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7588389 |
Greensroller with variable vibration amplitude
A vibratory roller unit with a framework having a rotating shaft and a drum. The shaft has a fixed inboard eccentric weight and an outboard eccentric weight rotatable with respect to the fixed...
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7497642 |
Zero end clearance roller for a drum type compactor
A roller type asphalt pad and/or soil compactor adapted to compact asphalt paving and sub-grading closely adjacent to building walls, poles, edgings, curbs, and barriers. The roller comprises at...
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7483791 |
Determination of soil stiffness levels
According to the invention, a single device permits the relative soil rigidity values of a section of soil to be determined in a rapid measuring method and in addition, absolute soil rigidity...
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7416365 |
Safety device for backward movement of vibration roller
The present invention provides a safety device of vibration roller wherein a travel switching device of the roller is switched to a neutral position automatically and the roller stops automatically...
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7410322 |
Vibrating compactor apparatus
A vibrating trench compactor apparatus including a first frame, a second frame, and a compactor wheel. The first frame has an adapter plate connectable to a vehicle and a first arm and second arm...
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7186056 |
Split drum and support arrangement for a compacting work machine
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...
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7089823 |
Vibratory 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...
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7066681 |
Shaft assembly for a vibratory roller
An eccentric shaft assembly for a vibratory roller utilizes a cylindrical tubular shaft that considerably reduces the weight of the assembly, decreases substantially oscillatory shaft deflection...
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7059802 |
Vibratory compactor and compact exciter assembly usable therewith
A lightweight, easy to assemble, and compact exciter assembly for a compaction device such as a drum assembly of a vibratory trench roller or the like includes a fixed weight and one or more free...
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6929421 |
Vibratory mechanism and method for lubricating the same
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...
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6837648 |
Portable roller-type compactor apparatus having a combined means for the vibrating and the reversible propelling thereof
A manually guided roller-type compactor having a roller, a vibrator assembly, compactor frame, a drive assembly and a directional control assembly. The vibrator assembly is selectively positioned...
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6829986 |
Compactor
In a compressor comprising at least one traveling drum ( 4,4 a ,4 b ) rotatable about a drum axis ( 2 ), and an oscillation exciter supported in the drum ( 4,4 a , 4 b ), the angular position of...
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6808336 |
Oscillation detecting device for compacting soil
A device for compacting the soil comprising a soil contact element which is impinged upon by an oscillation exciter enabling the soil to be compacted. The soil contact element is elastically...
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6769838 |
Variable vibratory mechanism
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...
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6752567 |
Apparatus for managing degree of compaction in a vibratory compact vehicle
An apparatus for managing degree of compaction includes: a sensor 13 which senses a traveling speed of the vehicle; a switch 14 by which a number of vibrations of the roll transmitted per unit...
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6750621 |
Method and system for non-contact sensing of motion of a roller drum
The present invention discloses a system for non-contact measurement of vibrational motion in a vibratory compacting machine. The system includes a vibrating element such as a roller drum adapted...
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6742960 |
Vibratory compactor and method of using same
Vehicular and/or walk behind vibratory compactors utilize a vibrated roller or plate to impose compaction forces on a densifiable strata, such as ground soil, a roadway base material or pavement....
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6725736 |
Rotatable eccentric arrangement
The present invention relates to a rotatable eccentric element for continuous adjustment of vibration amplitude, for use in, for example, the roll in vibrating rollers. In particular, the invention...
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6717379 |
Device for generating mechanical vibration
The invention concerns a device where creation of mechanical vibration is made with a system ( 1 ) of two or more rotating eccentrics ( 10 ). Each eccentric ( 10 ) is rotated by an individually...
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6698974 |
System for electrically powering and vibrating a compacting roller
A system for variably powering and vibrating a compaction roller on a compacting machine for use in compacting surfaces. The system includes a chassis and at least one compaction roller rotatably...
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6688809 |
Power transmission arrangement for a computer
The invention discloses a power transmission arrangement for a compactor, in which a roller is installed to both end-pieces of a roller frame. In both end-pieces, there are bearing assemblies...
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6585450 |
Speed controlled eccentric assembly
The eccentric assembly includes a tubular section, an eccentric weight, and a counterweight. The eccentric weight is mounted within the tubular section such that as a motor rotates the eccentric...
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6561729 |
Compacting drum for a work machine
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...
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6558072 |
Speed control system for a work machine
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...
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6554532 |
Device for earth packing having at least one vibrating roller
The invention concerns a device for ground compacting, having at least one vibrating roller whose casing surface is composed of a plurality of segments in the peripheral direction, at least some of...
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6551020 |
Vibratory mechanism
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...
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6551019 |
Device for checking the compaction for vibration compaction devices
A device for checking the compaction, in particular, of black top pavement in street and roadway construction, using a vibration roller drum that is provided with a compaction checking device is...
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6516679 |
Eccentric assembly with eccentric weights that have a speed dependent phased relationship
The eccentric assembly includes a shaft, first and second eccentric weights, and a member. The first and second eccentric weights are rotatably coupled to the shaft such that they generate...
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6464427 |
Road roller comprising at least one roller-wheel unit
The invention relates to a compactor comprising at least one drum unit ( 14, 15 ) in which a cylindrical drum ( 21 ) is rotationally mounted about its axle ( 40 ), the at least one drum unit ( 14,...
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6460006 |
System for predicting compaction performance
Compaction performance follows a well behaved response curve for a particular material condition/compaction machine combination. Accordingly, a compaction response curve is determined from measured...
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6431790 |
Method of measuring mechanical data of a soil, and of compacting the soil, and measuring or soil-compaction device
Method and apparatus for compacting soil and for determining a mechanical characteristic of soil, including a method and apparatus for periodically compacting soil with a soil compacting device so...
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6409425 |
Hand guided vibrating roller
A hand guided vibrating roller includes a pair of front and rear roller wheels provided in parallel, a machine supported by the pair of the roller wheels, a hydraulic pump mounted on the machine,...
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6402424 |
Vibratory roller
A vibratory roller R comprises a pair of rolls 5 axially supported at both sides of a body 1 in a cantilevered fashion, a pair of vibration generating devices 6 for vibrating each of the...
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6386794 |
Perfected vibrating drum for soil tamping machines
A vibrating drum for soil tamping machines, including a cylindrical tubular skirt adapted to be arranged in abutment against soil to be tamped to which is associated a first hydraulic motor which...
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6302620 |
Manually operated, walk-behind, roadway roller
A hand guide roller of the manually steering type. A front support frame for supporting a front roller is directly or indirectly turnably connected with a rear support frame for supporting a rear...
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6241420 |
Control system for a vibratory compactor
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...
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6224293 |
Variable amplitude vibration generator for compaction machine
A vibration generator includes a weight member, a shaft rotatable about an axis of rotation extending longitudinally therethrough and having a mounting area on which the weight member is mounted,...
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6200066 |
Self-propelled vibratory greensroller
A self-propelled vibratory greensroller for smoothing a green, improving ball roll distance and striping. The greensroller has a vibratory roller and a power roller mounted in a frame with the...
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6132133 |
Crawler type vibratory compacting machine
A crawler type vibratory compacting machine of the invention compacts the ground from a surface layer to a deep layer with high efficiency. The crawler type vibratory compacting machine comprises:...
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6109111 |
Concrete vibrator monitor
In a concrete finishing machine having a plurality of vibrators to be at least partially submerged in concrete or other semi-fluid viscous material for vibration thereof, a monitor is provided for...
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6065904 |
Soil compaction apparatus
An apparatus for monitoring soil compaction using a compaction machine which applies periodic impact blows to the soil surface. The apparatus comprising a rotatable, multi-sided compactor mass that...
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6055486 |
Accelerometer-based monitoring and control of concrete consolidation
A concrete paving system of a variety employing an array of vibrators which consolidate dispersed concrete over a roadbed or the like as the concrete is introduced to the mouth of a slipform pan or...
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6004076 |
Method and apparatus for monitoring soil compaction
A method of monitoring of the level of compaction of a soil surface undergoing compaction by an impact compactor which includes a rotatable, multi-sided compactor mass that applies periodic impact...
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5984572 |
Vibratory generating mechanism and vibratory roller utilizing vibratory generating mechanism
To be able to start and stop vibration without resonating a vibratory body as well as to prevent a drawback of a conventional technology in which when a vibration generating shaft is rotated at a...
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5983165 |
Accelerometer-based monitoring of concrete consolidation
A concrete paving system of a variety employing an array of vibrators which consolidate dispersed concrete over a roadbed or the like as the concrete is introduced to the mouth of a slipform pan or...
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5967695 |
Vehicle for repairing road surfaces
A vehicle for repairing a damaged road surface by filling depressions within the road surface with a filling material has, in a direction of travel, a heating and scraping unit for removing excess...
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5934824 |
Vibration roller with at least one roll tire and a double shaft vibration generator arranged therein
A vibration roller has at least one roll tire having a double shaft vibration generator arranged therein. The vibration generator has a first and a second driven unbalance shafts arranged in the...
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5816741 |
Remote control for walk-behind compactor
A hand-held, portable control device for a walk-behind mobile compactor includes a control box for generating a plurality of electrical control signals. A handle on the control box is adapted to be...
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5797699 |
Process and apparatus for dynamic soil packing
Dynamic soil packing can be achieved by a procedure and device whereby the vibratory motion of the roller or one of the parts attached to it is determined, and whereby the vertical component of the...
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5791815 |
Vibrating compactor assembly for use with a concrete finishing machine
A concrete finishing machine includes a surfacing unit having two finishing cylinders and two augers mounted in line with the two cylinders, a pair of compacting rollers located on either side of...
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