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Class 404/84.1 - Of material leveling means


Subclass of Class 404 - Road structure, process, or apparatus
Definition: Automatic control wherein the sensor causes adjustment of
No. of patents: 117
Last issue date: 04/24/2012


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NumberTitleIssue Date
8162564Surface compactor and method of operating a surface compactor
A method of operating a surface compactor is provided. The method may include supporting a base of the surface compactor on a surface. The method may also include generating a fluctuating vertical force on the base with a vibratory mechanism, which may include movin...
04/24/2012
8142103Wireless sensor with kinetic energy power arrangement
A system and method for sensing surface compaction effected by a compactor machine of the type having a vibrating compacting roller, and providing a sensor signal indicating sensed surface compaction to a control mounted on the compactor machine, includes a sensor f...
03/27/2012
8038365Apparatus and method for improving the control 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 ...
10/18/2011
7938595Surface compactor and method of operating a surface compactor
A method of operating a surface compactor is provided. The method may include supporting a base of the surface compactor on a surface. The method may also include generating a fluctuating vertical force on the base with a vibratory mechanism, which may include movin...
05/10/2011
7677834Apparatus and method for improving control 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 ...
03/16/2010
7591608Checking density while compacting
A compaction system, including a first and second array of compaction elements supported by an underside of a motorized vehicle adapted to traverse a degraded surface. A sensor assembly is supported by the motorized vehicle, disposed intermediate the first and secon...
09/22/2009
7575395System for measuring material properties from a moving construction vehicle
A system is for sensing a property of a material mat from a construction vehicle. The system includes a sensor for sensing the material property and a positioning mechanism connected with the vehicle and with the sensor. The mechanism displaces the sensor between fi...
08/18/2009
7491011Apparatus for screeding uncured concrete
A wheeled screeding apparatus includes a vibrating member adjustably mounted at an end of a frame portion of a wheeled support, with the vibrating member at least partially supporting the end of the frame portion. The vibrating member is generally vertically adjusta...
02/17/2009
7422391Road milling machine with optimized operation
A road milling machine having a milling roller with a plurality of chisels. A signal receiving unit is assigned to a machine component which is directly or indirectly involved in the milling process or to another machine component. The signal receiving unit detects ...
09/09/2008
7399139Apparatus and method for three-dimensional contouring
A device and method for contouring three-dimensionally curved surfaces includes an elongated contouring assembly that is supported at two locations by height adjustment mechanisms that raise and lower the two locations of the contouring assembly independently of eac...
07/15/2008
7396186Apparatus for improving the control of a concrete screed head assembly
A screeding device for screeding a concrete surface includes a support member, a screed head assembly mounted to the support member, and a control. The screed head assembly includes a grade setting device and a vibrating member, and is selectively movable in a scree...
07/08/2008
7357596Concrete screed with movable leading edge
A floating screed device has an elongated float and an elongated blade movably coupled to the elongated float so that the blade is movable in pitch. ...
04/15/2008
7357595Pavement removal machine
Portland Cement Concrete with steel reinforcement mats or rods used in airport runways, highways, and other objects need to have the cement broken up for recycling or disposal and the steel mat reused or the steel recycled. The pavement removal machine lifts the con...
04/15/2008
7354221Self-propelled plate compactor having linear excitation
The present disclosure is directed to a vibratory plate compactor, having at least one contact plate configured to be vibrated. The compactor may also include one or more excitation devices configured to vibrate the at least one contact plate. The compactor may furt...
04/08/2008
7320558Apparatus for screeding uncured concrete surfaces
A screeding apparatus and method for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partiall...
01/22/2008
7316520Low surface area shearing device
An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the blade in response to elevational changes in the surface...
01/08/2008
7311466Apparatus and method for subgrade preparation
A subgrade preparation apparatus for preparing a subgrade surface for concrete to be placed thereon includes a base unit positionable on a support surface adjacent to a targeted subgrade area, an extendable boom extending from the base unit, and a subgrade head asse...
12/25/2007
RE39834Apparatus and method for three-dimensional contouring
A contouring device and method for contouring three-dimensionally curved surfaces includes an elongated contouring assembly that is supported at opposite ends by a pair of fluid cylinders. The fluid cylinders are controlled to raise and lower the ends of the contour...
09/11/2007
7232277Remotely-controlled concrete tool assembly
A concrete tool assembly (10) used on a concrete surface (16) includes a surfacing apparatus (12) including a frame (18) and one or more trowel assemblies (34A, 34B). Each trowel assembly (34A, 34B) includes on...
06/19/2007
7226239System for measuring material properties from a moving construction vehicle
A system is for sensing a property of a material mat from a construction vehicle. The system includes a sensor for sensing the material property and a positioning mechanism connected with the vehicle and with the sensor. The mechanism displaces the sensor between fi...
06/05/2007
7204657Lightweight self-leveling automatic screed apparatus
A lightweight one man screed apparatus to automatically strike off and level uncured concrete flatwork, includes a tri-pod framework beneath which a cutting/leveling member operates. The apparatus is controlled by two grade setting devices, adjustably mounted to the...
04/17/2007
7198429Segmented concrete screed
A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screeding operations may selectively bypass obstructions in the...
04/03/2007
7195423Powered strike-off plow
A wheeled strike-off apparatus is movable over a surface of uncured concrete or subgrade materials and is operable to establish a desired grade of the uncured concrete surface or subgrade surface. The apparatus includes a wheeled support and a plow assembly. The whe...
03/27/2007
7192034Load based suspension motion limiting
An articulated loader has an articulated chassis and two A-frames. The points of the A-frames face each other. The articulated chassis includes a front portion and a rear portion. Likewise, there is a front or first A-frame and a rear or second A-frame. The A-frames...
03/20/2007
7182549Method and device for leveling of a surface
The invention relates to a method for smoothing or leveling a ground surface, wherein a smoothing or leveling material is laid on a ground surface in that a box-like device filled with material is moved forwards, the material being allowed to exit a plate-adjustable...
02/27/2007
7178606Work implement side shift control and method
A system for automatically moving a work implement of a work machine includes a position monitoring system configured to track a position of the work implement relative to a mapped landscape and programmable to incorporate an electronic representation of at least on...
02/20/2007
7175363Apparatus and method for improving the control of a concrete screed head assembly
A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre...
02/13/2007
7172363Paving machine output monitoring system
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...
02/06/2007
7171866Controllable vibration generator
A vibration generator comprises two unbalance shafts, which are positively coupled in a contra-rotative manner and whose relative phrase position can be shifted by a phase shifting device. Each of the unbalance shafts supports a main unbalance mass and a partial unb...
02/06/2007
7165469Shift rod piston seal arrangement for a vibratory plate compactor
An easily accessible phase adjustment mechanism for a vibratory plate compactor includes an improved seal arrangement to protect against leakage of internal lubricating oil into the hydraulic cylinder providing fluid pressure to the adjustment mechanism. An easily d...
01/23/2007
7144191Apparatus and method for three-dimensional contouring
A contouring machine control system, contouring/smoothing method, and kit for enabling a contouring machine to automatically contour three-dimensional surfaces includes a contouring member, such as a screed or dirt grading blade, a target either attached to the cont...
12/05/2006
7121762Apparatus for screeding uncured concrete surfaces
A screeding apparatus for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partially supports ...
10/17/2006
7117758Vibration generator for a soil compacting device
The invention relates to vibration generator for a soil compacting device referred to as a towed vibrating device. The vibration generator has two parallels arranged unbalanced shafts that each support a fixed and a freely rotating unbalanced mass. An unbalance adju...
10/10/2006
7108450Portable drag box with automated shearing device
A drag box for use in applying cold mix asphalt paving material to a surface includes a pugmill for distributing the cold mix over the surface, a strike blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the strike blad...
09/19/2006
7089823Vibratory mechanism controller
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 co...
08/15/2006
7086806Method for asphalt compaction and compaction apparatus
A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,...
08/08/2006
7044681Apparatus and method for improving the control of a concrete screed head assembly
A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre...
05/16/2006
7044680Method and apparatus for calculating and using the profile of a surface
Knowledge of the profile of a road surface—most importantly its defects—is a must to construct an acceptable road surface in this day of high speed traffic. Measurement and calculation of the surface during the process of forming the road—when the road materia...
05/16/2006
7033106Method and apparatus for sealing cracks in roads
A roadway crack sealing apparatus (300, 314) which includes a crack sealing assembly having an emulsion container supported on a frame, wheels supporting the frame, a handle extending from the frame, a lever operable to control selectively open and close an e...
04/25/2006
7029199Automatic ground marking method and apparatus
An automatic ground marking apparatus including a carriage (1) responsive to carriage control signals for traversing the ground (5), the carriage having a controllable steering and drive system, a controllable marking system and a position determining ...
04/18/2006
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