Patents Assigned to Bomag GmbH
  • Work train comprising a silo trailer drawn by a ground milling machine, and towing device for said work train
    Patent number: 9127416
    Abstract: The present invention relates to a work train for milling an underlying ground surface and intermixing bulk material with the milled ground material, comprising a self-propelled ground milling machine, more particularly, a recycler or a stabilizer, comprising a milling drum mounted in a hood and a drive motor, a silo trailer drawn by the ground milling machine and comprising a storage container for bulk material, a conveying system, which transports bulk material during operation of the work train from the silo trailer to in front of the milling drum, as regarded in the direction of travel (a) of the ground milling machine, and an output means, which discharges the bulk material onto the ground in front of the milling drum, as regarded in the direction of travel (a). The present invention further relates to a towing device for such a work train.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: September 8, 2015
    Assignee: BOMAG GmbH
    Inventor: Stefan Klöckner
  • Self-propelled construction machine
    Patent number: 9121143
    Abstract: The invention relates to a self-propelled construction machine, for example, a road finisher, comprising a vehicle chassis and having a tandem axle unit and a single wheel on each side of the vehicle, wherein each tandem axle unit comprises a twin axle carrier and also a regulating device, by means of which the twin axle carrier can be pivoted relatively to the vehicle chassis. Each tandem axle unit is mounted on a lever arm, which is mounted for rotation about a pivot axle on the vehicle chassis, and which is engaged by the regulating device.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: September 1, 2015
    Assignee: BOMAG GmbH
    Inventors: Irina Hagen, Hermann Christ, Moritz Nick
  • Rotor housing for a milling device for soil processing, milling device, and method for cleaning a rotor housing
    Patent number: 9091029
    Abstract: The present invention relates to a rotor housing for a milling device for soil processing, in particular, for a road milling machine, a recycler, or a stabilizer, having a cleaning apparatus, with an interior open toward the ground for receiving a milling rotor, comprising two side walls, one front wall, and one rear wall, the side walls, the front wall, and the rear wall delimiting the interior to the outside, comprising an internally arranged cleaning strip. Furthermore, the present invention relates to a milling device with a rotor housing having such a cleaning apparatus and a method for cleaning a rotor housing.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: July 28, 2015
    Assignee: BOMAG GmbH
    Inventor: Helmut Roetsch
  • Connection bracket and tamping device having such a connection bracket and method for the production thereof
    Patent number: 9045876
    Abstract: The present invention relates to a connection bracket for a tamping device, comprising a frame, a guide element mount, and a drive element mount, the connection bracket having a guide unit implemented integrally therewith for combustion air, in particular an air filter attachment such as an air filter socket. In addition, the present invention relates to a tamping device which has such a connection bracket and a method for producing such a connection bracket or for assembling such a tamping device.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: June 2, 2015
    Assignee: BOMAG GmbH
    Inventors: Niels Laugwitz, Werner Nick, Heinz Nick, Martin Dettmer
  • Construction machine or agricultural machine having a rotating work device and method for driving the rotating work device
    Patent number: 9033423
    Abstract: A self-propelled or stationary construction machine or agricultural machine is provided having a rotatable work device, in particular, a work device for processing soil surfaces or for chopping material. The machine has a drive device for the work device, the drive device having a first drive source and a switchable coupling unit between the first drive source and the work device for engaging the work device with the first drive source. The drive device is equipped with an additional drive unit, the machine being configured for controlling the drive device to accelerate the work device by means of the additional drive unit to an operating speed which would result during operation of the work device by means of the first drive source. In addition, an associated method for driving a work device of a construction or agricultural machine is disclosed.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: May 19, 2015
    Assignee: BOMAG GmbH
    Inventors: Thomas Darscheid, Marco Reuter
  • Stripping device for a soil compaction roller and soil compaction roller, in particular trench roller
    Patent number: 9033613
    Abstract: The present invention relates to a stripping device for a drum of a soil compaction roller, in particular, a stripping device for a drum of a trench roller, wherein the stripping device comprises a first scraping element disposed on a drum surface. The drum surface is provided with protrusions disposed on the periphery of the drum surface, wherein a drum extender is adapted to be attached to the drum. Provision is also made for the stripping device to have a second scraping element which is mounted on the first scraping element in an axially displaceable manner, wherein the second scraping element is adapted for attachment to the first scraping element by means of at least one fixing means.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: May 19, 2015
    Assignee: BOMAG GmbH
    Inventor: Alexander Dykhnich
  • Apparatus for the articulated connection of two vehicle frames of a construction machine
    Patent number: 9016710
    Abstract: An apparatus is provided for the articulated connection of two vehicle frames, a front and a rear frame, of a construction machine, especially a vibration roller. The apparatus comprises a pivot joint with a vertical pivot axis and a crab-steering joint with a vertical rotational axis, a connection support which connects the pivot joint and the crab-steering joint with one another, and a connecting rod which is linked on one side to the vehicle frame and on the other side to the connection support. The apparatus further comprises a steering drive for relative pivoting of the front and rear frame about the pivot axis, and a crab-steering drive for setting a lateral offset between the front and the rear frame.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: April 28, 2015
    Assignee: BOMAG GmbH
    Inventor: Jens Wagner
  • Quick-change tool holder system for a cutting tool
    Patent number: 9004610
    Abstract: The present invention relates to a quick-change tool holder system, comprising a base part with a quick-change tool holder receptacle and a quick-change tool holder having a cutting tool receptacle configured for insertion into the quick-change tool holder receptacle.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 14, 2015
    Assignee: BOMAG GmbH
    Inventors: Peter Erdmann, Steffen Wachsmann, Niels Laugwitz, Karl-Hermann Moetz
  • Compacting machine
    Patent number: 8961066
    Abstract: The present invention relates to a compacting machine comprising a shaft, an unbalanced mass and a drum, wherein the shaft is connected both to the unbalanced mass and to the drum and is adapted to transfer imbalance forces from the unbalanced mass to the drum, and further wherein the shaft is mounted in a plain bearing.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: February 24, 2015
    Assignee: BOMAG GmbH
    Inventors: Thomas Darscheid, Robert Laux
  • Method for operating a ground milling machine with height-adjustable milling roller
    Patent number: 8960806
    Abstract: The present invention relates to a method for operating a ground milling machine which comprises at least one height-adjustable milling roller, wherein the milling roller performs a tumbling movement (T?) which is controlled by way of open-loop and/or closed-loop control during lowering in operation. The present invention further relates to a control device for the closed-loop and/or open-loop control of this method, and also to a ground milling machine with such a control device.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: February 24, 2015
    Assignee: BOMAG GmbH
    Inventor: Steffen Wachsmann
  • Composite Tool For A Milling Drum, Milling Tool Holder And Milling Drum
    Publication number: 20140346841
    Abstract: The present invention relates to a composite tool comprising at least two milling tool holders, to a milling tool holder for such a composite tool and to a milling drum equipped with such milling tool holders. According to the present invention, a milling tool holder is utilized for supporting a tool replacement device during tool replacement of the milling tool in the milling tool holder that precedes it in the peripheral direction. To this end, according to the present invention, a supporting area is provided on the base element of the milling tool holder, which supporting area provides appropriate stabilized guidance for the tool replacement device.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 27, 2014
    Applicant: BOMAG GmbH
    Inventor: Steffen Wachsmann
  • Self-Propelled Ground Milling Machine For Processing Ground Surfaces Having A Milling Device
    Publication number: 20140348585
    Abstract: The present invention relates to a self-propelled ground milling machine for treatment of ground surfaces by means of a milling device, a transportation means and a drive device for driving the transportation means and the milling device. The milling device is mounted on a ground milling machine frame and can be switched between a working position, in which the milling device is in operative contact with the ground surface and a maneuvering position, in which the milling device is not in operative contact with the ground surface. The drive device comprises a drive control unit, which controls the driving power of the drive device. The ground milling machine further comprises a ground milling machine control unit.
    Type: Application
    Filed: May 23, 2014
    Publication date: November 27, 2014
    Applicant: BOMAG GmbH
    Inventors: Andreas Nacke, Andre Hoffmann, Timo Loew, Marco Reuter
  • Road roller
    Patent number: 8888405
    Abstract: A road roller is described comprising a front carriage and a rear carriage, which are interconnected by an articulated swivel joint, wherein the front carriage and the rear carriage each comprise a front carriage frame and a rear carriage frame. The front carriage frame and/or the rear carriage frame consist of beams including a main beam, which extends horizontally along the longitudinal median plane of the road roller and at one end of which the articulated swivel joint is disposed, and comprises two side beams diverging from the free end of the main beam to form a “V”. Disposed thereon are the supports for supporting the drums, wherein the side beams are upwardly oriented.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: November 18, 2014
    Assignee: BOMAG GmbH
    Inventors: Tobias Kreutz, Jens Wagner
  • Spraying device for a construction machine and a method for operating a spraying device
    Patent number: 8888404
    Abstract: A spraying device for introducing a fluid into the working chamber of a construction machine for processing ground or road surfaces comprises at least one outlet nozzle by which the fluid is introduced into the working chamber, a line system by which the fluid is conveyed to the at least one outlet nozzle, and a control unit by which the fluid supply to the outlet nozzle is controllable. The present invention further relates to a construction machine for processing ground or road surfaces, especially a milling machine for milling off road or ground surfaces, a stabilizer for stabilizing ground of low bearing capacity and a recycler for repairing pavements in need of repair, comprising such a spraying device, and a method for operating a working device of such a construction machine.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: November 18, 2014
    Assignee: BOMAG GmbH
    Inventors: Juergen Heusinger, Andreas Nacke, Thorsten Joerig
  • Infinitely variable vibration exciter
    Patent number: 8881612
    Abstract: A vibration exciter is provided. The vibration exciter includes a shaft and at least two unbalanced weights arranged on the shaft, in which the radial distance of the common center of gravity of the unbalanced weights from the rotational axis of the shaft is adjustable in an infinitely variable way by means of a gear. The vibration exciter comprises a gear which is a spatial coupling gear, e.g. a spatial vibration slider gear. A simple and compact configuration of the vibration exciter is thus proposed, in which the required adjusting forces for changing the imbalance are very low.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: November 11, 2014
    Assignee: Bomag GmbH
    Inventor: Jens Wagner
  • Ejector plate
    Patent number: D717845
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 18, 2014
    Assignee: BOMAG GmbH
    Inventor: Steffen Wachsmann
  • Ejector plate
    Patent number: D717846
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 18, 2014
    Assignee: BOMAG GmbH
    Inventor: Steffen Wachsmann
  • Joystick
    Patent number: D720350
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: December 30, 2014
    Assignee: BOMAG GmbH
    Inventors: Thomas Haubrich, Thomas Klein, Hagen Stein
  • Tandem roller
    Patent number: D720779
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: January 6, 2015
    Assignee: BOMAG GmbH
    Inventors: Roland Loew, Theo Doetsch
  • Refuse compactor
    Patent number: D728629
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 5, 2015
    Assignee: BOMAG GmbH
    Inventor: Roland Loew