Class / Patent application number | Description | Number of patent applications / Date published |
404840050 | Automatic control | 48 |
20080253834 | 3D CONTROL SYSTEM FOR CONSTRUCTION MACHINES - A construction system utilizing 3D control includes a fixed base station of known location; a self-propelled construction machine located in the general vicinity of the fixed base station; and a rotating mobile unit assembly mounted on the self-propelled construction machine and having a location-determination device arranged to rotate around an axis. The location-determination device is adapted to operate in conjunction with the fixed base station to determine geodetic information about the self-propelled construction machine. | 10-16-2008 |
20080286044 | METHOD AND SYSTEM FOR CONTROLLING COMPACTION MACHINES - A method and a system is described for controlling at least one compaction machine in which the oscillations propagating from the compaction machine in the ground are detected by means of a sensor at least at one relevant measuring location. The measured oscillation values as detected by the sensor are sent to a data-processing unit which then compares the same with a permissible oscillation limit value for the respective measuring location. Upon exceeding the limit value, at least one compaction parameter of the compaction machine is changed in such a way that the measured oscillation values as measured at the measuring location are set by a control loop circuit automatically to a value smaller than or equal to the oscillation limit value. | 11-20-2008 |
20090010712 | APPLICATION CONTROLLER - An application controller for an application unit, for marking substances comprises a radiation sensor, by means of which the relative position of the application unit relative to a reference plane may be determined. The relative position of the application unit can be determined by means for recording the orientation of the application unit controller relative to the reference plane from the association of position with orientation information, such that control instructions, in particular for positional correction may be generated by the application unit controller. The position of the application unit can be adjusted by an actuator device according to the control instructions. | 01-08-2009 |
20090016819 | ELECTRONIC BARRIER AND ENFORCEMENT SYSTEM AND METHOD - Disclosed are systems and methods for implementing an electronic tollway barrier system. Exemplary systems and methods use positive vehicle identification at progressive monitoring locations to determine whether a vehicle has illegally entered a controlled lane across the electronic barrier, ensure that toll locations are not circumvented, and automatically issue citations to violators of the electronic barrier. | 01-15-2009 |
20100329783 | ROAD FINISHER WITH AUTOMATIC ENGINE CONTROLLER - The invention relates to a self-propelling machine for processing bituminous or concrete pavement material, in particular a road finisher or a feeder. The machine comprises an internal combustion engine as a primary drive source, a controller for the engine, said controller receiving control signals, at least one additional drive unit for functional and operational components of the machine as well as at least one hydraulic circuit comprising a hydraulic medium reservoir. The invention is characterized in that the controller is configured for automatically causing starting and/or stopping of the engine in response to receipt of at least one specific control signal. | 12-30-2010 |
20110262227 | Front Drive Of A Road Paver And A Method For Controlling The Front Drive - A road paver for laying road construction material comprises a tamping beam, a bunker for receiving road construction material, a wheeled chassis with a rear axle and a steerable front axle, and a hydraulic arrangement for permanent or optionally selectable drive of hydraulic motors which are coupled to the front wheels. A method for tractive power control and for drive slip limitation of the front drive of a road paver is also disclosed. | 10-27-2011 |
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 |
20130017017 | Aggregate-Spreading Device - An aggregate-spreading device is disclosed for widening roads, filling trenches, spreading any kind of road construction material, and creating shoulders on the side of roads at a controllable, quick, and steady pace. The aggregate-spreading device may be controlled by electronic motors and electronic actuators. The aggregate-spreading device is equipped with a skeletal frame, either a first and a second adjustable spreader assembly attached on opposing ends of the skeletal frame, or a single spreader assembly for allowing an operator precise control over placement of an aggregate. The aggregate may be supplied to the first or second adjustable spreader assemblies by adjusting the rotation of a reversible conveyor system. The skeletal frame simplifies manufacturing of the aggregate-spreading device and allows for easy repairs and maintenance. The electronic motors and electronic actuators eliminate the need for hydraulics, allowing an operator to control the device from a remote location with a controller. | 01-17-2013 |
20130089375 | CONSTRUCTION MACHINE WITH AUTOMATIC FAN ROTATIONAL SPEED REGULATION - The present invention relates to a construction machine with automatic fan rotational speed regulation. The construction machine includes at least one electric motor that is connected functionally to a respective fan and a control unit formed for the purpose of registering operation-specific data. The control unit is configured for the purpose of regulating, depending on the operation-specific data, an electric output of the respective electric motor in order to adjust a desired target fan rotational speed on the fan. | 04-11-2013 |
20130121764 | SENSOR SYSTEM FOR CONSTRUCTION EQUIPMENT HAVING WIRELESS SONIC SENSOR SYSTEM - A sensor system for road construction equipment. The system includes a first conveyor for transporting material to a first auger that is positioned to receive the material. A first feeder sensor associated with the first conveyor is in over-the-air communication with a receiver to communicate the height of a material on the conveyor such that a master controller that is electrically connected to the receiver can regulate the amount of flow of material to the first conveyor. | 05-16-2013 |
20130287495 | ROAD FINISHER WITH AUTOMATIC ENGINE CONTROLLER - The invention relates to a self-propelling machine for processing bituminous or concrete pavement material, in particular a road finisher or a feeder. The machine comprises an internal combustion engine as a primary drive source, a controller for the engine, said controller receiving control signals, at least one additional drive unit for functional and operational components of the machine as well as at least one hydraulic circuit comprising a hydraulic medium reservoir. The invention is characterized in that the controller is configured for automatically causing starting and/or stopping of the engine in response to receipt of at least one specific control signal. | 10-31-2013 |
20140086683 | INDEPENDENTLY SUPPORTED CONCRETE SAW APPARATUS AND METHOD - A saw apparatus for sawing paving slabs has a frame mounted on a ground contacting propulsion member such that the frame may move above a slab to be cut without touching the slab. A first saw support assembly disposes a blade of a saw in cutting engagement with the slab for a transverse cut. A second saw support assembly disposes a blade of another saw in cutting engagement with the slab for a longitudinal cut. The saws are mounted on the saw assemblies and the saw assemblies are mounted on the frame and the frame is mounted on the ground contact propulsion members such that no part of said frame need contact the slab during cutting. | 03-27-2014 |
20140086684 | DEVICE FOR DETECTING THE TEMPERATURE OF AN ASPHALT MATERIAL TO BE PROCESSED BY A ROAD FINISHING MACHINE, ULTRASONIC SENSOR AND ROAD FINISHING MACHINE - A device for detecting the temperature of an asphalt material to be processed by a road finishing machine includes at least one temperature measuring head, the at least one temperature measuring head being integrated into an ultrasonic sensor for detecting the filling level of the asphalt material. | 03-27-2014 |
20140161529 | COMPACTING MACHINE - 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. The task of providing a compacting machine in which the provision of the unbalanced mass requires less space is achieved in that the shaft is mounted in a plain bearing. | 06-12-2014 |
20140301783 | MINI PATCHER FOR PATCHING POTHOLES AND THE LIKE AND METHOD FOR PERFORMING SAME - A patcher capable of performing patching operations even when operating in confined spaces and having a pressurized aggregate storage tank and driving devices for opening and air-tightly closing the tank lid and locking/unlocking the tank lid in proper sequence. Tandem linear accelerators control the flow of aggregate from the tank to a dispensing outlet. An articulated boom assembly is operated to position an aggregate dispenser over the repair location. The boom assembly is movable to a vertical position to prevent the assembly from extending beyond the right and left sides of the patcher to provide a safe condition when travelling during a non-patching operating mode. All of the electrically-operated devices on the patcher derive energy from a common battery pack which is charged by the patcher engine during a non-patching mode and alternatively during a patching mode when the stored energy in the battery pack drops below a given threshold. | 10-09-2014 |
20140308074 | ROAD FINISHING MACHINE WITH A THERMOGRAPHIC DEVICE - The present disclosure relates to a road finishing machine with a thermographic device releasably fixed to a portion of the machine for recording a georeferenced thermographic data record of at least one region of a pavement layer. The thermographic device includes a housing in which a detection unit for detecting a thermographic data record and a further detection unit for detecting a space-related data record for the thermographic data record are disposed. | 10-16-2014 |
20140308075 | Automatic Four Leg Leveling for Cold Planers - A method for leveling of a machine on a surface, and a machine for the same, is disclosed. The method may comprise equalizing the legs of the machine prior to extending or retracting the legs of the machine to raise or lower the machine during non-milling operational status. The method may also comprise extending or retracting the legs during milling operational status while maintaining the relative lengths of each leg. | 10-16-2014 |
20140348587 | System and Method for Determining a State of Compaction - A system for determining a state of compaction of a work material includes a compactor and a compaction sensor system. A controller is configured to determine an empirical state of compaction of the work material based upon signals from the compaction sensor system and the characteristics of a machine associated with the compaction sensor system. | 11-27-2014 |
20150016886 | AUTOADAPTIVE ENGINE IDLE SPEED CONTROL - A machine engine idle speed control system may include an automated autoadaptive mode to supplement typical economy and normal power modes. The autoadaptive mode may afford an operator with an automated option to optimize fuel economy and lower engine/machine noise. The autoadaptive mode may initially default to a typical lower engine idle speed of the economy mode. However, as the machine workload rises, demands on the engine may become greater, and at a predetermined threshold of engine workload the engine idle speed may be automatically increased to a higher set point. The engine control may then remain at the higher idle speed until engine load is reduced to some predetermined target, and/or after a certain time period has elapsed. The time period may be controlled by a configurable delay timer to avoid unnecessary/undesirable cycling between modes. In addition, an operator may always intervene to increase or decrease engine idle speed. | 01-15-2015 |
20150117951 | GROUND CHARACTERISTIC MILLING MACHINE CONTROL - A milling machine includes a frame, a rotor coupled to the frame and vertically adjustable, a chamber coupled to the frame and at least partially surrounding the rotor, a speed sensor configured to measure a speed of the machine, a height sensor configured to measure a height of the rotor, a ground characteristic sensor configured to measure a ground characteristic, and a controller. The controller is configured to receive the speed of the machine from the speed sensor, receive the height of the rotor from the height sensor, receive the ground characteristic from the ground characteristic sensor, determine a target speed for the machine, determine a target height for the rotor, adjust the speed of the machine to the target speed, and adjust the height of the rotor to the target height. | 04-30-2015 |
20150132058 | AUTOMATED HOPPER AND APRON CONTROL SYSTEM ON A PAVING MACHINE - A paving machine including a right hopper, a left hopper, an apron and an automated hopper and apron control system is provided. The right hopper, the left hopper and the apron are configured to move in a vertically upward and downward direction. The automated hopper and apron control system is configured to control the movement of one or more of the right hopper, the left hopper, and the apron. The automated hopper and apron control system may include a controller. The controller is configured to operate the automated hopper and apron control system in a manual mode and an auto mode as desired by an operator. In the auto mode, the controller actuates one or more of the right hopper, the left hopper, and the apron from a first position to one of a fully raised position and a fully lowered position. | 05-14-2015 |
20150132059 | METHOD AND APPARATUS FOR CUTTING GROOVES IN A ROAD SURFACE - A system and apparatus for cutting grooves in a surface includes a housing having a rotatable cutting head mounted therein. An actuator drives the cutting head out of and into contact with the surface. Sensors disposed on the housing sense a depth of the groove cut by the cutting head. A controller is arranged to receive a signal from the sensors and compare the depth of the groove with a predetermined reference depth. The controller sends a signal to the actuator and adjusts the position of the cutting head via the actuator to maintain the depth of the groove at about the reference depth. | 05-14-2015 |
20150300275 | METHOD FOR ADJUSTING THE ROTATIONAL SPEED OF AN INTERNAL COMBUSTION ENGINE OF A ROAD-BUILDING MACHINE, AND ROAD-BUILDING MACHINE FOR SAID METHOD - A method for adjusting the rotational speed of an internal combustion engine of a road-building machine which, in addition to a traction drive, has hydraulic motors which are connected to the internal combustion engine and which serve for driving working assemblies, in which method the rotational speed is adjusted as a function of the present power demand of the working assemblies, characterized in that the hydraulic motors are operated using fixed-displacement pumps, and residual volume flows presently to be discharged are reduced by flow valves for hydraulic motors of active working assemblies, for which purpose the rotational speed of the internal combustion engine is automatically adapted during working operation. | 10-22-2015 |
20150354148 | Swing Over Steering - A self-propelled construction machine includes a plurality of swing legs, each swing leg being supported from a ground surface by an associated crawler track steerably connected to an outer end of its associated swing leg. Pivotal movement of a swing leg may be accomplished by steering the associated crawler track through a non-zero steering angle until the lateral movement of the crawler track achieves the desired pivoting movement of the associated swing leg. | 12-10-2015 |
20150354150 | Selective Clamping Of Chassis - Methods of and apparatus for controlling relative telescoping extension or retraction of multiple telescoping assemblies is provided. The telescoping assemblies connect the main frame of a slipform paver to a side member of the slipform paver. Each telescoping assembly has a telescopic lock associated with the telescoping assembly. A common telescoping force is applied across the telescoping assemblies to widen or narrow the frame width of the slipform paver. Extension of the telescoping assemblies is monitored, and activation of the telescopic locks is controlled so as to determine which of the telescoping assemblies is allowed to telescope under application of the common telescoping force. | 12-10-2015 |
20160060822 | ROAD REPAIR VEHICLE - A road repair vehicle has an engine for powering the vehicle, a plurality of wheels, and a shelter structure supported above a road by the wheels, the shelter structure forming an enclosure for providing shelter to one or more road repair workers, the shelter structure having an open bottom to enable the one or more road repair workers to access the road to be repaired. The vehicle may be used to repair potholes. The vehicle includes a sensor for detecting a worker in a work area of the shelter structure and for automatically disabling at least one vehicle system in response to detecting the worker in the work area. | 03-03-2016 |
20160090102 | ROAD PAVER WITH OPERATING MODULE AND PROCESS TO ACTIVATE AN OPERATING FUNCTION - The disclosure relates to a road paver with at least one operating module to enter operating commands. The operating module comprises a plurality of buttons that can each be pressed in a contact-based way to enter the respective operating commands in order to activate relevant operating functions of the road paver. According to the disclosure, the road paver further comprises a sensor unit that is designed to detect a distance of an operator to the operating module, whereby this distance determines a space from the operating module to any body part of the operator. The sensor unit is connected to a control unit of the road paver that is configured to already activate at least one of the operating functions of the road paver by means of the output signal as soon as the operator undercuts a predetermined threshold distance in relation to the operating module. | 03-31-2016 |
20160109858 | Machine Alert When Stopping on Hot Asphalt - An alert system in equipment used in an asphalt paving environment, such as a compactor, signals an operator when the equipment is stopped on hot asphalt, potentially over-compacting the area where the equipment is located. The alert system includes a surface temperature sensor so that the alert is only activated when there is a risk of over-compaction because the asphalt is still above a threshold temperature. The alert system may also include a timer so that the operator is not signaled during routine stopping associated with changing direction during compacting operations. | 04-21-2016 |
20170233957 | METHOD FOR CONTROLLING A ROAD FINISHING MACHINE WITH A WHEEL GEAR AND ROAD FINISHING MACHINE WITH A WHEEL GEAR | 08-17-2017 |
20180023260 | MILLING MACHINE | 01-25-2018 |
404840100 | Of material leveling means | 18 |
20100014916 | PAVING MACHINE CONTROL AND METHOD - A control is provided for a machine that applies a material to a subgrade and pulls a floating screed over the top surface of the material behind the machine. The floating screed is attached to the machine by at least one tow arm at a tow point on the tow arm. The vertical height of the tow point is controlled by a hydraulic cylinder on the machine in response to a valve control signal applied to a hydraulic valve. The screed determines the thickness of the material on the subgrade as it is manipulated by adjusting the height of the tow point such that the top surface of the material follows a reference surface. A first sensor is mounted on the machine, adjacent the front of the machine, for sensing the relative height of the reference surface and providing a first sensor output related thereto. A second sensor for senses the height of the tow point relative to the machine and provides a second sensor output related thereto. This can be accomplished directly, or by sensing the height of the tow point with respect to the reference surface and subtracting the portion of the this sensed height attributable to changes in the reference surface. A control circuit, responsive to the first sensor output and the second sensor output, provides a valve control signal to the hydraulic valve for control of said hydraulic cylinder. | 01-21-2010 |
20100172695 | APPARATUS AND METHOD FOR IMPROVING THE CONROL OF A CONCRETE SCREED HEAD ASSEMBLY - A soft landing control system for a screeding device is operable to automatically lower a vibrating member relative to a grade setting device after the grade setting device is lowered to the desired grade. The control may be operable to delay lowering the vibrating member relative to the grade setting device at least until the control receives an input indicative of at least a portion of the screed head assembly being moved to a position generally over a newly placed concrete area. | 07-08-2010 |
20100196096 | APPARATUS AND METHOD FOR IMPROVING THE CONTROL OF A CONCRETE SCREEDING MACHINE - A screeding machine including at least one of (a) a boom speed cruise control for automatically controlling the travel speed of the screed head assembly, (b) an auto-stabilizer control that automatically adjusts the stabilizer actuators of the screeding machine to a preselected degree of extension, (c) a control for automatically controlling the lowering of the screed head assembly toward and to the concrete surface and automatically activating the auger and vibrator at a beginning of each screeding pass and automatically deactivating the auger and vibrator in response to the screed head assembly being raised away from the concrete surface at the end of a screed pass, and (d) an auto-screed mode that allows the operator to select maximum values for at least one of a boom extension speed, a boom retraction speed, a boom rotation speed and a screed head rotation speed. | 08-05-2010 |
20110255918 | PAVING MACHINE CONTROL AND METHOD - A control and a method of control for a machine that applies a material to a subgrade at a work site and pulls a floating screed, having a screed plate, over the top surface of the material behind the machine is useful in paving with asphalt material. The floating screed is attached to the machine by a tow arm at a tow point on said tow arm. The vertical height of the tow point is controlled by an hydraulic cylinder on said machine in response to a valve control signal applied to an hydraulic valve by a valve control drive. The screed determines the thickness of the material on the subgrade and is manipulated by adjusting the height of the tow point. A first sensor is mounted on the floating screed for sensing three-dimensional position. A second sensor for senses the pitch of said screed. A processor circuit is responsive to the first and second sensors for determining the height of the trailing edge of the screed plate and the movement of the screed over the top surface of the material. An adjusted height error value is combined with a tow point correction value produced by a three dimensional positioning system to provide for adjustment of the tow point by no more than a predetermined amount as the screed plate travels a predetermined minimum distance. | 10-20-2011 |
20120063847 | MOBILE PAVING MACHINE - The invention concerns a mobile paving machine for the installation of ground covering material, with a smoothing board for stripping off the ground covering material, the smoothing board being adjustable in height and the paving machine having a probing unit with a probing foot, which probes the ground level and acts on the position of the smoothing board so that the ground covering material is flush with the ground level, wherein and the probing unit has a probing foot held by a probe support, which is articulated to a support joint, and wherein a sensor or switch unit is provided, held by a switch support, and the switch support is articulated to the probe support and interacts with the sensor or switch unit on the probe support. | 03-15-2012 |
20120321385 | ROAD PAVER WITH LAYER THICKNESS MEASURING DEVICE - A road paver with a layer thickness measuring device which comprises a plurality of sensors in order to measure a distance to the subgrade or to the road pavement. The layer thickness measuring device is mounted rotatably on the road paver or on its screed, whereby the layer thickness measuring device has an equilibrium position at a stipulated angle to the horizontal that it retains or to which it returns even if the inclination of the road paver or of the screed to the horizontal changes. | 12-20-2012 |
20130302089 | VIBRATORY COMPACTING ROLLER MACHINE WITH AN ELECTRIC DRIVE - A vibratory roller machine includes a chassis supported on one or more drum assemblies including an exciter assembly for compacting the ground on which the machine travels. The machine is operated via a number of drive and exciter motors powered by a series hybrid drive system. The series hybrid drive system includes an engine and generator that are configured to provide power to the system under nominal operating conditions. The series hybrid drive system further includes a power storage system, such as battery bank or a capacitor bank that is configured to provide the motors with additional power during peak power demand. The vibratory roller machine may, for example, be a walk-behind trench roller or ride-on roller. | 11-14-2013 |
20140023436 | INTEGRATED PAVING SYSTEM AND METHOD - The present invention relates to a paving machine that includes an auger, a screed, and one or more sensors. The auger is adapted to distribute a paving mix on a paving surface. The screed is adapted to compact the mix on the paving surface to form the pavement. The one or more sensors are adapted to monitor the density of the pavement as it is compacted by the screed and provide output signals corresponding to the density so that the force exerted by the screed on the pavement as it is formed may be adjusted to achieve a desired pavement density. | 01-23-2014 |
20140301782 | ROADWAY PAVING SYSTEM - An embodiment comprises a first plate coupled to a second plate via a first joint having a first axis of rotation; and a resilient member, coupled to the first plate, including a downward bias directed along a vertical line of force orthogonal to the first axis of rotation; wherein (a) the second plate is configured to at least one of (a)(i) couple to a pavement shoe, and (a)(ii) include a lower surface that comprises a pavement shoe, (b) the resilient member, the first and second plates, and the first joint are configured to simultaneously: (b)(i) rotate the second plate about the first axis of rotation from a non-horizontal position to a horizontal position, and (b)(ii) move the first joint vertically along the line of force; and (c) the first joint is to move vertically and rotate independently of both a screed and an end gate. Other embodiments are described herein. | 10-09-2014 |
20150063907 | Advanced Paver/Screed Automation and Controls - A method of operating a machine having at least one tool is provided. The method may store one or more job profiles or machine configurations and an auto-zero or default profile in a memory associated with the machine, where each of the job profiles and the auto-zero profile may include one or more control settings for operating one or more of the machine and the tool; recall a selected one of the job profiles and the auto-zero profile in response to user input received at a user interface associated with the machine; engage or machine reset operation of one or more of the machine and the tool according to the control settings associated with the selected one of the job profiles and the auto-zero profile; and disengage at least part of the operation based on positioning information provided by one or more feedback devices. | 03-05-2015 |
20150139729 | PAVING MACHINE WITH AUTOMATICALLY ADJUSTABLE SCREED ASSEMBLY - A method for preparing a screed assembly for starting a new paving operation is provided. The screed assembly is reset to a pre-stored screed position in response to a user command. A user defined paving depth associated with the new paving operation is received. The screed assembly is positioned to rest on a paving surface and to a float mode in response to a user command. An angle of attack of the screed assembly associated with the new paving operation is set in response to a user command. Further, a height of the screed assembly is adjusted based on the user defined paving depth. A confirmation message indicative of the screed assembly prepared for the new paving operation is provided to a user. | 05-21-2015 |
404840200 | Adjusted to a predetermined path | 1 |
20150139730 | METHOD FOR LAYING DOWN A PAVEMENT, A SCREED AND A ROAD PAVER - In a method for laying down a pavement consisting of paving material with a screed of a road paver, in which a compaction unit, particularly a tamper, pre-compacts the paving material at cyclical work cycles with selectable stroke and selectable frequency while the pavement having a selectable pavement thickness) is in the process of being laid down at a selectable paving speed, at least the stroke is automatically adjustable in response to paving parameters, such as at least the paving speed and/or the pavement thickness, along a characteristic curve or in a characteristic map. In the screed the compaction unit comprises an adjusting mechanism which is operable during the ongoing paving work for adjusting the stroke of the compaction unit. | 05-21-2015 |
404840500 | Adjusted to an acoustical or optical signal | 5 |
20100183369 | AUTOMATICALLY ADJUSTABLE ROLLING SCREED - A material leveling system includes a leveling-implement assembly adapted for leveling material to a final grade level, a frame supporting the leveling-implement assembly, and an implement positioning assembly controlling the position of the leveling-implement assembly relative to the frame. The leveling-implement assembly includes an implement that contacts a construction material during the leveling process. | 07-22-2010 |
20100215433 | OPTICAL GUIDANCE SYSTEM FOR A LAYING ENGINE FOR PRODUCING A CONCRETE OR ASPHALT TOP LAYER - The invention relates to an optical guidance system for a laying engine for producing a concrete or asphalt top layer along a given path ( | 08-26-2010 |
20100239368 | PORTABLE VIBRATORY LASER SCREED WITH REMOTE GRADE INDICATOR AND FOLDING HANDLES - A portable vibratory wet concrete screed includes a blade, an exciter that is selectively driven to induce vibrations in the blade, at least one operator-manipulated handle connected to the blade and extending upwardly and rearwardly, a laser receiver mounted on the screed at a height above an upper end of the handle, and an indicator that is operatively connected to the receiver. The indicator provides a visual indication of the screed height relative to a desired grade. It is located remote from the receiver at a location which, when viewed from the perspective of a person in the vicinity of a screed operator, is at least substantially in a focal area containing the rear edge of the blade. The handle is mounted on the blade so as to be foldable from an upright, operative position in which it extends vertically and horizontally well beyond horizontal and vertical footprints occupied by a combination of the blade and the exciter to a stowed position in which it is positioned at least substantially entirely within the horizontal and vertical footprints. | 09-23-2010 |
20110085859 | GYRO COMPENSATED INCLINOMETER FOR CROSS SLOPE CONTROL OF CONCRETE SCREED - A control system for controlling movement of individual hydraulically moveable ends of a screed head carried by a boom of a machine so as to maintain a selected elevation position between each end of the screed head and a reference in a concrete paving application as the screed head is moved toward the machine, includes elevation receivers mounted on the ends of the screed head, and a first sensor for sensing the orientation of the screed head along its length from the first end to the second end of the screed head. A second sensor senses rotational movement of the machine which will induce an error in the output of the first sensor, and providing an output indicating such rotational movement. A control circuit is responsive to the elevation receivers and to the first and second sensors for controlling the hydraulically moveable ends of the screed head using the signals from the elevation receivers when they are not blocked, and for controlling the hydraulically movable ends of the screed head using the signals from the first and second sensors, and one of the elevation receivers when the other of the elevation receivers is blocked. | 04-14-2011 |
20160177519 | Frame Distortion Control | 06-23-2016 |
404840800 | Specific to a sloped or curved application | 1 |
20080253835 | AUTOMATED STRINGLINE INSTALLATION SYSTEM - An automated stringline installation system includes a vehicle, a 3D control system, at least partly carried by the vehicle, for determining location information, and an adjustable arm assembly, mounted on the vehicle, that identifies the location of a relative point in a stringline installation using the location information determined by the 3D control system. The adjustable arm assembly includes an operational arm having a proximal end and a distal end, a string, dispensed from the operational arm, for use in a stringline installation, and a sensor used to determine information pertaining to the location of the distal end of the operational arm assembly relative to the proximal end of the operational arm. | 10-16-2008 |