Working Member Part Engages Wheel Steering Arm Patents (Class 180/436)
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Patent number: 12091087Abstract: Embodiments of this application relate to the field of vehicle technologies, and specifically, to a vehicle frame and a vehicle. The vehicle frame includes longitudinal rails and a steering gear; the steering gear includes a shell and a steering rod slidably disposed in the shell; two ends of the shell are fixedly connected to the longitudinal rails respectively; and two ends of the steering rod respectively protrude out of the longitudinal rails, so as to be movably connected to wheels, and the steering rod drives the wheels to steer when the steering rod slides. In this way, the vehicle frame provided in the embodiments of this application is able to guarantee the torsional mode and stiffness of the whole vehicle while achieving light-weighting of the body.Type: GrantFiled: July 12, 2023Date of Patent: September 17, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventor: Xiaowei Sun
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Patent number: 11685189Abstract: An axle assembly is provided for a working machine. The axle assembly includes an axle having first and second ends, the first end having a first wheel mount for pivotably mounting a first wheel to the axle and the second end having a second wheel mount for pivotably mounting a second wheel to the axle. The assembly has a steering arrangement for pivoting the first and second wheel mounts relative to the axle, the steering arrangement having a linkage connected to the first and second wheel mounts and configured to pivot the first and second wheel mounts relative to the axle. The steering arrangement also includes an actuator configured to actuate the steering linkage in order to effect pivoting of the first and second wheel mounts, and the actuator is directly connected to the steering linkage.Type: GrantFiled: January 20, 2021Date of Patent: June 27, 2023Assignee: J.C. BAMFORD EXCAVATORS LIMITEDInventor: Christopher Jack Streat
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Patent number: 11479949Abstract: A work vehicle includes an axle frame extending in a left-right direction, a cylinder coupled to the axle frame, and a first supply conduit connected to the cylinder and configured to supply hydraulic fluid to the cylinder. The first supply conduit is fixed to the axle frame.Type: GrantFiled: March 26, 2019Date of Patent: October 25, 2022Assignee: KOMATSU LTD.Inventors: Yasutaka Numa, Ikki Hirose
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Patent number: 10328971Abstract: A centering stabilizer including a first section that produces a pulling force along a longitudinal axis; a second section that produces a pushing force along a longitudinal axis; and connecting means that connects the first and second sections such that the longitudinal axis of the first section is aligned with the longitudinal axis of the second section. The stabilizer also includes first mounting means attached to the first section, wherein the first mounting means securely attaches the centering stabilizer to a first portion of a steering system of a vehicle, and second mounting means attached to the second section, wherein the second mounting means securely attaches the centering stabilizer to a second portion of the vehicle, wherein when the set of steerable wheels are displaced from a straight ahead driving position, a distance between the first portion of the vehicle steering system and the second portion of the vehicle changes.Type: GrantFiled: July 25, 2017Date of Patent: June 25, 2019Inventor: John D Shepherd
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Patent number: 9382676Abstract: A road milling machine includes a machine frame, front wheels or tracks, rear wheels or tracks, and a milling drum supported from the machine frame between the rear wheels or tracks. The front wheels or tracks are mounted on pivoting columns. Steering levers are attached to the pivoting columns. A steering tie rod includes a connecting part and a projecting arm. The connecting part is connected to the steering levers. A steering cylinder is connected to a free end of the projecting arm.Type: GrantFiled: May 2, 2014Date of Patent: July 5, 2016Assignee: Wirtgen GmbHInventors: Christian Berning, Oliver Thiel, Roland Lull, Cyrus Barimani, Günter Hähn
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Patent number: 8910741Abstract: The present invention relates, in general, to a steering device for tractor and, more particularly, to a steering device for a tractor for enabling front wheels of the tractor to be turned to an angle over or approximate to a right angle with respect to the longitudinal direction of the tractor by means of a driver manipulating a steering handle, thus making it possible to increase the steering angle of the front wheels and making the turning of the front wheels smoother, whereby the tractor can turn around in place and easily perform different kinds of tasks, for example, a task required in a limited space, a task where there is a need for turning the tractor around in place, etc.Type: GrantFiled: March 19, 2012Date of Patent: December 16, 2014Assignee: Daeho Co., Ltd.Inventor: Joong-Ho Kim
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Patent number: 8789646Abstract: The present invention relates to a steering apparatus for turning front wheels of a tractor. More particularly, the present invention provides a steering apparatus for tractors which includes a steering cylinder provided with left and right cylinder rods which are extended and retracted to the left and the right by steering force transmitted by hydraulic pressure when the driver manipulates the steering wheel, wherein swing links are respectively hinged to ends of the left and right cylinder rods, thus forming a first four-bar link structure, and second four-bar link structures are respectively formed on left and right ends of the first four-bar link structure so that the front wheels can be turned, whereby an angle range within which the front wheels can be turned can be increased.Type: GrantFiled: May 24, 2011Date of Patent: July 29, 2014Assignee: Daeho Co., Ltd.Inventor: Joong-Ho Kim
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Publication number: 20130192920Abstract: The present invention relates to a steering apparatus for turning front wheels of a tractor. More particularly, the present invention provides a steering apparatus for tractors which includes a steering cylinder provided with left and right cylinder rods which are extended and retracted to the left and the right by steering force transmitted by hydraulic pressure when the driver manipulates the steering wheel, wherein swing links are respectively hinged to ends of the left and right cylinder rods, thus forming a first four-bar link structure, and second four-bar link structures are respectively formed on left and right ends of the first four-bar link structure so that the front wheels can be turned, whereby an angle range within which the front wheels can be turned can be increased.Type: ApplicationFiled: May 24, 2011Publication date: August 1, 2013Inventor: Joong-Ho Kim
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Patent number: 8353377Abstract: A windrower having an adjustable axle to vary a width of steerable caster-mounted rear wheels operably connected by right and left steering cylinders mounted to right and left reaction arms pivoted to respective rods coupled to steering arms fixed to respective spindles mounted within a cylindrical receptacle at outer ends of the adjustable axle. One embodiment each reaction arm has a bracket coupled to a fixed portion of the rear axle when telescopic end sections of the axle are in a narrow width position, and selectively mounted to outer ends of the telescopic end sections of the axle when in a wide width position. A second embodiment has the reaction arms mounted to spindle receptacles at outer ends of the axle sections to provide the reaction arms with an infinite number of angular positions about the spindle receptacles for different tread widths of the steered rear wheels.Type: GrantFiled: October 6, 2009Date of Patent: January 15, 2013Assignee: Deere & CompanyInventors: David W. Geiger, Stephen K. Parsons, Shirishkumar Jalindernath Chobhe
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Patent number: 7854293Abstract: A riding mower assembly may include a mower frame, first and second wheels, and a steering assembly. The steering assembly may include a steering frame member fixed to the mower frame, a first steering arm rotatably coupled to a first end of the steering frame member and having the first wheel coupled thereto, a second steering arm rotatably coupled to a second end of the steering frame member and having the second wheel coupled thereto, an actuation mechanism, and a cross-member. The actuation mechanism may include a first end coupled to the steering frame member and a second end coupled to the first steering arm. The actuation mechanism may include a motor having an actuation arm extending therefrom that rotates the first steering arm. The cross-member may have a first end coupled to the first steering arm and a second end coupled to the second steering arm.Type: GrantFiled: February 19, 2008Date of Patent: December 21, 2010Assignee: Textron Innovations Inc.Inventors: Harry L. Derby, V., Martin M. Carlson, Christian Stanton Carver Bryant, Kenneth R. Wilson, Scott Chartrand
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Patent number: 7025168Abstract: A sliding shield structure is attached to the rod of a steering cylinder and moves with the rod to fully protect the rod at all times and to eliminate interference between the shield and steerable wheel throughout the steering range of the implement. Primarily support of the shield is by the implement axle structure, rollers and slides. The shield and the rod can rotate freely relative to each other to eliminate torque load transmission between the components. A notched plate holds the structure and facilitates easy removal by simply rotating the shield away from the cylinder rod.Type: GrantFiled: April 16, 2004Date of Patent: April 11, 2006Assignee: Deere & CompanyInventors: Jeffrey Scott Wigdahl, Bradley John Friest
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Patent number: 6510917Abstract: A rear wheel steering apparatus for steering the rear wheels of a vehicle supported on a multi-link suspension includes a live axle and a track bar pivotally connecting the axle to a vehicle frame. Steering knuckles at opposite ends of the axle support road wheels for rotation and for steering. Steering arms extend from the steering knuckles and a drag link extends between and interconnects the steering arms. An actuator is connected between the frame and the drag link and steers the rear road wheels by alternately pushing and pulling on the drag link.Type: GrantFiled: March 28, 2001Date of Patent: January 28, 2003Assignee: Delphi Technologies, Inc.Inventor: Michael James Cole
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Patent number: 6202781Abstract: A power steering device for a vehicle includes: a wheel-steering generator adapted to be connected to an axle case comprising a differential gear and a pair of right and left axles having a common axis; right and left steering knuckles adapted to be connected to the right and left axles, respectively, to attach right and left steering wheels thereto; right and left tie rods disposed between the right steering knuckle and the right piston rod and between the left steering knuckle and the left piston rod, respectively, to transmit force from the right and left piston rods to the respective steering knuckles, thereby steering the respective wheels; and right and left coupling members which couple the right and left tie rods with the right and left piston rods, respectively.Type: GrantFiled: November 6, 1998Date of Patent: March 20, 2001Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventor: Akihiro Ima
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Patent number: 5934404Abstract: A rack and pinion steering system for a sport utility vehicle having a solid front axle includes a pinion gear connected to the steering column of the vehicle and a rack gear meshed with the pinion gear. A coupling segment is moved by the engagement segment, and an arm is connected to the coupling segment. A drag link in turn is connected to the arm and is coupled to a first front wheel of the vehicle. Also, a tie rod couples the first front wheel to the second front wheel of the vehicle. With this structure, rotation of the pinion gear by the steering column causes the rack gear and arm to move translationally, thereby moving the drag link to turn the first front wheel. The first front wheel cooperates with the tie rod to simultaneously turn the second front wheel.Type: GrantFiled: March 24, 1997Date of Patent: August 10, 1999Assignee: Chrysler CorporationInventors: Louis D. DeLellis, Robert M. Kuhn
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Patent number: 5921343Abstract: A power steering structure, in which a power cylinder 10 is disposed at an axle casing of the steering side of a running vehicle, the power cylinder is disposed to traverse above an input shaft 21 for the axle casing, one of the fixed side and movable side of the power cylinder is pivotally mounted on a lid mounted to the axle casing and for supporting the input shaft, and the other is pivotally mounted to one of knuckle arms 23 connected with each other through a tie rod 24.Type: GrantFiled: March 21, 1997Date of Patent: July 13, 1999Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventor: Naoki Yamakaji