Patents Assigned to Bomag GmbH
  • Patent number: 9212554
    Abstract: The present invention relates to an interchangeable holder system comprising a basic module and an interchangeable holder for the accommodation of a cutting tool, which interchangeable holder is capable of being attached to the basic module, for the purpose of preparing ground surfaces, and to a construction machine, more particularly a stabilizer, a recycler, or a cold milling machine, comprising a milling device comprising such an interchangeable holder system.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: December 15, 2015
    Assignee: BOMAG GmbH
    Inventors: Helmut Roetsch, Steffen Wachsmann, Peter Erdmann, Manfred Hammes, Niels Laugwitz
  • Patent number: 9212457
    Abstract: There are described a height adjusting device for an extendable screed plate for a road finisher and a road finisher comprising such a device. A ground element of the extendable screed plate is disposed with two pairs of worm gears on a top part of the extendable screed plate for vertical displacement thereon, wherein the worm gears of each pair are interconnected by a power transmission for concomitant actuation. Each pair is provided with a releasable clutch, preferably a conical clutch, by means of which the connection between an adjusting member of a pair and the associated transmission gear can be broken.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: December 15, 2015
    Assignee: BOMAG GmbH
    Inventors: Jens Wagner, Filippo Casadio
  • Patent number: 9192962
    Abstract: The present invention relates to a vibration exciter for generating a directed excitation vibration, especially for installation in a vibration tamper, and a machine with such a vibration exciter, comprising at least two parallel extending unbalance shafts which are rotatable against one another, on which at least one respective fixed unbalance mass and at least one respective movable unbalance mass are arranged, with the positions of the movable unbalance masses on the unbalance shafts being variable by way of an adjusting device for adjusting the amplitude of the exciter vibration, and with the adjusting device comprising a central adjusting element for amplitude adjustment which acts on the movable unbalance masses of the two unbalance shafts, which central adjusting element is arranged coaxially to a rotational axis (AS) about which the vibration exciter is rotatable for the purpose of vector adjustment of the excitation vibration.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: November 24, 2015
    Assignee: BOMAG GmbH
    Inventors: Christian Schmidt, Jens Wagner
  • Patent number: 9162563
    Abstract: The present invention relates to the exhaust gas guiding of a road milling machine. The road milling machine comprises an internal combustion engine, an engine air inlet, via which the engine air flows from the outside to the internal combustion engine, an engine air outlet, via which the engine air is conducted out of the road milling machine, a device for generating a flow movement of the engine air from the engine air inlet to the engine air outlet, and an exhaust system which is implemented for discharging the exhaust gases occurring during operation of the internal combustion engine from the internal combustion engine out of the road milling machine, having an exhaust gas outlet. The engine air is used to cool the exhaust gas.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: October 20, 2015
    Assignee: BOMAG GmbH
    Inventors: Bernd Lubischer, Markus Lang, Moritz Starkmeth
  • Patent number: 9133586
    Abstract: The present invention relates to a construction machine, in particular a ground milling machine, comprising transportation means connected to the machine frame via lifting columns. The lift adjustment of the lifting columns occurs as a function of the determined pressure values respectively applied to at least one actuator of a pair of front and/or rear transportation means. The present invention further relates to a method of compensating for ground unevenness for such a construction machine.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: September 15, 2015
    Assignee: BOMAG GmbH
    Inventors: Marco Reuter, Andre Hoffmann, Andreas Nacke, Bernd Lubischer
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: D728629
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 5, 2015
    Assignee: BOMAG GmbH
    Inventor: Roland Loew
  • Patent number: D744543
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 1, 2015
    Assignee: BOMAG GmbH
    Inventors: Roland Loew, Christian Berg
  • Patent number: D744545
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 1, 2015
    Assignee: BOMAG GmbH
    Inventors: Fabian Losen, Markus Schaefer, Steffen Wachsmann
  • Patent number: D745063
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 8, 2015
    Assignee: BOMAG GmbH
    Inventors: Roland Loew, Christian Berg
  • Patent number: D745065
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 8, 2015
    Assignee: BOMAG GmbH
    Inventors: Fabian Losen, Markus Schaefer, Steffen Wachsmann
  • Patent number: D745574
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 15, 2015
    Assignee: BOMAG GmbH
    Inventors: Fabian Losen, Markus Schaefer, Steffen Wachsmann
  • Patent number: D745575
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: December 15, 2015
    Assignee: BOMAG GmbH
    Inventors: Fabian Losen, Markus Schaefer, Steffen Wachsmann