Patents Examined by Meredith C. Petravick
  • Patent number: 7445129
    Abstract: A holding device includes a base including a first protrusion and a second protrusion with a receiving space defined between the two protrusions. The first protrusion has a hole defined in an inside thereof and a clamping member is eccentrically received in the first protrusion so that a friction portion of the clamping member is movably extended through the hole and protrudes into the receiving space. A shank of a tool is received in the receiving space and clamped by the clamping member and a friction plate on the second protrusion. A cover is received in the first protrusion from an open rear end of the base so as to prevent foreign objects from entering the first protrusion.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: November 4, 2008
    Inventor: Jui-Chin Lin
  • Patent number: 7200980
    Abstract: A self-propelled forage harvester includes front and rear sets of driven ground wheels. The front set of wheels is driven through a transmission including an input shaft driven by a variable displacement motor and coupled to the front set of wheels by a gear train including one planetary gear set, (in one embodiment), and two planetary gear sets, (in a second embodiment). In both cases, the transmission is shiftable so as to establish at least first and second gear ratios. The shifting of the transmission is accomplished automatically by a control arrangement which takes into account the operating mode of the harvester so that a ratio for producing the correct velocity range for harvesting is established when the harvester is in a working operating mode, and a higher velocity range is established when the harvester is in a transport operating mode. Other operating parameters are sensed and used to automatically control hydraulic pump and/or motor displacement, and for controlling engine speed.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: April 10, 2007
    Assignee: Deere & Company
    Inventor: Bernd Kempf
  • Patent number: 7171798
    Abstract: A brush cutter blade for shredding of grasses, weeds, vines and brush and also for saw cutting of saplings and tree branches, comprising a circular saw blade member with auxiliary cutting elements projecting from the underside of the blade. Several preferred embodiments include semielliptic and rectangular structures and serrated and non-serrated cutting edges for the auxiliary cutting elements. All embodiments share outwardly sloped, substantially flat structures, circularly and symmetrically disposed, with centrally inclined base lines. This combination of structural features is enacted upon by centrifugal forces during rotation, to create an effective self-cleaning mechanism, whereby cutting debris is urged upward, outward and away from the auxiliary cutting elements.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: February 6, 2007
    Inventor: Eckhard Bernardy
  • Patent number: 7168230
    Abstract: An apparatus for gathering, picking up and carrying loose materials such as dirt, leaves, debris, trash, hay, ice, snow and other materials or objects consists of two grasping elements which each have shafts with grasping devices or heads at one end, and a coupling which joins their shafts. The grasping elements can be commercially available rakes or shovels. Loose materials are gathered and picked up by placing one hand on the shaft of each grasping element and drawing the heads together. The coupling is flexible and can be moved along the shafts of the grasping elements to change the manner in which the elements function together. When the coupling is positioned at the end near the grasping heads, the apparatus functions in the manner of a post hole digger. When it is positioned near the middle or far end of the shafts, the apparatus functions in the manner of rake tongs or tweezers tongs.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: January 30, 2007
    Inventor: Herbert Howell Waddell
  • Patent number: 7168191
    Abstract: A hydraulic excavator is equipped with one or more downsizing scheme including at least one of: (i) a bubble removing device for removing bubbles in hydraulic fluid, (ii) a hydraulic tank including a main tank and a variable capacity tank arranged separately from each other, and (iii) a variable capacity tank or hydraulic tank which is fitted to the rear surface of the upper cover of the seat-side block. Thus, the lateral section of the seat can be ultimately downsized to provide a large space around the seat. Then, unlike the prior art, a canopy or a cab of a larger hydraulic excavator can be securely arranged on the upper swing body of a small hydraulic excavator. Since such large parts can be commonly used with large hydraulic excavators, it is possible to significantly reduce the cost of the hydraulic excavator.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: January 30, 2007
    Assignee: Komatsu Ltd.
    Inventors: Kouji Chikaishi, Akiko Konishi, Shotaro Ishii, Noboru Kanayama, Kazuhiro Yoshida
  • Patent number: 7168227
    Abstract: A walk-behind greens mower having a mobile structure and a ground engaging traction member rotatably coupled to the mobile structure. The ground engaging traction member imparts traction movement to the mobile structure for movement on the ground at a ground speed. An internal combustion engine is supported on the mobile structure and outputs a driving force to the ground engaging traction member. A bed knife is supported by the mobile structure having a cutting edge that cooperates with a grass cutting reel rotatably supported on the mobile structure. An electric motor supported on the mobile structure rotatably driving the grass cutting reel at a rotational speed that can vary depending upon the detected ground speed.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: January 30, 2007
    Assignee: Textron Inc.
    Inventors: Harry L. Derby, V, Bryan E. Holby
  • Patent number: 7165345
    Abstract: The automation mechanism has of three rubber discs, two of which are connected to two swiveling brackets. The brackets are directed by two cables and two cable levers, each one connected to each handlebar. The swivelling brackets consist of two rubber discs that make contact to the center disc at the left side of the shroud. This center disc is connected to the rotating snow auger inside the shroud, which is the driving force for this invention. When one of the rubber discs makes contact with the rotating rubber disc at the center, it rotates a drive chain that is connected to a sprocket near the discharge chute. The sprocket rotates a clutch that rotates a worm gear, and in turn, rotates the discharge chute. Once the discharge chute reaches its maximum rotating limit, the clutch disengages by slipping. The operator can move the chute either right or left by pulling on either the left or right lever on the handlebars, while operating the snow blower at the same time.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: January 23, 2007
    Inventor: Gilles Joseph Beaudoin
  • Patent number: 7165382
    Abstract: An attachment for a lawn maintenance vehicle includes a trimming apparatus. The attachment allows vertical and horizontal movement of the trimming apparatus such that lawn areas which are not accessible to the lawn maintenance vehicle's cutting apparatus can be trimmed easily.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: January 23, 2007
    Inventor: James D. Mitchell, Jr.
  • Patent number: 7165383
    Abstract: A trimmer attachment for mower deck having a servo connectable to a lawn mower deck. The servo is capable of angular actuation. A line trimmer is connected to the servo. The line trimmer has a bottom side. The line trimmer is capable of feeding line upon tapping the line trimmer bottom side upon a surface. A line feed switch is connected to the servo. The line feed switch is capable of actuating the servo downward and upward to tap the line trimmer bottom side upon a surface.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: January 23, 2007
    Inventor: James J. Luton, Jr.
  • Patent number: 7163457
    Abstract: A device for changing throughgoing openings through which grain passes in a separating area of a concave in an agricultural harvester in which the concave is composed of at least one frame, and a plurality of beater strips and wires which form therebetween the throughgoing openings the concave separating area, the device comprising an adjusting device composed of a plurality of individual tines which are in operative connection with one another through at least one tine strip, a switching shaft, and at least one cam arranged on the switching shaft and controlling the tine strip, wherein the adjusting device is being configured so as to change a size of the throughgoing openings so as to determine a comminution degree of a product mat between a threshing drum and the concave.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: January 16, 2007
    Assignee: CLAAS Selbstfahrende Erntemaschinen GmbH
    Inventors: Dirk Esken, Berthold Schwersmann
  • Patent number: 7162853
    Abstract: A lawn mower has driving front wheels and driving rear wheels. The mower includes a mower unit mounted between the front wheels and the rear wheels to be vertically movable, an engine mounted to a front portion of a vehicle body, a transmission case disposed rearwardly of the engine, an HST coupled to a rear wall of the transmission case, the HST having a pump shaft and a motor shaft both projecting forwardly, a charge pump for the HST attached to a front wall of the transmission case, a transmission mechanism disposed inside the transmission case. The transmission mechanism includes an input shaft operably coupling a transmission shaft from the engine to the pump shaft, a first output shaft for transmitting power from the motor shaft to a transmission shaft for the front wheels, a PTO shaft for transmitting power from the input shaft to a transmission shaft for the mower unit, and a second output shaft for transmitting power from the input shaft to the charge pump.
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: January 16, 2007
    Assignee: Kubota Corporation
    Inventors: Hiroki Nagai, Hiroyuki Ogasawara, Kazuaki Kurohara, Katsuhiko Uemura, Hiroyuki Tada
  • Patent number: 7162854
    Abstract: An implement, such as a header for a combine, having an integral transport system with a pair of ground engaging wheels that are moved between transport positions used in transporting the implement and stowed positions on the implement during use of the implement. The wheels may be used as gauge wheels during use to support the ends of the implement. A trailer tongue is retractable and stowed onboard the implement during use, as is a tongue jack. Lights are provided at the end of the implement for visibility during transport. The lights are stowed beneath a cover on the end of the implement to protect the lights from damage during use. All components of the transport system are carried on the implement during use to ensure that they are with the implement when needed to transport the implement. All components are mounted with pins, enabling the implement to be converted between transport and use configurations without the use of hand tools.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: January 16, 2007
    Assignee: Deere & Company
    Inventors: Sidney Wayne Yeomans, Bradley James Watts, Gordon Lee Salley, Kevin D. Brase
  • Patent number: 7162857
    Abstract: A scraping adapted for attachment to the raking head of a conventional rake includes a substantially elongated adapter body defining a body first longitudinal edge, an opposed body second longitudinal edge and a pair of substantially opposed body longitudinal ends. The adapter body is configured so as to provide a substantially longitudinally extending scraping section adjacent the body first longitudinal edge. The scraping adapter also includes a body-to-head attachment structure for attaching the adapter body to the raking head with the head base and body longitudinal axis in a parallel relationship relative to each other and the scraping section positioned opposite the rake tines.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: January 16, 2007
    Inventor: Denis Gagne
  • Patent number: 7159343
    Abstract: A working machine has a transmission case having a transmission mechanism accommodated therein. The transmission mechanism has an input shaft having a first longitudinal axis and an output shaft having a second longitudinal axis extending in a direction generally perpendicular to the first longitudinal axis. A working unit is mounted to a front portion or a side portion of the transmission case and is connected to the output shaft of the transmission mechanism. A working is drive source is connected to the input shaft of the transmission mechanism for driving the working unit via the transmission mechanism for driving the working unit via the transmission mechanism. The working drive source is mounted to an upper surface portion of the transmission case. A traveling unit has at least one driving axle mounted to a side portion of the transmission case. An electric motor is mounted to a side portion of the transmission case for driving the traveling unit.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: January 9, 2007
    Assignee: Honda Motor Co., Ltd.
    Inventors: Jitsumi Hanafusa, Tsuyoshi Yoshigasaki
  • Patent number: 7156732
    Abstract: An agricultural machine having at least one crop processing work unit, a plurality of crop transport units operatively assembled as a straw walker step, wherein the crop transport units convey crop streams in opposite directions and are spaced apart defining a crop through-gap, and a cleaning device having a forced-draught fan before the cleaning device, further comprising an exhaust fan located after the cleaning device, wherein the transport units are located between the forced-draught fan and the exhaust fan, wherein an air stream is produced by the forced-draught fan and the exhaust fan and is directed from the forced-draught fan to the exhaust fan, and wherein the air stream improves a cleaning process in the straw walker through-gap of the straw walker step.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: January 2, 2007
    Assignee: Claas Selbstfahrende GmbH
    Inventors: Bodo Kühn, Franz Heidjann
  • Patent number: 7153204
    Abstract: A method for changing throughgoing openings on separation area of a concave in an agricultural harvester in which the concave is composed of at least one frame, a plurality of beater strips and wires together forming the concave separating area, arranging at least one adjusting device under the concave separating area, and adjusting a width of the throughgoing openings by the at least one adjusting device; and a device for performing the method is provided.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: December 26, 2006
    Assignee: Claas Selbstfahrende Erntemaschinen GmbH
    Inventors: Dirk Esken, Berthold Schwersmann
  • Patent number: 7150139
    Abstract: A lawnmower having a hydrogen generator for supplying hydrogen to drive an hydrogen operated engine. A regulator supplies hydrogen to drive an engine for operating a cutter assembly of the lawnmower.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: December 19, 2006
    Assignee: Lund and Company Invention, L.L.C.
    Inventors: Bruce D. Lund, Michael D. Starrick
  • Patent number: 7146787
    Abstract: Disclosed is a self propelled walk behind mower comprised of a tractor unit and a mowing deck. The tractor unit is hydrostatically driven with a unique control system whereby the forward speed of the tractor is set by operating an electric rocker switch with an operator's thumb. Hand levers are used to turn the tractor to the left and the right. The tractor unit comprises two drive wheels and a third wheel that is pivotally attached, letting the tractor unit stand upright when no implements are attached. Implements attach to the front of the tractor through a movable attachment so that the tractor and implement can closely follow the contour of the ground while keeping the operator controls in a convenient position.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: December 12, 2006
    Assignee: Walker Manufacturing Company
    Inventor: Dean M. Walker
  • Patent number: 7146788
    Abstract: A forage harvester chopper arrangement is located within a housing provided with an access door mounted for pivoting vertically between a chopping position, wherein access to the chopping arrangement is prevented, and a grinding position, permitting access to the chopping arrangement by a grinding arrangement. A locking arrangement is associated with the access door and an actuator is coupled to the access door and the locking arrangement by a linkage containing lost-motion means which operates such that when moving the access door to its grinding position, the locking arrangement is moved to its unlocked position prior to the access door being raised to its grinding position, and such that when returning the access door to its chopping position, the access door is closed before the locking arrangement is moved to its locked position.
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: December 12, 2006
    Assignee: Deere & Company
    Inventors: Helmut Wolf, Marc Kirsch
  • Patent number: 7143532
    Abstract: A marine backhoe dredge having a counterbalancing system that increases the hoisting capacity and hoisting speed of the backhoe. The device includes a backhoe mounted on a vessel and a counterbalancing system that includes an adjustable support structure, one or more cables operatively associated with the support structure and backhoe, and connected to a counterbalance such as a counterweight or a winch.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: December 5, 2006
    Assignee: Great Lakes Dredge & Dock Company
    Inventor: Richard Michael Lowry