About A Pivot Axis Fixed To Mounting Patents (Class 172/825)
  • Patent number: 10087600
    Abstract: An assembly for use in adjusting a pitch of a tool relative to a machine may have a link with a first end connectable to the tool and a second end connectable to the machine. The assembly may also have a bushing configured to engage a slot in at least one of the machine and the tool. An offset bore may be formed in the bushing. The assembly may also have a pin passing through the offset bore of the bushing and the link. The bushing may be reconfigurable between a plurality of discrete positions within the slot to incrementally adjust the pitch of the tool relative to the machine.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 2, 2018
    Assignee: Caterpillar Inc.
    Inventors: Daniel Wilson Hoyt, Benjamin Thomas Nelson, Colin Swan Garnett
  • Publication number: 20120279735
    Abstract: A pivot mechanism for adjusting a blade on a work vehicle is provided. The pivot mechanism includes a bushing bolt fastened to a mounting bracket on the blade. The bushing bolt has a spherical portion fixedly positioned between coupling ends and configured to receive a bushing. The pivot mechanism further includes a cylinder coupled to the bushing bolt for controlling the position of the blade.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 8, 2012
    Applicant: DEERE AND COMPANY
    Inventor: Steven J. Ditzler
  • Patent number: 7163068
    Abstract: A hitch assembly for use between a prime mover having a pair of moveable arms and a trailed vehicle. The hitch assembly includes a transverse member attached by a pivot attachment to each movable arm at spaced locations on the transverse member. Each of the movable arms is pivotable about a horizontal axis defined by the transverse member. A pivot connection connects the transverse member and a frame member or draw bar of the trailed vehicle. The transverse member pivots with respect to the frame member or drawbar about a vertical axis and a horizontal axis defined by the direction of travel.
    Type: Grant
    Filed: March 18, 2005
    Date of Patent: January 16, 2007
    Inventor: Wayne Job
  • Patent number: 6672401
    Abstract: A towable scraper system for contour surface grading. The system includes a rigid chassis member that has a coupler configured for attachment to a conventional three-point tractor hitch. A scraper blade is pivotally suspended from the rigid chassis member and is equipped with a blade motivator for causing an angular rotation of the blade around an axis aligned with a towing direction. A lift assembly raises and lowers the rigid chassis member to control a height of the scraper blade relative to a work surface to be graded. The towable scraper system is provided with a carriage assembly that offers rolling support for the rigid chassis as it moves over the work surface. The carriage assembly is pivotally coupled to the rigid chassis at a location opposed to the coupler and is configured for angular rotation around a second axis aligned with the towing direction.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: January 6, 2004
    Assignee: Southern Laser, Inc.
    Inventor: Robert W. Crowley, II
  • Patent number: 6360459
    Abstract: A tiltable bucket assembly includes a bucket and an interface member. The bucket has a front loading portion, a rear connecting portion with a front surface adjacent the front loading portion and a rear surface opposite therefrom, and a pair of spaced guide members connected to the rear surface. The bucket defines a substantially enclosed chamber that extends from the front surface and terminates within the front loading portion. The interface member is rotatably mounted with the bucket. The interface member has opposed side portions supported within the guide members. A hydraulic cylinder is located within the chamber and has a rod end portion connected to the bucket and a head end portion connected to the interface member. The hydraulic cylinder is adapted to provide rotational movement of the bucket about the interface member upon actuation.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: March 26, 2002
    Assignee: Caterpillar Inc.
    Inventors: Roy V. Brookhart, Scott E. Keele, J. Brian Normann, Kevin J. Romanchok, Philip H. Warren, Jr.
  • Patent number: 6273198
    Abstract: A pitch control system for a bulldozer having a bulldozer blade that is mounted to a blade linkage. The bulldozer blade is coupled to the blade linkage by a bearing that permits the right and left angling movement of the bulldozer blade and the forward and rearward pitch of the bulldozer blade relative to the blade linkage. An angling control valve hydraulically positions two hydraulic angling cylinders for angling the blade right and left relative to the blade linkage. A hydraulic dump valve is hydraulically positioned between the angling hydraulic control valve and the hydraulic angling cylinder, the hydraulic dump valve having a dump position and a checked position. A linear actuator in the form of a hydraulic pitch cylinder is operatively positioned between the blade linkage and the blade for selectively adjusting the pitch of the blade relative to the blade linkage. A pitch control valve is used to selectively position the pitch cylinder.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: August 14, 2001
    Assignee: Deere & Company
    Inventors: Jeffrey Alan Bauer, Jon Roy Williams, Ben Paul Tabor
  • Patent number: 5899280
    Abstract: A tilting loader is provided including a pair of arms connected to a vehicle and adapted to raise and lower. Also included is a bucket including a rear portion having a rear face pivotally coupled to the arms. A tilt mechanism is included for rotating the bucket about a horizontally oriented central longitudinal axis in a counterclockwise direction. The tilt mechanism further rotates the bucket about a horizontally oriented central longitudinal axis in a clockwise direction.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: May 4, 1999
    Inventor: Dan L. Chouteau
  • Patent number: 5732781
    Abstract: A mechanism to interfit between the bucket of a front end loader and its support and tilting arms allows the bucket be tilted in a laterally extending vertical plane. The mechanism provides a rear plate, having rearwardly extending fastening structure to pivotally interconnect to the support and tilting arms, pivotally carrying a front plate having forwardly extending fastening structure to immovably interconnect the bucket. The pivotal interconnection of the front plate with the rear plate is accomplished by a medial journaling pin, journaling channels at each lateral end of the rear plate that carry the lateral portions of the front plate and a medial nut and bolt combination extending therebetween to allow limited pivotal motion. A first species of mounting mechanism powers the tilting motion of the bucket by an asymmetrically positioned, horizontally extending hydraulic cylinder, and a second species powers the tilting motion by an asymmetrically positioned, vertically extending hydraulic cylinder.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: March 31, 1998
    Inventor: Robert H. Chambers
  • Patent number: 5069296
    Abstract: An apparatus adapted to permit independent setting of pitch and tilt of dozer blades without necessitating complex hydraulic circuitry or mechanical linkage. The blade is pivotally supported by two forwardly extending push beams. A strut is connected at one end to one of the push beams and is connected at its other end to the dozer blade via a cam assembly. The cam assembly permits dozer blade pitching to take place without interacting with the dozer blade tilt angle. In a preferred embodiment, two struts are used at opposite ends of the blade and are each connected to their respective side of the blade by a respective cam. The two cams are linked together and synchronized so that their stroke equally pitches the sides of the dozer blade.
    Type: Grant
    Filed: June 5, 1990
    Date of Patent: December 3, 1991
    Assignee: Case Corporation
    Inventor: Rudolf Horsch
  • Patent number: 4999022
    Abstract: An earthmoving attachment to be mounted on the front end of a tractor. The attachment includes a frame secured to the tractor, arms pivoted to the frame and extending forwardly and mounting a combination bucket and blade. Hydraulic cylinders individually extend telescoping sections in the arms to effect a skewing of the blade. Another hydraulic cylinder mounting a slider adjacent one end of the blade is operable to tilt the blade or bucket. Other sets of hydraulic cylinders tip the bucket and lift the arms conventionally. Simple adjustments are operable to convert the attachment from the configuration of a front-end-loader to that of a dozer, and to skew, tilt and tip the blade and bucket in various configurations.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: March 12, 1991
    Inventor: Jeff M. Veys
  • Patent number: 4966240
    Abstract: A bulldozer apparatus for a working vehicle comprising a vertically pivotable arm assembly, and a blade pivotable on a fore and aft axis extending along a center position of the vehicle. Two hydraulic cylinders are disposed at opposite sides of the fore and aft axis for causing pivotal movement of the blade such that the blade is pivotable in opposite directions with extensions of the hydraulic cylinders. Two engaging devices extend substantially longitudinally of the vehicle at opposite positions across the fore and aft axis and interconnect the blade and the arm assembly for relative pivotal movement.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: October 30, 1990
    Assignee: Kubota, Ltd.
    Inventor: Norihiro Aikawa
  • Patent number: 4919034
    Abstract: A mine clearing apparatus for mounting onto a vehicle, the apparatus comprising a support adapted to be rigidly fixed to the vehicle and at least one elongate plough blade extending transversely of the path of forward travel of the vehicle and mounted on the support in such a way that the or each blade is pivotable about a first axis which extends transversely of said path and characterized in that said plough blade is pivotable also about a second axis which extends substantially perpendicular to said first axis and approximately or generally parallel to the path of travel of the vehicle.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: April 24, 1990
    Inventor: Charles B. Firth
  • Patent number: 4356645
    Abstract: A variable wing plow blade and mounting structure for attaching the plow blade to a tractor, snow grooming vehicle, and the like feature distribution of the load on the blade over a relatively wide area of the supporting structural members thereby to permit reduction in their size, weight and number and in their manufacturing and assembling costs while maintaining the essential structural strength, and are further characterized in the attainment of improved performance and utility in respect of independence of the plow blade height and pitch or roll, tilt and wing blade adjustments, and greater freedom of movement of the wing blades of the plow blade, both forwardly and rearwardly, from a position of alignment with the center section of the plow blade.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: November 2, 1982
    Assignee: De Lorean Manufacturing Company
    Inventors: Gordon Hine, Robert D. Mathis
  • Patent number: 4337837
    Abstract: A dozer blade mounting for a dozer frame having a dozer blade movably supported thereon includes at least one rigid link that has one end pivoted on the vehicle frame and the opposite end pivoted on the dozer frame with fluid ram means associated with the vehicle frame and dozer frame for raising and lowering the blade and dozer frame and angling the dozer frame and blade with respect to a horizontal reference plane. In one version of the invention, two separate links are universally connected at opposite ends to the dozer frame and the vehicle frame and a pair of independently actuated fluid rams are interposed between the dozer frame and the vehicle frame to produce the raising and lowering as well as the tilting of the blade with respect to the vehicle. In another version, the rigid link is raised and lowered through a fluid ram between the link and the vehicle frame and a second fluid ram is interposed between the link and the dozer frame to produce the tilting of the blade.
    Type: Grant
    Filed: June 19, 1980
    Date of Patent: July 6, 1982
    Assignee: J. I. Case Company
    Inventor: Roland N. Nissen
  • Patent number: 4270617
    Abstract: An earth moving machine having an improved mounting for a scraping blade attached thereto. The scraping blade of the machine herein disclosed is capable of undergoing independent or simultaneous rotational movement about three perpendicular axes and applying high forces to material to be moved. Movement about two of these axes is controlled by two separate pairs of hydraulic cylinders. A hydraulic actuator effects movement of the blade about a third axis and acts to transmit a part of the force applied to the blade during operation to the frame of the machine.
    Type: Grant
    Filed: July 5, 1979
    Date of Patent: June 2, 1981
    Assignee: Fiat-Allis Macchine Movimento Terra S.p.A.
    Inventors: Bruno G. Cantarella, Carlo Cecchi