Patents Assigned to Hamm AG
  • Patent number: 9645071
    Abstract: A method to determine a slip state of the compactor roller of a soil compactor caused by an oscillation motion of a compactor roller, comprising the steps: a) Preparation of an acceleration quantity related to the oscillation motion of the compactor roller b) Based on the acceleration quantity, preparation of an acceleration frequency spectrum, c) Based on the acceleration frequency spectrum, determining the slip state of the compactor roller.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: May 9, 2017
    Assignee: HAMM AG
    Inventors: Johannes Pistrol, Fritz Kopf, Werner Völkel, Sebastian Villwock
  • Patent number: 9592758
    Abstract: In a seat (1) for a driver of a construction machine, in particular for a road roller, featuring a seat surface (2), a seat backrest (4) which feature a vertical central plane (26) in longitudinal direction, and featuring no less than one armrest (10) attached in an adjustable basic position by means of an armrest support (8), where the armrest (10) extends from the seat backrest (4) next to the seat surface (2) towards the front, it is provided for the following features to be achieved: a seat console (6) carries, as a minimum, the seat surface (2) and the seat backrest (4), and the armrest support (8) features no less than one each first adjustable connection unit (12) to the armrest (10) and one each second adjustable connection unit (14) to the seat console (6).
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: March 14, 2017
    Assignee: Hamm AG
    Inventors: Gerhard Mahler, Axel Roemer, Dieter Stoecklein
  • Patent number: 9550437
    Abstract: In a seat (1) for a driver of a construction machine, in particular for a road roller, featuring a movable seating carriage (8) with seat adjustment in no less than one shifting direction via a drive motor (12) which is coupled to the seating carriage (8) via a transmission element (14), and featuring a control device (16) for the seat adjustment, it is provided for the following features to be achieved: for mechanical adjustment of the seating carriage (8), the drive motor (12) and/or the seating carriage (8) is decouplable from the transmission element (14).
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: January 24, 2017
    Assignee: Hamm AG
    Inventors: Gerhard Mahler, Axel Roemer
  • Patent number: 9512575
    Abstract: A soil compactor—comprising at least one compactor roller rotatable about a roller rotational axis and a liquid storage/dispensing system for storing and dispensing liquid to at least one compactor roller, wherein the liquid storage/dispensing system comprises at least one main liquid storage and one main liquid pipe associated with this—is characterized in that at least two main liquid storages are provided, wherein main liquid pipes of at least two main liquid storages are in connection with a common filling connection for filling the main liquid storage associated with these, and/or at least one, preferably all main liquid storages can be filled and emptied via main liquid pipes associated with these.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: December 6, 2016
    Assignee: Hamm AG
    Inventors: Detlef Bornemann, Andreas Weiβ
  • Patent number: 9499947
    Abstract: A drive system, in particular for a self-propelled construction machine, especially a soil compactor, comprising a drive unit, at least one hydraulic circuit with a hydraulic pump drivable by the drive unit, as well as a hydraulic drive support unit with a hydraulic pump/motor assembly and at least one compressed fluid reservoir, wherein the hydraulic pump/motor assembly is, or can be, drivingly coupled to the drive unit and/or to at least one hydraulic circuit, wherein the hydraulic pump/motor assembly can be operated in a charging operating mode as a pump by means of the drive unit and/or by means of at least one hydraulic circuit for charging at least one compressed fluid reservoir, and which is drivable in a drive support state as a motor to provide a drive support torque for the hydraulic pump of at least one hydraulic circuit, is characterized in that a maximum drive torque provided by the drive unit is smaller than a maximum request torque to be applied for operating at least one hydraulic circuit.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: November 22, 2016
    Assignee: HAMM AG
    Inventors: Andreas Röhr, Thomas Henker, Ronny Pieske
  • Patent number: 9476761
    Abstract: A system for making available information which represents a vibration state for the operation of vibration-emitting machines, in particular construction machines, comprising at least one measuring station (12, 12?, 12?) having at least one sensor (20) for detecting at least one variable which relates to the vibration state and having a radio-transmitting unit (24) for outputting a radio output signal which relates to the variable, or at least one reception station (16, 16?, 16?) for picking up the radio output signal of the at least one measuring station (12, 12?, 12?), is characterized in that the at least one measuring station (12, 12?, 12?) comprises an evaluation unit (22) which picks up a sensor signal from the at least one sensor (20) and has the purpose of making available an evaluation signal, representing the vibration state, on the basis of the sensor signal, wherein the radio-transmitting unit (24) generates the radio output signal on the basis of the evaluation signal.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 25, 2016
    Assignee: HAMM AG
    Inventor: Thomas Olschewski
  • Patent number: 9422675
    Abstract: A compactor, comprising at least one compactor roller that can be rotated around a roller axis of rotation, at least one edge shaping device and a fluid reservoir/delivery system for storing and delivering fluid to at least one compactor roller and at least one edge shaping device, characterized in that the fluid reservoir/delivery system comprises at least one first fluid pump for pumping fluid to at least one first fluid delivery unit assigned to a compactor roller and at least one second fluid pump for pumping fluid to at least one second fluid delivery unit assigned to an edge shaping unit.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: August 23, 2016
    Assignee: Hamm AG
    Inventors: Detlef Bornemann, Andreas Weiβ
  • Patent number: 9382673
    Abstract: A quick-change tool holder for the attachment of a drum tool to a compaction drum of a soil compactor includes a quick-change tool holder body having a central region, a holder opening for receiving a holder shaft of a drum tool in the central region, and two leg portions originating at the central region for firmly connecting the quick-change tool holder body to the outer periphery of a compaction drum. The central region and the leg portions surrounding an open inner space of the quick-change tool holder extend over at least one side opening. In association with at least one side opening, a closing element can be inserted therein.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: July 5, 2016
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 9376775
    Abstract: A change holder assembly for a compactor roller for a soil compactor comprising a change holder to be fixed to a roller casing and at least one roller tool to be fixed to the change holder using a counterholder which can be caused to engage the change holder and is lockable with respect to the change holder, wherein the change holder has a roller-tool-abutment side and the at least one roller tool has a change holder-abutment side supportable on the roller-tool-abutment side, characterized in that on at least one side of roller-tool-abutment side and change holder-abutment side at least one anti-rotation lug, and on the other side of roller-tool-abutment side and change holder-abutment side at last one anti-rotation recess for receiving an anti-rotation lug are provided.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 28, 2016
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 9340932
    Abstract: A soil compactor, comprising a compaction roller (16) supported on a compaction frame (14) and rotatable around a rotational axis (D), wherein the compaction frame (14) comprises longitudinal frame areas on both sides of the compaction roller (16) in direction of the rotational axis (D) and a first cross frame area (34) connecting the longitudinal frame areas (30, 32) to each other and extending essentially in the direction of the rotational axis (D) is characterized in that at least one storage space (38) is provided in the first cross frame area (34), which is closed by means of a locking element (50) movable between a closed position and an open position.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: May 17, 2016
    Assignee: HAMM AG
    Inventor: Matthias Meier
  • Patent number: 9284696
    Abstract: A compactor roller for a soil compactor comprises an oscillation mass assembly (34) including at least one oscillation shaft (36) rotatable about an oscillation-shaft axis of rotation eccentric to a compactor-roller axis of rotation, which oscillation mass assembly (34) includes at least one oscillation unbalance mass (66, 68), and a vibration mass assembly (84) including a vibration shaft (86) rotatable about a vibration shaft axis of rotation (Dv), which vibration mass assembly (84) includes at least one vibration unbalance mass (96), wherein at least one oscillation shaft (36, 38) and the vibration shaft (86) are carried in the compactor roller (10) such that they can be driven to rotate.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: March 15, 2016
    Assignee: HAMM AG
    Inventors: Richard Fischer, Günter Kolberg, Günter Rath, Josef Dagner
  • Patent number: 9266424
    Abstract: A drive assembly, in particular for a construction machine, comprising a drive unit having a plurality of first fastening regions for the attachment to a machine frame and at least one functional unit that interacts with the drive unit, and a functional unit carrier assigned to said drive unit, is characterized in that the functional unit carrier can be swiveled around at least one swivel axis with respect to the drive unit in a swivel connection region.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: February 23, 2016
    Assignee: HAMM AG
    Inventors: Markus Golbs, Michael Zimmerer
  • Patent number: D756422
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: May 17, 2016
    Assignee: Hamm AG
    Inventors: Axel Römer, Gernot Reif, Ulrich Ewringmann, Boris Eickhoff
  • Patent number: D759731
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: June 21, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Gerhard Mahler, Ulrich Ewringmann, Boris Eickhoff
  • Patent number: D760812
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: July 5, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Detlef Bornemann, Ulrich Ewringmann, Boris Eickhoff
  • Patent number: D760813
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: July 5, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Gerhard Mahler, Ulrich Ewringmann, Markus Beese, Julius Renz
  • Patent number: D765735
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: September 6, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Detlef Bornemann, Ulrich Ewringmann, Boris Eickhoff
  • Patent number: D765736
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: September 6, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Gerhard Mahler, Ulrich Ewringmann, Boris Eickhoff, Julius Renz
  • Patent number: D772781
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 29, 2016
    Assignee: Hamm AG
    Inventors: Axel Römer, Gernot Reif, Ulrich Ewringmann, Markus Beese
  • Patent number: D775238
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: December 27, 2016
    Assignee: HAMM AG
    Inventors: Axel Roemer, Detlef Bornemann, Ulrich Ewringmann, Boris Eickhoff