disconnect unit is engaged the lube control valve blocks communication from the pump to the lube circuit, and when the disconnect unit is disengaged the lube control valve communicates the pump to the lube circuit. The lubrication system also includes a transmission lube circuit for lubrication the transmission. The control valve communicates lubricant to the transmission lube circuit when the disconnect unit is engaged and disengaged.Type: ApplicationFiled: January 19, 2010Publication date: July 21, 2011Inventors: Remy Richard, Chad Gregory Vandenberg, Jeffrey Alan Buttjer, Hubert Defrancq
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Patent number: 7971906Abstract: Device for facilitating the control of the weighting of an agricultural tractor and for improving its productivity, includes a support member (A) designed to run transversely to the direction of travel of the tractor, this support member having a central part with a member (B) for coupling to a front or rear three-point lift of the tractor and, on each side of this central part, a lateral extension (Aa, Ab) equipped with a unit of attachment (Ea, Eb) of a weight, a load or a tool.Type: GrantFiled: January 23, 2007Date of Patent: July 5, 2011Inventor: Hubert Defrancq
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Publication number: 20100059976Abstract: Device for facilitating the control of the weighting of an agricultural tractor and for improving its productivity, includes a support member (A) designed to run transversely to the direction of travel of the tractor, this support member having a central part with a member (B) for coupling to a front or rear three-point lift of the tractor and, on each side of this central part, a lateral extension (Aa, Ab) equipped with a unit of attachment (Ea, Eb) of a weight, a load or a tool.Type: ApplicationFiled: January 23, 2007Publication date: March 11, 2010Inventor: Hubert DEFRANCQ
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Patent number: 7513529Abstract: A single-piece tractor weight (M) comprising an upper surface (1), a base (2) , two surface oriented transversely relative to the advancing direction of the tractor and two side surfaces having a transverse eye bolt or pin (7, 8) constituting an engagement element for lifting the tractor; the weight (M) includes at least one housing (L1, L2) emerging on the outside and oriented so as to receive at least one lifting branch (B1, B2) of a load handling device and to enable the weight to be lifted and handled through co-operation between the housing and the lifting branch.Type: GrantFiled: December 15, 2004Date of Patent: April 7, 2009Inventor: Hubert Defrancq
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Publication number: 20070261866Abstract: A single-piece tractor weight (M) comprising an upper surface (1), a base (2), two surface oriented transversely relative to the advancing direction of the tractor and two side surfaces having a transverse eye bolt or pin (7, 8) constituting an engagement element for lifting the tractor; the weight (M) includes at least one housing (L1, L2) emerging on the outside and oriented so as to receive at least one lifting branch (B1, B2) of a load handling device and to enable the weight to be lifted and handled through co-operation between the housing and the lifting branch.Type: ApplicationFiled: December 15, 2004Publication date: November 15, 2007Inventor: Hubert Defrancq
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Publication number: 20070079977Abstract: Device for mounting a blade on the front or rear of a tractor fitted with a three-point lift namely two bottom points adapted to be subjected to the action of lifting element of the tractor, and a top middle point, the blade having three hitching points, namely two bottom hitching points and one top, middle hitching point capable of being connected to the three lift points of the tractor. The device includes, between each bottom hitching point of the blade and the associated bottom point of the lift, a link arm that is articulated at one end on the blade and, at its other end, on the associated bottom point of the lift, and at least one cylinder having one connected by articulation to at least one bottom arm, and the other end connected by articulation to the blade.Type: ApplicationFiled: October 10, 2006Publication date: April 12, 2007Inventor: Hubert Defrancq
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Publication number: 20060108130Abstract: A lifting device includes, in its lower part, two arms articulated on a shaft linked to the tractor for attaching two low lateral points of the implement, and in its upper part at least one element linking a third point between the tractor and the implement, the arms being controlled by the lifting element. The linking element has a variable useful length. A device responsive to the angular position of the arms includes a first transducer associated with one arm to deliver an electric signal depending on the angular position of the arm, and at least a second transducer responsive to the length of the third point linking element to deliver an electric signal depending on the length. An electric circuit, with the transducers connected in parallel between a line terminal and the ground connection, mixes the signals from the transducers and deliver the signal, controlling the lifting element.Type: ApplicationFiled: June 13, 2003Publication date: May 25, 2006Inventor: Hubert Defrancq
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Patent number: 6758031Abstract: A mowing arrangement includes a main, mobile frame to which a base or first carrier part or frame is mounted for being pivoted vertically by a remotely operable hydraulic motor. Mounted to the base carrier frame is a second carrier part to which arms supporting opposite side and front mowing units are attached. The front-mounted mowing unit is mounted to the second carrier part through the agency of a fourth carrier part, in the form of a parallelogram linkage that includes the support arm for the front-mounted mowing unit. The second carrier part is mounted for pivoting about a transverse, horizontal axis so that the cutting angles of each of the mowing heads can be remotely adjusted by pivoting the second carrier part. A third carrier part is fixed for movement with the second carrier part and supports a drive transmission having output shafts respectively coupled for supplying power to the three mowing heads.Type: GrantFiled: April 29, 2002Date of Patent: July 6, 2004Assignee: Deere & CompanyInventors: Roger Franet, Lionel Guiet, Hubert Defrancq, Daniel Kem