| Patent Number |
Title Of Patent |
Date Issued |
| RE38632 |
Propulsion control apparatus and method for a paver |
October 19, 2004 |
| An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desired travel speed and direction, and |
| D602506 |
Compactor |
October 20, 2009 |
|
| D602048 |
Extension plate |
October 13, 2009 |
|
| D599825 |
Portion of a paving machine |
September 8, 2009 |
|
| D538828 |
Pad foot for a roller |
March 20, 2007 |
|
| D500329 |
Compacting machine |
December 28, 2004 |
|
| 7572080 |
Heating control system for a screed |
August 11, 2009 |
| A control system for heating a screed assembly of a paving machine is provided. The control system includes a plurality of resistive heating elements positioned adjacent to a screed plate of the screed assembly. An electrical power supply is selectively connected with the resistive h |
| 7540685 |
Movable operator station for a machine |
June 2, 2009 |
| A machine having a body defining a body width and a ground engaging apparatus greater than one half of the body width and defining first and second working lines of the machine oriented perpendicular to and bounding the working width. An operator station is mounted on the body and mo |
| 7523995 |
Milling machine |
April 28, 2009 |
| Work machines such as road mills having a frame supported by tracked or wheeled ground engaging support units may require the ability to move one or more of the ground engaging units between projecting and retracted positions relative to the frame without reversing the running direction |
| 7520570 |
Tool extraction system for rotary cutter device |
April 21, 2009 |
| In one exemplary aspect, an extraction tool adapted for extraction of a cutting tool holder mounted to a rotary member of a rotary cutting device is disclosed. The extraction tool comprises a tool frame. A first extraction wedge and a second extraction wedge are connected with the to |
| 7497641 |
Paving machine having adjustable ballast system and method |
March 3, 2009 |
| A paving machine includes a frame having a hopper, a screed and a conveyor to transfer paving material between the hopper and the screed. A ballast system of the paving machine includes an actuator configured to adjust a movable ballast such as a liquid ballast to switch the paving machi |
| 7469536 |
Series-parallel hydrostatic transmission |
December 30, 2008 |
| According to the present invention, an improved hydraulic transmission system is provided which includes a fluid supply adapted to supply hydraulic working fluid and having a hydraulic adjustment device for adjusting the flow rate of the hydraulic working fluid. A hydraulic control h |
| 7427174 |
Electrically heated paving screed |
September 23, 2008 |
| This invention relates to screeds used for compacting paving material. The invention provides a screed for a paving machine comprising a sole plate; a tamper adjacent the sole plate; a heating element mounted on the sole plate; and a heat conductor mounted on the sole plate and arranged |
| 7413376 |
Asphalt-removing machine having a funnel-shaped ramp |
August 19, 2008 |
| A work machine for removing asphalt from a roadway is disclosed. The work machine includes a removal device configured to remove asphalt from a roadway surface, and a grinding device configured to fracture the removed asphalt. The work machine also includes a funnel-shaped ramp configure |
| 7217062 |
Control for screed heaters |
May 15, 2007 |
| A screed for a paving machine has at least a base portion having an associated heating element connected to a heating element controller. An extension screed portion is connector to the base screed portion and has a respective heating element connectable to the heating element contro |
| 7192095 |
Support base for toolholder of a milling drum |
March 20, 2007 |
| A support base (1) which is to be mounted to the surface (2) of a milling drum (3) defining a direction of rotation (31) includes a recess (4) adapted to receive removably a shank portion (14; 21) of a body (5; 7) to be fixedly mounted to said support base (1). The recess (4) has a first |
| 7186056 |
Split drum and support arrangement for a compacting work machine |
March 6, 2007 |
| A split drum is provided for a compacting work machine and includes a first and a second drum section. A support arrangement defines a housing that surrounds a vibratory mechanism and is adapted to support the first and second drum sections. The support arrangement comprises a first |
| 7172363 |
Paving machine output monitoring system |
February 6, 2007 |
| A paving machine may include a power source, a traction system, a hopper configured to contain paving material, and one or more conveyors configured to transfer the paving material from the hopper. The paving machine may also include a screed configured to lay a mat of the paving mat |
| 7168885 |
Control system and method for a vibratory mechanism |
January 30, 2007 |
| A method is provided for controlling a vibratory mechanism. The method includes sensing a vibratory amplitude of the vibratory mechanism and determining a decoupling point of the vibratory mechanism. An output signal is generated based on the determination of the decoupling point for |
| 7089823 |
Vibratory mechanism controller |
August 15, 2006 |
| A controller for use in a vibratory mechanism includes an amplitude control circuit that generates an amplitude control signal that varies from a minimum value to a maximum value. The vibratory mechanism is adapted to vibrate at an amplitude based on an amplitude control signal chara |
| 6981820 |
Screed heating arrangement |
January 3, 2006 |
| A screed heating arrangement is provided for a screed assembly that is towed behind a paving machine. The screed heating arrangement includes at least one electric heater bonded to an upper surface of a screed plate. |
| 6929421 |
Vibratory mechanism and method for lubricating the same |
August 16, 2005 |
| A vibratory mechanism is provided for a compacting work machine. The vibratory mechanism includes at least one eccentric weight rotatably positioned within a housing. Pressurized fluid is introduced into the vibratory mechanism at an inlet passage. A means for moving fluid through th |
| 6837650 |
Split drum for a compacting work machine |
January 4, 2005 |
| A split drum is provided for a compacting work machine and includes a first and a second drum section. A differential arrangement is operatively positioned between the first and second drum sections. Rotational power is supplied to the first and second drum sections through the different |
| 6769838 |
Variable vibratory mechanism |
August 3, 2004 |
| A vibratory mechanism includes first and second eccentric weights connected to a gearbox. The gearbox includes an inner shaft, an outer shaft and first and second planetary gear sets. The first and second planetary gear sets are connected to a motor that drives the first and second eccen |
| 6637280 |
Variable vibratory mechanism |
October 28, 2003 |
| A vibratory mechanism is provided with first and second motors connected to first and second eccentric weights. One of the first and second motors is operable to change a phase difference between the first and second eccentric weights to change a vibration amplitude. |
| 6561729 |
Compacting drum for a work machine |
May 13, 2003 |
| A compacting drum for a work machine has first and second drum sections. The first and second coaxial drum sections rotate independently from one another. The first and second drum sections are coupled together by a controllable coupling arrangement that can be varied between fully coupl |
| 6558072 |
Speed control system for a work machine |
May 6, 2003 |
| A work machine 10 for increasing the density of a compactable material 12 includes at least one compacting drum 14 driven by a two-speed drive arrangement 40. Compacting drum 14 also includes a vibratory mechanism 26 that is powered by a hydraulic motor 28. A first input device 54 is use |
| 6551020 |
Vibratory mechanism |
April 22, 2003 |
| A vibratory mechanism 26 is provided for a compacting work machine 10. The vibratory mechanism 26 includes a first/outer eccentric weight 50 and a second/inner eccentric weight 80. The second weight 80 has a cavity 88 with a movable mass 90 that when rotated in a first direction 124 oppo |
| 6386653 |
Apparatus and method for measuring and realigning track misalignment |
May 14, 2002 |
| Track laying work machines (10) are provided with a pair of track roller assemblies (20) positioned on opposite sides of the work machine (10). Each track roller assembly (20) includes a track (12) entrained around a drive wheel (14), an idler wheel (16), and a plurality of supporting |
| 6241420 |
Control system for a vibratory compactor |
June 5, 2001 |
| A fluid control system (50) is provided for a work machine (10) having first and second compacting drums (14,16). First and second hydraulic motors (28,32) are connected in series and power first and second vibratory mechanisms (26,30) located within the first and second compacting d |
| 6213560 |
Variable width milling drum |
April 10, 2001 |
| A variable-width milling drum assembly includes a milling drum having an outer surface. The assembly also includes a plurality of cutting segments removably secured to the outer surface of the milling drum along a first substantially helical axis. Each of the plurality of cutting segment |
| 6152648 |
Method and apparatus for controllably avoiding an obstruction to a cold planer |
November 28, 2000 |
| A jump and return to grade function provides a means by activation of a switch to rapidly raise a milling machine to avoid an obstacle, then return the machine to the previous milling position. When the jump function is activated, the legs are extended at full speed, causing the mach |
| 6106082 |
Track tension system |
August 22, 2000 |
| A tension management system is provided for an endless track laying work machine. A fluid cylinder maintaining tension within the endless track. A first accumulator provides recoil for normal operating conditions. If tension on the endless track increases beyond a normal recoil situation |
| 5997109 |
Undercarriage assembly for a belted work machine |
December 7, 1999 |
| The undercarriage assembly includes a roller frame and a pair of wheels held in spaced apart relation by the roller frame. An endless track belt is entrained about the pair of wheels. A bogie arm is pivotally connected to the roller frame at a pivot axis. The bogie arm includes a roller |
| 5931881 |
Steering curve calibration method and apparatus for a rubber tired paver |
August 3, 1999 |
| In one aspect of the present invention, a method for controlling the steering of a directionally steered machine having a hydrostatic system that drives a plurality of driven wheels is provided. The method includes the steps of producing a steering angle signal indicative of the angle of |
| 5924509 |
Traction control apparatus and method for a hydrostatically driven work machine |
July 20, 1999 |
| A traction control apparatus for a work machine having an engine and a hydrostatic drive system that powers a first and second set of ground engaging traction devices is disclosed. The hydrostatic drive system includes a variable displacement pump being rotatably driven by the engine |
| 5913374 |
Undercarriage assembly of a track-type work machine |
June 22, 1999 |
| An undercarriage assembly of a track-type work machine includes a drive wheel, an idler wheel, and a plurality of track supporting rollers. The assembly also includes a track belt which contacts the drive wheel, the idler wheel, and each of the plurality of track supporting rollers. The |
| 5904408 |
Rotary cutter and mounting arrangement for cutting tools |
May 18, 1999 |
| A rotary cutter having a plurality of flights each having a tool holder receiving pocket extending radially inwardly from an outer surface of the flight. Each receiving pocket has a mounting socket at the innermost portion of the pocket which securely positions a tool holder, the tool |
| 5863149 |
Material flow management means for paving machines |
January 26, 1999 |
| Material flow management apparatus for a paving machine having a screed assembly, including at least one pivotally mounted flow control gate operably connected to a selectively controllable actuator for actuating the flow control gate to a flow preventing position and flow permitting |
| 5787374 |
Propulsion control apparatus and method for a paver |
July 28, 1998 |
| An apparatus is disclosed for controlling the propulsion and steering of a machine. The machine includes a hydrostatic system that drives a pair of ground engaging traction devices. An electronic controller receives operator signals indicative of a desired travel speed and direction, and |
| 5757158 |
Adaptive operator control for a compactor |
May 26, 1998 |
| A control device for operating a machine is disclosed. The control device includes a joystick having a central axis and being universally moveable along a first and second axis in a plane perpendicular to the central axis, and a rotatable operator control station that houses the joystick |
| 5575583 |
Apparatus and method for controlling the material feed system of a paver |
November 19, 1996 |
| An apparatus for controlling a material feed system of a paver is disclosed. The material feed system includes a feeder conveyor and a spreader auger. The apparatus includes a sensor that monitors the amount of material at the edge of the screed and responsively produces an actual ma |
| 5568992 |
Screed control system for an asphalt paver and method of use |
October 29, 1996 |
| In one aspect of the present invention, a control system for a floating screed assembly for an asphalt paving machine is disclosed. The screed assembly includes a main screed and extension screed unit. An electrohydraulic device extends and retracts, as well as, raises and lowers the |
| 5494125 |
Track supporting roller apparatus |
February 27, 1996 |
| A track supporting roller apparatus supports the articulated track chain of an undercarriage assembly of a track-type work machine. Vibrations and shock loads are generated to a track-type work machine when load bearing track rollers contact the articulated joints of the track chain and |
| 5484226 |
Controlling apparatus for asphalt pavers |
January 16, 1996 |
| The invention is directed to automated controls of an asphalt paver wherein the speed of the conveyor is automatically controlled at a rate proportional and responsive to the speed of the auger and the conveyer is free from having a material sensor and speed control responsive thereto. |
| 5456331 |
Track supporting roller apparatus |
October 10, 1995 |
| A track supporting roller apparatus supports the articulated track chain of an undercarriage assembly of a track-type work machine. Vibrations and shock loads are generated to a track-type work machine when load bearing track rollers contact the articulated joints of the track chain and |
| 5397199 |
Screed assembly for an asphalt paving machine |
March 14, 1995 |
| A screed assembly has a screed plate that is formed of a material having a thermal conductivity of less than about 25 W/mK, and a thermal barrier material having a thermal conductivity of less than about 0.5 W/mK that substantially covers an upper surface of the screed plate. The low the |
| 5397198 |
Vibratory compactor having vibrationally tuned frame |
March 14, 1995 |
| A vibratory compacting machine has a supplemental member resiliently mounted on the frame of the compacting machine. The supplemental member has a resonant frequency that is substantially equal to the operating frequency of the vibratory compactor and effectively reduces the frame vi |
| 5373902 |
Tiltable hood assembly for an earth working machine |
December 20, 1994 |
| A hood assembly includes a hood member and an adjustable length stabilizing link. The stabilizing link is movable between a first position at which the link maintains a bottom surface of the hood member in a substantially parallel relationship with a ground, or soil, surface and a second |
| 5338102 |
Method of mining |
August 16, 1994 |
| A method of mining includes striking the surface of friable to brittle, essentially homogeneous mineral materials with a plurality of concave-faced cutting tools rotating about a longitudinal axis disposed substantially parallel with the surface of the mineral material. Segments of t |
