Patents Examined by Donald W. Underwood
  • Patent number: 7147425
    Abstract: A loader excavator is described that is operable in an excavation mode or in a loader mode. The loader excavator comprises a main boom and a dipper boom, wherein a loader bucket or an excavator bucket can be selectively utilized in accordance with user preference.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: December 12, 2006
    Inventor: John Andrews Holt
  • Patent number: 7134832
    Abstract: Method and apparatus to simplify the process of adding a loader to a tractor after the manufacturing process. A pair of mounting brackets, one on each side of the tractor, each comprises a front piece and a rear piece. The rear piece is affixed to the tractor during the manufacturing process and the front piece, including a bearing surface for a transverse support axis of a loader, is selectively affixed to the respective rear piece and tractor when a decision to incorporate a loader is taken.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: November 14, 2006
    Assignee: CNH America LLC
    Inventors: John J. Schrepferman, Gale A. Holloway
  • Patent number: 7108475
    Abstract: A three-point hitch faceplate having a set of skid steer receiver attachment points to permit an all-purpose agricultural tractor to operably connect to skid steer attachments so that the agricultural tractor can utilize off-the-shelf skid steer attachments.
    Type: Grant
    Filed: May 19, 2003
    Date of Patent: September 19, 2006
    Inventor: John Gustafson
  • Patent number: 7090458
    Abstract: A linkage mechanism for a pick and place robot includes two rotatable drive members mounted on a base and connected to a platform by a respective two element linkage. The mid point of the two element linkage has a bell crank, the arms of which are connected to first and second location links anchored respectively at the base and platform. The platform may be configured to carry various implements, and the mechanism permits movement thereof in two dimensions by selective motion of the drive members.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: August 15, 2006
    Assignee: Tianjin University
    Inventors: Tian Huang, Meng Li, Zhanxian Li, Derek G. Chetwynd, David J. Whitehouse
  • Patent number: 7086822
    Abstract: An SCARA type robot comprises: an arm unit (14), whose one end is linked to a base (11) so as to be pivotable in a horizontal plane, and which is capable of horizontally bending and stretching; wrist portions (15a, 15b) which are linked to the other end of the arm unit so as to be pivotable in a horizontal plane, and to which finger portions (16a, 16b) to hold a tabular object (7) are fixed; and a driving means for the arm unit and the wrist portions, wherein the driving means can independently turn a pivotable portion which links the wrist portions and the arm unit, a pivotable portion which bends and stretches the arm unit, and a pivotable portion which links the arm unit and the base, so that the finger portions holding the tabular object can be moved along a plurality of nearly straight through routes which are virtually parallel to each other, and can cause at least one of the pivotable portions to make one turn or more.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: August 8, 2006
    Assignee: RORZE Corporation
    Inventor: Akira Maeda
  • Patent number: 7077620
    Abstract: The present invention provides a carrier elevating apparatus suitable for a low floor type conveying apparatus with carriers. A cam rail 36 extends along a horizontal running track, along which a carriage runs. The carriage includes a deck 1, on which an erectable cross-linking mechanism 3 is mounted. The cross-linking mechanism 3 supports and vertically moves a carrier 2A. The cross-linking mechanism 3 includes a link 14a and a link 14b. The link 14a is supported at its lower end pivotably by the deck 1 through a fixed horizontal pivot shaft 16. The links 14a and 14b are connected together at their middle points by a fulcrum shaft 15, which is parallel with the pivot shaft 16. The link 14a is fitted with a driven member 25 between the shafts 15 and 16. An elevator 27 is supported vertically movably by the deck 1. The elevator 27 includes a bearing member 32 fixed to its top and a cam follower 34 supported by its bottom.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: July 18, 2006
    Assignee: Daifuku Co., Ltd.
    Inventor: Yasushi Ishioka
  • Patent number: 7077621
    Abstract: Apparatus for a dual powered actuator system. The system comprises a support member supporting an article in movement along a first direction and a second direction. A precision actuator is coupled with the support member and responsive to an input signal to selectively move the support member. A fluid actuator is also coupled with the support member to selectively move the support member. An active fluid regulator provides a first pressure to the fluid actuator in the first direction of the support member and a second pressure to the fluid actuator in the second direction of the support member, wherein the first and second pressures are different. A controller activates the active fluid regulator and the precision actuator.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: July 18, 2006
    Assignee: Seagate Technology LLC
    Inventor: Shawn A. Ruden
  • Patent number: 7070383
    Abstract: A boom assembly includes a hollow bent boom pivotally connected to a swing bracket, a hollow arm pivotally connected to a leading end of the boom and pivotally supporting an implement at a leading end of the arm, a pair of right and left connecting brackets attached to opposed side faces of a base end of the arm, an implement cylinder provided between the implement and the connecting brackets for operating the implement, a hydraulic service port for a hydraulic implement, and a hydraulic oil pipe for supplying pressure oil to the implement cylinder and the hydraulic service port. The hydraulic service port is provided in the connecting brackets and the hydraulic oil pipe extends through the inside of the hollow boom to be exposed to the outside from a back face area of the leading end of the boom and then further extends between the pair of right and left connecting brackets.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: July 4, 2006
    Assignee: Kubota Corporation
    Inventor: Takatoshi Sugimoto
  • Patent number: 7070380
    Abstract: In a laser beam machining apparatus, a work supply station is disposed on one side of a laser beam machining apparatus body, and a work holding station is disposed on the other side of the laser beam machining apparatus body. Each of the work supply station and the work holding station is provided with a means for removing a work vertically and positioning the work w in a horizontal state on a machining table. A stocker including works disposed therein is disposed in the work supply station, and a stocker including no work disposed therein is disposed in the work holding station, so that a surface of a work w disposed in the stocker is machined, and the machined work is disposed in the stocker. When the machining of the works disposed in the stocker has been finished, the stocker is rotated through 180 degrees about a vertical axis by a lifter. Then, a back of the work is machined according to a procedure reverse from the above-described machining procedure.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: July 4, 2006
    Assignee: Hitachi Via Mechanics, Ltd.
    Inventors: Yasushi Ito, Masuo Yamauchi, Norio Michigami
  • Patent number: 7063499
    Abstract: A conveyor system able to safety convey a workpiece having a thickness of less than 100 ?m and easily position the workpiece, provided with a plate-shaped member provided movably and swivelably and a moving and swiveling means moving and swiveling the plate-shaped member, the plate-shaped member being provided together with a lifting means for uniformly lifting in its entirety a workpiece carried at the carrying location and a holding means for holding a workpiece lifted by the lifting means by chucking its entirety on a workpiece chucking surface of the plate-shaped member, and a plurality of Verneuil nozzles serving as the lifting means and a plurality of vacuum chucking nozzles serving as the holding means being formed in the workpiece chucking surface near an outer periphery of the plate-shaped member along the outer periphery.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: June 20, 2006
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventor: Akihiro Miyamoto
  • Patent number: 7063498
    Abstract: A takeout arm assembly (10) for an I.S. glass container forming machine, the arm assembly having a housing (14) that is oscillatible about the central axis of a first shaft (12). The housing has a first gear (16) that is coaxial with the first shaft and oscillatible with the housing, and with respect to the first shaft, the housing further having a second gear (18) that is positioned within and is rotatable with respect to the housing. The second gear is spaced from the first gear with the axes of the first and second gears being parallel to one another. A rack (30) having teeth in engagement with teeth on the first gear and the second gear is caused to move rectilinearly by oscillating motion of a reversible a.c. servo motor (26) that serves to drive the first gear, to thereby transmit turning motion from the first gear to the second gear.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: June 20, 2006
    Assignee: Owens-Brockway Glass Container Inc.
    Inventors: Frank J. DiFrank, Larry N. Shue, Thomas R. Kirkman
  • Patent number: 7056080
    Abstract: A two-arm transfer robot includes a swivel base arranged to swivel about a vertical swivel axis, and a pair of link arm mechanisms attached to the swivel base. These two link arm mechanisms are symmetrical in structure and function with respect to the swivel axis. A first hand member is supported by one of the link arm mechanisms for carrying a work, while a second hand member is supported by the other link arm mechanism for carrying a work. The first hand member and the second hand member are horizontally movable at the same height without interfering with each other.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: June 6, 2006
    Assignee: Daihen Corporation
    Inventors: Hironori Ogawa, Sakiko Uno
  • Patent number: 7056079
    Abstract: Work machines having linkages may need to have the linkage assembly locked in a predetermined position to prevent damage to an implement attached to the work machine, to prevent tipping of the work machine, to operate the implement, or other reasons. Locking the linkage assembly, however, can create significant loads on the linkage assembly. The disclosed method and apparatus is for a work machine that comprises a chassis, at least one linkage assembly attached to the work machine, at least one restraint having a first-end portion and a second-end portion, the second-end portion being attached to the chassis and the first-end portion being attached to the linkage assembly, the restraint transferring a load from the linkage assembly to the chassis.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: June 6, 2006
    Assignee: Caterpillar Inc.
    Inventors: Dana D. Branham, Andy R. Fowkes, Robert W. Hunter, Jr., Paul E. Pottschmidt
  • Patent number: 7044707
    Abstract: The machine according to the invention comprises: a lower frame fitted with a linear guide system (21), a mobile carriage (23) comprising a front half-carriage (24) and a back half-carriage (25), each half-carriage including: a rigid bridge installed free to slide on the linear guide systems (21), a motorised device (37) for driving at least one belt in rotation, at least a first return device (41) for at least one belt, at least one endless driving belt (38) installed between the motorised drive device (37) and the return device (41) and delimiting a receptacle gripping and movement path, and a system (61) for moving one half-carriage away from or towards the other half-carriage.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: May 16, 2006
    Assignee: BSN Glasspack
    Inventors: Jean-Fran├žois Garin, Laurent Miranda De Azevedo
  • Patent number: 7044706
    Abstract: Manipulating a vehicle body panel includes utilizing a base plate, left and right screw rods, a motor, and clamping units. The base plate is connected to the arm of the robot. The left and right screw rods are rotatably mounted below the base plate by bearing blocks and each of the screw rods has a driven helical gear at an interior end thereof. The motor is disposed central to and above the base plate and has a rotating shaft. A driving helical gear is formed at an end of the rotating shaft and is engaged with both of the driven helical gears. The clamping units are respectively mounted to the left and right screw rods by a screw block. The clamping units clamp the vehicle body panel by laterally moving with respect to the base plate and move the vehicle body panel up and down.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: May 16, 2006
    Assignee: Hyundai Motor Company
    Inventor: Jae Hwan Jung
  • Patent number: 7044705
    Abstract: A load handling machine includes a body, a lifting arm pivotally mounted to the body about a first pivot axis, and a load handling implement pivotally mounted to the lifting arm about a second pivot axis. A first actuator provides movement about the first axis, and a second actuator provides movement about the second axis. A displacement device is mounted on the body and the lifting and includes a pair of cylinders. The second actuator and the displacement device are interconnected such that as the lifting arm is lowered, fluid ejected from one of the pair of cylinders of the displacement device is fed to an annulus side of the second actuator, and as the lifting arm is raised, fluid is ejected from annulus sides of both of the cylinders of the displacement device and is fed to a non-annulus side of the second actuator.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: May 16, 2006
    Assignee: J.C. Bamford Excavators Limited
    Inventor: Richard Francis Way
  • Patent number: 7040852
    Abstract: Herein disclosed is a robot arm mechanism comprising: a first handling member for supporting and handling a first object; a second handling member for supporting and handling a second object; a first robot arm including a first arm link and a second arm link, the first end portion of the second arm link being pivotably connected to the second end portion of the first arm link, and the second end portion of the second arm link being connected to the first handling member to allow the first handling member to support the first object in a stable condition; a second robot arm including a first arm link and a second arm link, the first end portion of the second arm link being pivotably connected to the second end portion of the first arm link, the second arm link being inclined with respect to the second arm link of the first robot arm at a preset angle defined between the central line of the second arm link of the second robot arm and the central line of the second arm link of the first robot arm, and the second
    Type: Grant
    Filed: April 24, 2003
    Date of Patent: May 9, 2006
    Assignee: Teijin Seiki Co., Ltd.
    Inventors: Hiroki Mori, Tetsuya Watanabe, Chohei Okuno
  • Patent number: 7037064
    Abstract: An assembly mountable on a dipper stick of a machine having a tool pivotally connected thereto and means operatively interconnecting the dipper stick and the tool for pivoting the tool relative to the dipper stick, cooperable with the tool for grappling objects, generally consisting of an arm member having a first section connectable to an underside of the dipper stick for pivotal movement about a second axis and a second section connectable to the first section for pivotal movement relative to the first arm section about a third axis, one of the arm sections having a curved bearing surface with a notch therein and the other of the arm sections having a roller biased against the bearing surface whereby the roller may be received in the notch to displaceably position the second arm section relative to the first arm section in a certain relationship, and ride on portions of the curved bearing surface upon a force in a certain direction as being applied to the second arm member causing the roller to ride out of
    Type: Grant
    Filed: February 26, 2004
    Date of Patent: May 2, 2006
    Assignee: Rockland, Inc.
    Inventor: Ashley Heiple
  • Patent number: 7029224
    Abstract: A method for transferring a thin plate is provided, in which three or more grasping claws of a transfer arm grasp the periphery of the thin plate in order to transfer it to a predetermined transfer position, and three or more holding claws hold the periphery of the thin plate in the transfer position. The transfer arm rotates about a shaft which is in a direction of a vector sum of a first vector perpendicular to a surface of the thin plate before transfer, and a second vector perpendicular to the surface of the thin plate after the transfer, to transfer the thin plate with changing the posture thereof.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: April 18, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keishi Kubo, Keiichi Yoshizumi, Hiroyuki Takeuchi, Koji Handa, Takaaki Kassai
  • Patent number: RE40690
    Abstract: A machine tool center (10) displays at least one machine tool (11, 12, 13) which has a working area (17) accessible through an operator door (16) to process workpieces (21). Furthermore, a loading/unloading station (14) for the workpieces (21) and a loading device (22) which transports the workpieces (21) between the loading/unloading station (14) and the respective machine tool (11, 12, 13) and changes these at the machine tool (11, 12, 13) are also provided. In the new machine tool center (10) the loading device (22) is arranged below the working space (17) of the machine tool (11, 12, 13) (FIG. 1).
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: March 31, 2009
    Assignee: Chiron-Werke GmbH & Co., K.G.
    Inventors: Rudolf Haninger, Hans-Henning Winkler