| Patent application number | Description | Published |
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| 20100076697 | Method for determining the wear state - This invention relates to a method for determining a wear state of a chisel, a chisel holder, and/or a chisel holder replacement system equipped with a chisel and chisel holder. For this method to give the user qualitative and quantitative information about the wear, according to one embodiment of this invention, a position of at least one point of the chisel and/or the chisel holder is determined by a contactless measurement method and a corresponding measurement result is compared in a switching unit to a reference value stored in a memory device. | 03-25-2010 |
| 20100202832 | Civil Engineering Machine For Spreading Material For Spreading On Soils Or Base Materials - The invention relates to a civil engineering machine for spreading material for spreading on soils or base materials, and in particular to a civil engineering machine for spreading binders for soil or base material stabilization, which has a container ( | 08-12-2010 |
| 20100209189 | Stabilizer Or Recycler - The invention relates to a stabilizer or recycler which has a rotor housing | 08-19-2010 |
| 20100237681 | Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine - In a mining machine ( | 09-23-2010 |
| 20100237691 | Road Construction Machine, Crawler Track Unit Of A Road Construction Machine, As Well As Method For Tensioning A Chain Of A Crawler Track Unit - In a road construction machine, in particular a road milling machine ( | 09-23-2010 |
| 20110064519 | Slipform Paver - A self propelled slipform paver apparatus includes a chassis, a plurality of ground engaging supports, and a plurality of lifting columns extending between the chassis and the ground engaging supports. A chassis mounting unit is connected to the chassis. A mould for flowable material is also included. A mould mounting unit is connected to the mould. One of the chassis mounting unit and the mould mounting unit includes at least one front claw-like fastening member and at least one rear claw-like fastening member. The claw-like fastening members are open in the same direction either in the direction of operation or opposite to the direction of operation. The other of the chassis mounting unit and the mould mounting unit includes at least one front mating member and at least one rear mating member. The mating members are shaped and arranged to be received in the claw-like fastening members. | 03-17-2011 |
| 20110123268 | Self-Propelled Road-Milling Machine - The invention relates to a self-propelled road-milling machine for doing work on surfacings on the ground, and in particular carriageways. The road-milling machine according to the invention is characterised by a signalling arrangement which has at least one control unit for the entry of at least two different states of operation by the driver of the road-milling machine and at least one visual indicator or display unit to indicate or display for the driver of the transporting vehicle the at least two states of operation which are preset with the control unit by the driver of the road-milling machine. The first state of operation may be a request for the transporting vehicle to be braked or stopped and the second state of operation may be a request for the transporting vehicle to be started or to continue travelling. In a preferred embodiment of the visual indicator or display unit, the request for braking or stopping is shown as a cross and the request for starting or continued travel as an arrow. | 05-26-2011 |
| 20110148177 | Automotive Road Milling Machine - In an automotive road milling machine ( | 06-23-2011 |
| 20110150572 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit | 06-23-2011 |
| 20110193397 | Adaptive Advance Drive Control For Milling Machine - An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the motive power applied to an advance drive of the machine. Early and rapid detection of such changes in reaction forces allow the control system to aid in preventing lurch forward events of the construction machine. | 08-11-2011 |
| 20110299926 | Road Construction Machine, As Well As Method For Controlling The Distance Of A Road Construction Machine Moved On A Ground Surface - In a road construction machine ( | 12-08-2011 |
| 20120200138 | ADAPTIVE ADVANCE DRIVE CONTROL FOR MILLING MACHINE - An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the rate of lowering the milling drum into the ground surface. Early and rapid detection of such changes in reaction forces allow the control system to aid in preventing lurch forward events of the construction machine. | 08-09-2012 |
| 20120284989 | Positioning Arrangement For Fitting An Interchangeable Milling Assembly Of A Road-Building Machine - The invention relates to a positioning arrangement for fitting an interchangeable milling assembly of a preset working width below the vertically adjustable chassis of a road milling machine, which chassis is carried on track-laying units. A vehicle carried on a plurality of wheels has a unit for receiving the milling assembly. The positioning arrangement has a handling chassis which can be lengthened in the longitudinal direction and to which the wheels are fixed. In a lowered position, the positioning arrangement, with the milling assembly resting on it, can be driven below the chassis of the road milling machine. In a raised position, the milling assembly can be fitted to the road milling machine. | 11-15-2012 |
| 20130002002 | Adaptive Advance Drive Control For Milling Machine - A control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the rate of feeding the milling drum into the ground surface. | 01-03-2013 |
| 20130103273 | Self-Propelling Construction Machine - The invention relates to a self-propelling construction machine which has a chassis | 04-25-2013 |
| 20130187437 | Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine - In a mining machine for the processing of a ground surface, including a machine frame, a cutting drum mounted in the machine frame, a first conveyor which accepts mining material from the cutting drum, and a second conveyor which accepts the mining material from the first conveyor, a grease tensioner is connected to an upper roller of the second conveyor. A grease feeding connection is accessible by a person standing on the ground and is communicated with the grease tensioner. | 07-25-2013 |
| 20130189031 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Civil Engineering Machine - A civil engineering machine and a method of controlling the machine are based on the position of at least one reference point which is relevant to the control of the civil engineering machine being changed, as the civil engineering machine moves, as a function of a relative position of the at least one reference point relative to a desired path of travel. | 07-25-2013 |
| 20130190991 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit which is configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system (X, Y, Z) independent of the position and orientation of the civil engineering machine. The reference system (X, Y, Z) independent of the machine-related reference system (x, y, z) may be selected as desired, and there is thus no need for the positions of various reference points to be plotted on the ground. | 07-25-2013 |
| 20130197820 | Method For Determining The Wear State - This invention relates to a method for determining a wear state of a chisel, a chisel holder, and/or a chisel holder replacement system equipped with a chisel and chisel holder. For this method to give the user qualitative and quantitative information about the wear, according to one embodiment of this invention, a position of at least one point of the chisel and/or the chisel holder is determined by a contactless measurement method and a corresponding measurement result is compared in a switching unit to a reference value stored in a memory device. | 08-01-2013 |
| 20130241264 | CHISEL HOLDER, AND CHISEL HOLDER SYSTEM COMPRISING A CHISEL HOLDER AND A BASE PART - A chisel holder comprises a body zone ( | 09-19-2013 |
| 20130241265 | CHISEL HOLDER, AND CHISEL HOLDER SYSTEM COMPRISING A CHISEL HOLDER AND A BASE PART - A chisel holder comprises a body zone ( | 09-19-2013 |
| 20130241266 | Chisel Holder - The invention relates to a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the support member comprising two first and/or two second stripping surfaces that are at an angle to one another, and the support member having a working side that comprises a bit receptacle. In order to achieve a stable and long-lived configuration for such a bit holder, provision is made according to the present invention that the first and/or second stripping surfaces diverge from the insertion projection side toward the working side. | 09-19-2013 |
| 20130270891 | Chisel Holder - The subject matter of the invention is a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the insertion projection comprising at least one convex abutment surface and one pressure surface. In a bit holder of this kind, working forces can be dissipated in stress-optimized fashion into an attached base part when provision is made that the insertion projection comprises two convex abutment surfaces that are arranged at a distance from one another. | 10-17-2013 |
| 20130277076 | Runner Segment For An Edge Guard Of A Road Milling Machine, And Edge Guard For A Road Milling Machine - The invention relates to an edge guard for a road milling machine and to a runner segment for such an edge guard. According to the present invention, the runner segment comprises an insertion projection that can be inserted into an insertion receptacle of the edge guard. | 10-24-2013 |
| 20130292991 | Ejector Unit For A Road Milling Machine Or The Like - The invention relates to an ejector unit, in particular for a road milling machine, having an ejector that is replaceably mounted on a carrier. In one aspect the ejector is curved in a scoop-like fashion. In another aspect the ejector is reversible upon the carrier to allow the ejector to be reversed after one wear surface is worn, thus presenting a new second wear surface. | 11-07-2013 |
| 20130309009 | Ground Working Machine, As Well As Method For Milling Soils Or Traffic Areas - In a ground working machine ( | 11-21-2013 |
| 20130341996 | Self-Propelled Construction Machine - A self-propelling construction machine has a machine frame, an operating drum and a drum housing enclosing the operating drum. The drum housing is closed off by a front and/or rear sealing element and/or lateral sealing element. The construction machine has a mechanism for raising and lowering the at least one sealing element. A measuring unit is configured so that the measuring unit measures the forces acting on the sealing element when the sealing element encounters an obstacle. A control unit generates a control signal for raising the sealing element when the force measured by the measuring unit is larger than a predetermined limit value, so that the sealing element is raised. | 12-26-2013 |
| 20130341997 | Road Milling Machine - The invention relates to a road milling machine, with a milling drum housing partially surrounding a milling drum, wherein the opening between the milling drum housing and the surface of the material to be milled can be closed off by a hold-down device. The distance between the axis of rotation and the hold-down device increases in the specified direction of rotation of the milling drum at least over a section of the gap between the milling drum and the hold-down device. The particular configuration of the hold-down device leads to an improvement in transport of the milled material to the transport arrangement. The gap width increasing in the direction of rotation of the milling drum improves material flow with a relatively small power requirement and relatively low wear of the milling drum. | 12-26-2013 |
| 20140035343 | Self-Propelled Construction Machine - A self-propelled construction machine has a machine frame and an operating drum for processing the ground surface, wherein the operating drum is positioned in a downwards open drum housing, that is closed on both sides by an edge protector, which is adjustable in height by an actuator for raising and/or lowering the edge protector. A control unit comprises a sensor for registering the distance a between a reference point on the edge protector and the ground surface. Furthermore, the control unit is configured so that when the distance between reference point and ground surface falls below a predetermined minimum distance, the actuator is switched from a floating setting, so that the edge protector is raised. As a result, the edge protector tightly closes the drum housing at the sides without there being a risk that the edge protector can be entrenched in loose substrate. | 02-06-2014 |
| 20140049093 | Self-Propelled Building Machine And Method For Operating A Building Machine - A self-propelled building machine, especially a road cutting machine or a surface miner, has a machine frame and a chassis, comprising running gears resting on the ground. In addition, the present invention relates to a method for operating such a building machine. In an operating mode for adjusting the working depth of the working device the imposed weight applied by the building machine on the running gear is measured, whereby depending on the imposed weight either a controlled or an uncontrolled lowering of the building machine is indicated. A measuring device comprises a sensor for measuring the weight imposed by the building machine on at least one of the running gears. Depending on the measured imposed weight, a signal is generated indicating an uncontrolled lowering of the building machine, if the imposed weight falls short of a predetermined value and/or a signal indicating a controlled lowering of the building machine is generated if the imposed weight reaches or exceeds a predetermined threshold value. | 02-20-2014 |
| 20140054949 | Automotive Milling Machine, As Well As Method For Steering An Automotive Milling Machine - In an automotive milling machine, with a machine frame with longitudinal axis, with a chassis with wheels or tracked travelling drive units which support the machine frame, with a controller for the travelling, steering and milling operation, with a height-adjustable working drum, with a slewable last or single transport conveyor of specified length arranged in front of or behind the working drum as seen in the direction of travel of the milling machine, where the transport conveyor is, as a minimum, slewable sideways about an essentially vertical first axis under a slewing angle, it is provided for the following features to be achieved: the controller comprises a detection and control system which, as a minimum, detects the steering angle of the steering controller for the chassis or, as a minimum, the steering angle of the steering controller and the distance travelled or the travel speed, and controls the slewing angle of the transport conveyor in accordance with this no less than one parameter. | 02-27-2014 |
| 20140054950 | Road Milling Machine For The Treatment Of Road Pavements, As Well As Method For Pivoting A Travelling Drive Unit Of A Road Milling Machine - A road milling machine includes a rear wheel or track mounted on a pivot arm such that the wheel or track is movable between a first outer end position projecting laterally relative to the machine frame, and a second inner end position which permits milling close to an edge. A travel drive of the rear wheel or track provides a driving force to move the wheel or track between the end positions. | 02-27-2014 |
| 20140081532 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit which is configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system (X, Y, Z) independent of the position and orientation of the civil engineering machine. The reference system (X, Y, Z) independent of the machine-related reference system (x, y, z) may be selected as desired, and there is thus no need for the positions of various reference points to be plotted on the ground. | 03-20-2014 |
| 20140097665 | DETERMINING MILLED VOLUME OR MILLED AREA OF A MILLED SURFACE - A system is provided for determining a volume of material milled, or a surface area milled, by a construction machine having a milling drum. The volume of material milled is determined as a function of a cross-sectional area of material to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling. The cross-sectional area is determined in part by direct machine observation of one or more profile characteristics of a ground surface in front of the milling drum. The surface area milled is determined as a function of the width of the area to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling. | 04-10-2014 |
| 20140107883 | Self-Propelled Civil Engineering Machine System With Field Rover - A civil engineering machine has a machine control unit configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system independent of the position and orientation of the civil engineering machine. A geometrical shape to be produced on the ground is preset in either a machine control unit or a field rover control unit. The field rover is used to determine a position of at least one identifiable point of the preset geometrical shape in the independent reference system. Curve data defining a desired curve in the independent reference system, corresponding to the preset shape, is determined at least partially on the basis of the position of the at least one identifiable point of the preset geometrical shape in the independent reference system. | 04-17-2014 |
| 20140110990 | Self-Propelled Building Machine - A road cutting machine has a machine frame and at least one left-hand running gear and at least one right-hand running gear. A device is provided for raising or lowering the running gears resting on the ground, in relation to the machine frame, and also a control unit is provided for activating the device for raising and lowering the running gears, so that the height of the running gears can be adjusted to the machine frame. The control unit comprises sensors for detecting changes in the height of the ground to be covered by the running gears in relation to the machine frame, whereby the control unit contains a control mode for initiating actions in the control system for adjusting the height of the running gears. The control unit is configured in such a way in the control mode that if a change is detected in the height of the ground, the respective running gear or the respective running gears are raised or lowered so as to compensate any lateral tilting due to a change in the height of the ground. | 04-24-2014 |
| 20140117741 | Chisel Holder For A Soil Treatment Machine - The invention relates to a bit holder for an earth working machine, in particular a road milling machine, that comprises a bit receptacle in the region of a working side of a support member and that indirectly or directly carries an insertion projection on an insertion projection side of the support member, the support member comprising two stripping surfaces [first or second stripping surfaces] that form a stripping surface pair and are at an angle to one another. In order to achieve a stable and long-lived configuration with such a bit holder, provision is made according to the present invention that the support member comprises at least one further stripping surface that is at an angle to the two stripping surfaces of the stripping surface pair. | 05-01-2014 |
| 20140147206 | Method For The Treatment Of Layers, As Well As Construction Machine, In Particular Soil Stabilizer Or Recycler - In a method and a device for the treatment of a layer by introducing a binder and/or water and/or additives into a milled-up quantity of milled material of the layer to be stabilized by means of a construction machine or attachment machine with a milling/mixing rotor that is used to mill the layer at a specified milling depth, where the milling/mixing rotor is surrounded by a rotor housing which forms the boundary of the mixing chamber of the milling/mixing rotor, it is provided that during the positioning process, at least the binder quantity currently fed until reaching the specified milling depth is determined in accordance with the milled-up quantity of milled material currently present in the mixing chamber. | 05-29-2014 |
| 20140199120 | Road Construction Machine, As well As Method For Controlling The Distance Of A Road Construction Machine Moved On A Ground Surface - A road construction machine comprising height adjustment devices which adjust the position of the plane of the machine frame in accordance with control signals, where the leveling device measures the distance of the ground surface to the machine frame and controls the height adjustment devices so the machine frame is movable at an adjusted orthogonal distance to the surface; a transmitter is arranged at the machine frame in a rigid fashion, and a receiver is movable, parallel to and synchronously with the machine frame, or vice versa, where the transmitter emits a measuring beam representative of a reference plane, the measuring beam being detectable by the receiver and representing either a plane extending parallel to the machine frame or a plane extending parallel to the ground surface, where the current distance of the machine frame to the current reference location is measurable from the detected position of the reference plane. | 07-17-2014 |
| 20140244208 | Method And Device For Determining An Area Cut With A Cutting Roll By At Least One Construction Machine Or Mining Machine - In a method for determining an area milled by at least one construction machine or at least one mining machine by means of a milling drum ( | 08-28-2014 |
| 20140265529 | Bit Holder And Base Part For Receiving A Bit Holder - The invention relates to a bit holder having an insertion projection and having a holding projection having a bit receptacle, the insertion projection comprising a bearing segment and the holding projection comprising a supporting segment. In order to allow the bit holder to be braced in permanent and stable fashion with respect to a base part, provision is made according to the present invention that the supporting segment and/or the bearing segment comprise two supporting surfaces and bearing surfaces, respectively, arranged at an angle to one another; and that the longitudinal center axis of the bit receptacle and the longitudinal axis of the insertion projection enclose an obtuse angle. | 09-18-2014 |
| 20140324364 | Method For Determining The Wear State - This invention relates to a method for determining a wear state of a chisel, a chisel holder, and/or a chisel holder replacement system equipped with a chisel and chisel holder. For this method to give the user qualitative and quantitative information about the wear, according to one embodiment of this invention, a position of at least one point of the chisel and/or the chisel holder is determined by a contactless measurement method and a corresponding measurement result is compared in a switching unit to a reference value stored in a memory device. | 10-30-2014 |
| 20140333115 | Road Milling Machine For Working Road Or Ground Surfaces, As Well As Method For Steering A Road Milling Machine - A road milling machine with a machine frame supported by a chassis with one front axle and one rear axle with wheels or crawler tracks, with a milling drum mounted at the machine frame to rotate between the rear wheels, where said milling drum ends nearly flush with a zero-clearance side, it is provided that the wheels or crawler tracks of the front axle as seen in the direction of travel are arranged offset from one another in such a fashion that one of the front wheels or tracks is arranged in front of the other front wheel or crawler track as seen in the direction of travel. | 11-13-2014 |
| 20140333117 | Road Milling Machine, In Particular Small Milling Machine, For Working Road Surfaces - In a road milling machine, in particular small milling machine, for working road surfaces, with a machine frame, with a milling drum supported at the machine frame in a drum casing, with a milling drum drive comprising a drum gearbox mounted at the drum casing, where the drum gearbox comprises a gearbox housing with a connecting flange for mounting at the drum casing, as well as a reduction gearbox and an output shaft for driving the milling drum, it is provided for the following features to be achieved: that the gearbox housing comprises, on the underside between the reduction gearbox and the connecting flange, a cut-out dividing the gearbox housing and extending radially inwards in such a fashion that the reduction gearbox is arranged in a first housing part arranged outside of the drum casing, and the output shaft is arranged in a second housing part protruding into the drum casing. | 11-13-2014 |
| 20140333118 | Road Milling Machine, As Well As Method For Mounting A Cantilevered Milling Drum - In a road milling machine, in particular small milling machine, for working road surfaces, with a machine frame, with a milling drum supported in the machine frame and capable of being driven by a milling drum drive, where stud bolts for mounting the milling drum project from the milling drum drive, said stud bolts, in mounted condition, engaging with cut-outs arranged accordingly in a connecting flange of the milling drum, it is provided for the following features to be achieved: that the milling drum drive comprises, as a minimum, one mounting stud which engages with a corresponding opening adapted to said mounting stud in the connecting flange of the milling drum, wherein the mounting stud projects axially vis-à-vis the stud bolts to such an extent that the milling drum rests on the mounting stud prior to engaging with the stud bolts. | 11-13-2014 |
| 20140333119 | Road Milling Machine For Working Road Or Ground Surfaces - A road milling machine includes a machine frame, front wheels or tracks, rear wheels or tracks, and a milling drum supported from the machine frame between the rear wheels or tracks. The front wheels or tracks are mounted on pivoting columns. Steering levers are attached to the pivoting columns. A steering tie rod includes a connecting part and a projecting arm. The connecting part is connected to the steering levers. A steering cylinder is connected to a free end of the projecting arm. | 11-13-2014 |
| 20140348584 | Milling Machine With Location Indicator System - A construction machine apparatus includes a plurality of ground engaging supports, a machine frame supported from the ground engaging supports and a milling drum supported from the machine frame. A milling drum location detection system is configured to determine a drum location in an external reference system. A location indicator system includes a memory configured to store information identifying a location of one or more areas to be avoided in the external reference system, and a controller configured to compare the drum location to the location of the one or more areas to be avoided, and to provide an output corresponding to a proximity of the milling drum to the location of the one or more areas to be avoided. | 11-27-2014 |
| 20150028653 | Self-Propelled Cold Milling Machine, As Well As Method For Milling Off And Transporting Away A Milled-Off Stream Of Material - In a self-propelled cold milling machine, in particular cold milling machine, for working ground surfaces, with a milling drum supported at a machine frame, no less than one conveying device arranged at the machine frame which accepts the milled-off material from the milling drum and discharges said milled-off material, in conveying direction, at a discharge end along a parabolic trajectory onto a point of discharge, it is provided for the following features to be achieved: that the conveying device comprises a shielding device at the discharge end, where said shielding device shields the material milled off and leaving the conveying device without influencing the parabolic trajectory on a part of the path to the point of discharge at least by means of lateral sections. | 01-29-2015 |
| 20150028654 | Chisel Holder - The invention relates to a bit holder for an earth working machine, in particular a surface miner, a road milling machine, or the like, having a holding projection that comprises a bit receptacle and/or carries a cutting element. In order to improve the operating reliability of an earth working machine, provision is made according to the present invention that the holding projection has, behind the cutting element or behind a receiving region of the bit receptacle in the tool advance direction, a wear protection element having a hard-material element in order to provide an emergency-mode property. | 01-29-2015 |
| 20150043971 | Self-Propelled Construction Machine For Working Roadways Or Surfaces And Method For Cooling The Milling Tools Of A Milling Drum Of A Self-Propelled Construction Machine - A self-propelled construction machine for working roadways or surfaces includes a machine frame supported by ground engaging units, and a milling drum which can rotate about an axis of rotation extending transverse to the advance direction of the construction machine. The construction machine includes a cooling device for spraying the milling tools of the milling drum with a coolant from a coolant reservoir. The cooling device is designed such that at least one coolant jet extending parallel to the axis of rotation of the milling drum is produced. A single coolant jet which extends transverse to the working direction of the milling drum is sufficient for cooling the milling tools. When the milling drum is rotating, the milling tools of the milling drum pass through the coolant jet successively. Owing to the relatively close arrangement of the milling tools in the circumferential direction of the milling drum, the time intervals in which a milling tool is not passing through a coolant jet are relatively short, and as a result the coolant consumption can be reduced. | 02-12-2015 |
| 20150054331 | Self-Propelled Construction Machine And Method For Operating A Self-Propelled Construction Machine - A self-propelled construction road milling machine, includes a machine frame and a milling drum housing, in which a milling drum is arranged. The machine includes a drive unit with which the height of the scraper blade of a scraper device can be adjusted in relation to the milling drum. A control unit for the drive unit adjusts the height of the scraper blade and a measurement device measures the distance between the lower edge of the scraper blade and the milled material. The control unit is designed in such a way that the scraper blade is height-adjustable depending on the height of the milled material remaining in the milled track. The control unit ensures that, on the one hand, the milled material can come out of the milling drum housing unimpeded behind the milling drum in the direction of work and, on the other hand, that the milling drum housing is shut above the material that is coming out. On the one hand, an unimpeded operation of the milling machine is thus ensured and, on the other hand, a clean result of the work is achieved. | 02-26-2015 |
| 20150056014 | Slipform Paver, As Well As Method For Adjusting The Width Of A Mold Device - In a slipform paver with a tractor including a machine frame with longitudinal members and telescopable cross members, the machine frame comprises a central frame module in which the cross members are supported in a telescopable fashion. A mold adjustable to the working width comprises at least one permanent central mold element fixed relative to the central frame module and at least one permanent outer mold element movable relative to the central frame module. The permanent outer mold element is permanently attached to one of the cross members and/or one of the longitudinal members and the outer mold element is movable together with the cross member and/or the longitudinal member during the adjustment of the working width of the machine frame. | 02-26-2015 |
| 20150056015 | Slipform Paver, As Well As Method For Adjusting The Width Of A Mold Device - In a slipform paver with a tractor including a machine frame with longitudinal members and telescopable cross members, the machine frame comprises a central frame module in which the cross members are supported in a telescopable fashion. A mold adjustable to the working width comprises at least one permanent central mold element fixed relative to the central frame module and at least one permanent outer mold element movable relative to the central frame module. The permanent outer mold element is permanently attached to one of the cross members and/or one of the longitudinal members and the outer mold element is movable together with the cross member and/or the longitudinal member during the adjustment of the working width of the machine frame. | 02-26-2015 |
| 20150076892 | Self-Propelled Road Milling Machine For Processing Road Surfaces, And Method For Processing Road Surfaces - In a self-propelled road milling machine for processing road surfaces, with a machine frame supported by a height-adjustable chassis, with a milling drum mounted to rotate in a milling drum housing, with a milling drum drive for the milling drum, and with a height-adjustable scraper blade in the milling track of the milling drum, said scraper blade closing the milling drum housing towards the rear, it is provided for the following features to be achieved: that the scraper blade, laterally in the milling track of the milling drum, lies resiliently against the milling edge of the milling track, said milling edge extending orthogonal to the road surface. | 03-19-2015 |
