Single Lift Actuator For Plural Relatively Movable Tools Patents (Class 172/488)
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Patent number: 11716920Abstract: An agricultural tillage system including a carriage frame assembly, a plurality of tillage elements coupled to the carriage frame assembly, an actuator and a residue reactive system. The actuator is moveably coupled to the tillage elements, and is directly in control of a soil contact depth of the tillage elements. The residue reactive system is in controlling communication with the at least one actuator. The residue reactive system reduces the soil contact depth of the tillage elements when the residue mass on the soil is reduced and/or the slope of the soil is above a predetermined value.Type: GrantFiled: September 18, 2019Date of Patent: August 8, 2023Assignee: CNH Industrial America LLCInventor: Robert A. Zemenchik
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Patent number: 9243382Abstract: A ripper device comprises a ripper bracket, a ripper cylinder, a frame component having a frame bracket, a pair of ripper links, a pair of tooth brackets, and a cylinder attachment bracket having a cylinder attachment axis. The frame bracket is connected in a state in which the head of the ripper cylinder is able to rotate, in the middle part near the ripper bracket. The cylinder attachment axis of the ripper cylinder is disposed coaxially with the rotational axis of the pair of ripper links and the pair of tooth brackets.Type: GrantFiled: February 13, 2014Date of Patent: January 26, 2016Assignee: KOMATSU LTD.Inventor: Eiji Yamazaki
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Patent number: 8567517Abstract: In an embodiment, an agricultural implement includes a tool bar and a tool frame rotatably coupled to the tool bar. The agricultural implement also includes multiple row units coupled to the tool frame, and a frame actuator extending between the tool bar and the tool frame. The frame actuator is configured to rotate the tool frame between a lowered position that places each row unit in contact with soil and a transport position that raises each row unit above the soil. The frame actuator is also configured to transfer weight from the tool bar to the tool frame while the tool frame is in the lowered position. Each row unit includes a ground engaging tool configured to selectively engage and disengage the soil while the tool frame is in the lowered position.Type: GrantFiled: May 20, 2010Date of Patent: October 29, 2013Assignee: CNH Canada, Ltd.Inventors: Terrance A. Friggstad, Nicholas George Alfred Ryder, Cory Adrian Yuen
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Publication number: 20130180741Abstract: A pivot limiting device for an agricultural implement is disclosed. The agricultural implement includes a first frame section pivotally coupled to second frame section at a pivot location. The device includes a compression structure having a spring compressed to a preset load. The compression structure is coupled to the first frame section. A plunger includes a first portion positioned adjacent the second frame section and a second portion positioned adjacent the compression structure to move relative thereto between a first position placing no additional compression on the spring when the second frame section pivots in a first direction and contacts the plunger with a first force less than or equal to the preset load, and a second position further compressing the spring when the second frame section pivots in the first direction and contacts the plunger with a second force greater than the preset load.Type: ApplicationFiled: January 30, 2012Publication date: July 18, 2013Inventors: Richard J. CONNELL, Narayanan E. ESAKKIMUTHU
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Patent number: 5590721Abstract: A conservation tillage tool, including a main frame and a rear frame pivotally mounted on the main frame disposed to support a number of soil working implements in sequence. The main frame is supported by ground wheels attached to the rear section of the main frame. The wheels are movable with respect to the main frame to move the latter between a raised transport position and a number of lowered working positions. A tongue and hitch unit connect the main frame to a prime mover, and a leveling mechanism operably interconnects the main frame, ground wheels and tongue for maintaining the main frame level at any of its positions. A spring-cushioned linkage operably interconnects one of the implements at the front of the main frame with one of the implements mounted on the rear frame for simultaneously raising and lowering those two implements between transport and working positions.Type: GrantFiled: January 31, 1996Date of Patent: January 7, 1997Assignee: Unverferth Manufacturing Co., Inc.Inventor: Michael D. Van Mill
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Patent number: 5515929Abstract: A dual disc cultivator cutaway (10) is disclosed including a frame (30) pivotally mounted to a cultivator tool bar (14) through a bar mount (22). A spindle (38) is pivotally mounted to the opposite end of the frame (30) and slideably mounts first and second arms (40) which in turn rotatably mount the disc blades (44). An adjustment slide (46) is removably pivotally mounted to the upper arm (26) of the cultivator gang assembly and is adjustably, slideably fixed on a bar (45) extending from the spindle (38). Thus, movement of the frame (30) is in a fixed positional relationship with the gang assembly in the cutting and transport positions and pivots with the gang assembly relative to the tool bar (14). When the slide (46) is not attached to the upper arm (26), the frame (30) can be held in an inoperative position relative to the tool bar (14) by a latch (54) pivotally mounted to the tool bar ( 14) through the bar mount (22) which hooks on a pin (56) attached to the frame (30).Type: GrantFiled: July 12, 1993Date of Patent: May 14, 1996Assignee: Amity TechnologyInventor: Wayne J. Schwitters
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Patent number: 4865132Abstract: A tillage implement is provided which is of the type that has a plurality of working components that perform a multiple number of different soil treatment operations during a single trip across an agricultural field. One of these working components is a deep tillage component having a high draft requirement. The depth of operation of this deep tillage component is controlled independently of the depth of the other working components which are not significantly disrupted when the depth of operation of the deep tillage component is modified, which modification can be easily and quickly made.Type: GrantFiled: February 22, 1988Date of Patent: September 12, 1989Assignee: Allied Products CorporationInventor: Fred P. Moore Jr.
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Patent number: 4793733Abstract: A scarifier suspended beneath the body of an automotive vehicle such that it is vertically movable by means of cylinders. It comprises a suspending frame provided on a main frame vertically movable by means of the cylinders so that it may be freely slidable in the widthwise direction of the vehicle body, a plurality of supporting bars horizontally disposed within the suspending frame so that they may extend in the longitudinal direction of the suspending frame and so that any two adjacent bars may be connected in series to each other by means of a pin, said supporting bars being each connected to a cylinder vertically provided on the suspending frame so that each bar may be inclined in the longitudinal direction, and a multiplicity of claws provided, at prescribed intervals, on the supporting bars by way of pins in such a manner that they extend downwards from the pins and that they are swingable about the pins.Type: GrantFiled: July 7, 1987Date of Patent: December 27, 1988Assignee: Taisei Road Construction Co., Ltd.Inventors: Tatsuhiko Chiba, Ken-ichi Igarashi
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Patent number: 4487268Abstract: Components suitable to be sold in kits can be readily applied to cultivators of different makes to be able to raise and to lower independently the ground-working tools on either side of the cultivators. A typical kit contains an upper supporting member, two crossbars, and fastening means for readily attaching the components to a typical cultivator of any make. After installation, the upper support extends upwardly and rearward from the front drawbar to provide a point of support above carriers of a cultivator that are to be ganged for lifting. A crossbar is connected to the rear portion of each of the carriers to be ganged, and then a hydraulic cylinder positioned substantially vertically is connected between each crossbar and the upper support.Type: GrantFiled: January 31, 1983Date of Patent: December 11, 1984Inventor: Lester B. Greve
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Patent number: 4450779Abstract: A seed drill comprising a frame, a series of coulters mounted on the frame at positions which are spaced apart in a transverse direction relative to the direction of operative forward motion of the drill, and actuating means comprising a beam that extends in a transverse direction and is rotatable about its own longitudinal axis and about axes perpendicular to said longitudinal axis, thrust applying means connected between the frame and the beam so as to move the beam downwards, and thrust transmitting means connected between the beam and the coulters characterized in that said thrust applying means comprises two or more levers (20) pivotally mounted on the frame (1) so that they have a common pivot axis that extends in a transverse direction and is spaced from said beam, said beam (16) being rotatably supported at the ends of said levers with at least one lever located at an intermediate region in the length of the beam, and actuator means (21) being connected between the frame (1) and each lever (20).Type: GrantFiled: September 20, 1982Date of Patent: May 29, 1984Assignee: Massey-Ferguson Services N.V.Inventor: Alfred J. Bailey
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Patent number: 4308921Abstract: A track obliterating device is disclosed that is particularly useful for obliterating the tracks on the ground made by a chemical applicator wagon. The device includes a mounting frame upon which a plurality of ground engageable track obliterating elements are mounted. The track obliterating elements are preferably coil spring teeth that are mounted on the mounting frame so as to be substantially aligned with the wheels of an applicator wagon so that the tracks made by such wheels are obliterated as the device is pulled in a forwardly direction behind the applicator wagon. The mounting frame is adapted to be attached to an applicator wagon or the like by a hitch that is pivotally mounted to the mounting frame so that the mounting frame can pivot about a vertical axis.Type: GrantFiled: September 27, 1979Date of Patent: January 5, 1982Inventor: Donald A. Davis
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Patent number: 4192388Abstract: A wheel rut closing device for use in combination with an irrigation system having an irrigation line support or supports, each support having rotatably mounted thereon a wheel or wheels. The wheel rut closing device is mounted on each irrigation line support and generally comprises an implement support frame mounted on the irrigation line support and extending generally rearwardly of the wheel, a rearwardly trailing implement holder pivotally connected to the frame, and apparatus carried by the holder for closing a wheel rut created by the wheel. A device is also provided which is connected to the frame and the holder for raising and lowering the holder to the desired height.Type: GrantFiled: March 8, 1978Date of Patent: March 11, 1980Assignee: Ray Goebel & Sons, Inc.Inventor: Larry W. Goebel
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Patent number: 4120365Abstract: Track eliminator apparatus mountable on a tractor to be between the tractor and the grain box of a grain drill for breaking up the soil compacted by the tractor rear wheels. The track eliminator apparatus includes clamp members that are mounted on the tractor axle and pivotally mount draw arms. The draw arms mount left and right sub frames that are transversely adjustable connected by cross bars to provide a generally downwardly opening U-shaped space through which the grain drill tow bar is extended. Ground engaging spring teeth are mounted by the sub frames. A piston cylinder combination is connected between the tractor and one of the cross bars for moving the sub frames between a spring tooth ground engaging position and an elevated travel position.Type: GrantFiled: April 28, 1977Date of Patent: October 17, 1978Inventor: Leo A. Kuhn
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Patent number: 4029155Abstract: A trailing floating mount for agricultural finish tools is connected to the wheeled frame of an implement carriage and includes an elongated, longitudinally oriented finish tool draw bar attached to the carriage by a double-stop bracket which allows the bar freedom to pivot in a vertical plane through an angle sufficient to follow ground contours but limited so that when the implement frame is raised for transport, the draw bar, with the finish tools attached, is also raised but prevented from folding into the implement carriage or tools.Type: GrantFiled: June 23, 1975Date of Patent: June 14, 1977Assignee: Kent Manufacturing Co. Inc.Inventors: Calvin B. Blair, Lee J. Brinker, Thomas W. Ankenman
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Patent number: 4009759Abstract: A cultivator apparatus attached to a draw bar hitched to a tractor and having a tool bar attached to the draw bar and movable therewith. A cultivating mechanism is attached to the tool bar and is movable between positions of engagement and disengagement with the ground when the tool bar is moved. A plurality of cultivating units comprise the cultivating mechanism and are independently movable about the tool bar. A lateral support mechanism is comprised of gauge wheels mounted intermediate the ends of each of the cultivating units. Each gauge wheel is laterally offset with respect to the cultivating unit to which it is attached.Type: GrantFiled: March 26, 1975Date of Patent: March 1, 1977Inventor: Arnold E. Ernst