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8137027 |
Sprinkler apparatus for dosed sprinkling of a base plate of a vibration apparatus for soil compaction
A sprinkler apparatus for dosed sprinkling of a base plate of a vibration apparatus for soil compaction is provided. The sprinkler apparatus comprises a fluid tank with a fluid outlet, a valve for...
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8123432 |
Soil-compactor with power steering
At the end of a guide handle of a vibration plate service as soil-compactor an actuating element is mounted which can be moved in relation to the guide handle. Each position of the actuating...
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8057125 |
Vibratory percussion rammers and methods of making vibratory percussion rammers
Vibratory percussion rammers and methods of making vibratory percussion rammers are provided. In one example, a vibratory percussion rammer includes a gear box, a percussion delivery unit extending...
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8047742 |
Tamping device
A vibrating plate serving as a tamping device comprises an upper mass equipped with a drive and comprises at least two lower masses, which are coupled to the upper mass while being able to...
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7988383 |
Transport attachment of a vibration plate
A transport attachment of a vibration plate and a vibration plate having transport wheels is provided. The transport wheels are pivotable between a transport position and an operating position, and...
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7896575 |
Soil compactor having low profile muffler
A ramming device for compacting soil includes an upper mass and a lower mass. The lower mass is driven linearly back and forth with respect to the upper mass to compact material therebelow. An...
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7889079 |
Anti security system for manhole covers
There is disclosed an antitheft security alarm system and method for manhole covers, rainwater drains, and the like, to prevent burglary of the cover by transmitting a wireless alarm signal to a...
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7753621 |
Vibrating plate comprising a remote control that is integrated into a draw bar
The invention relates to a vibrating plate for ground compaction, said plate comprising a remote control device for controlling at least one forward or rear journey by the excitation of an...
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7740416 |
Tamper device with replaceable tool head assembly
A hand or mechanically powered tamper tool which has a removeable, replaceable, tool head assembly. The tool head assembly is a separable component from the upper section of the tamper tool which...
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7682102 |
Asphalt tamper
The asphalt tamper includes a tamper plate connected to a reciprocating rod that oscillates inside of a protective sleeve, wherein the reciprocating rod abuts a cam that rotates about the output of...
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7491014 |
System and method of the automatic compaction of soil
The invention relates to a soil compacting system which comprises a travelling and steerable soil compacting device and a control device. The control device is provided with an area definition...
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7484912 |
Method and apparatus for consolidating concrete test samples
A method and an apparatus for consolidating concrete test samples include a tubular tamping rod with a reference disc slidably mounted thereon. When performing a quality control test, a worker...
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7427176 |
Vibratory plate
A vibratory plate includes a sprinkler device (3) for wetting the underside of a base plate (2) of the vibratory plate (1). The vibratory plate also includes a water tank (4) and the sprinkler...
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7413028 |
Ramming device to be assigned to a rock breaker
The ramming device comprises a ramming element to be assigned to the end of a rock breaker. The inventive device receives the shocks generated by the rock breaker and transmits them to fragments to...
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7387466 |
Concrete pattern tamper having elastomeric body and neck
A tamper for imparting patterns through a die to a pliable surface, most commonly a newly poured concrete structure such as a walkway, is disclosed. In the tamper of this invention its base,...
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7354221 |
Self-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...
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7316524 |
Tamping device
A tamping device for tamping of asphalt or stone includes a motor being coupled to a drive shaft. The motor rotates the drive shaft when the motor is actuated. A sleeve is coupled to the motor. The...
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7303356 |
Soil compacting device comprising an undercarriage
The invention relates to a soil compacting device, especially a vibrating plate, which comprises an undercarriage mounted on a lower body, said undercarriage having an undercarriage axle that is...
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7174970 |
Vibratory damped guide lever for a working device
The invention concerns a hand-operated working device such as, for example, vibrating plates and vibrating rollers for soil compaction with a guide lever that is arranged on the working device such...
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7144195 |
Asphalt compaction device
An asphalt compaction device including a primary compaction plate and a secondary compaction plate for concentrating force, resulting in an increased compaction rate. The secondary compaction plate...
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7013812 |
Tamping tool
The present invention comprises a tamping tool comprising a shank and a blade, with the blade having various arrangements of wear-resistant material affixed to the face of the blade by means of...
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6854923 |
Working machine with reduced upper mass vibrations
A tamping machine for compacting soil has a crank mechanism for producing a directed vibration. The crank mechanism is coupled to a spring assembly. The parts of the crank mechanism which move back...
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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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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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6758632 |
Lubrication system for a tool with a combustion engine
A tool consists of a combination engine in the form of a two-cycle engine, and a motion conversion device which is connected to said combustion engine and which is located in a housing. The housing...
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6749365 |
Vibration isolation for a percussion rammer
A soil compacting percussion rammer includes an operator handle assembly that is isolated from the main machine frame by a shock absorbing mount oriented to absorb the horizontal components of...
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6722815 |
Soil compacting device comprising a vibration generator, and method for controlling the vibration generator
The invention relates to a soil compacting device comprising a vibration generator that acts upon a soil contact plate. A controlling means of the vibration generator comprises an...
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6698531 |
Vibration tamper
A hand-guided vibration tamper, which is driven by a motor laterally cantilevered on the tamper head, is provided with guard plates covering its underside and lateral sides. The underside and...
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6659685 |
Arrangement for cooling a hydraulic fluid in a hydraulic-powered vibrating compactor
The invention is directed to an arrangement for cooling the hydraulic fluid in a hydraulic-powered vibrating compactor. The arrangement includes a hydraulic pump (6) of the compactor. The hydraulic...
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6601465 |
Working tool, in particular rammer for soil compaction
A working tool, in particular a soil rammer or a hammer, has two masses that may be linearly moved back and forth with respect to one another, namely a top mass which comprises a driving motor and...
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6588977 |
Compactor machine having vibration damping means
A compactor machine adapted to be controlled by a pedestrian operator. The compactor machine includes a base plate adapted to engage a material to be compacted and an operative unit mounted on the...
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6582154 |
Remote controlled concrete power float
A remotely controlled power float apparatus comprises a horizontally oriented platform supported on a pair of spaced apart, rotationally mounted, floats. The floats each provide a downwardly...
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6443651 |
Ramming device comprising a vibration reducing guide cylinder
A working device, especially a ramming device for compacting soil, comprises a housing which belongs to an upper mass, and has a working mass which can be linearly driven back and forth with regard...
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6435767 |
Directional controls for vibrating plate
A vibrating plate consists of an upper mass with a drive unit and a lower mass with a ground contact plate and a vibration exciter. The upper mass and lower mass are coupled with each other at...
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6419420 |
Vibrating tamper having a single control lever
The invention is directed to a vibrating tamper having a single control lever. The single control lever (4) can be set by an operator to any one of three releasably fixed positions with a...
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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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6409426 |
Vibratory tamping tool
A vibratory tamping tool which is shaped for easy maneuvering and tilting so as to allow the tamping and shaping of surfaces which are sloped relative to the horizontal. The tool has a tamping...
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6394697 |
Vibration plate with a sole
A vibration plate has a sole element that can be fastened durably and without difficulty by straightforward techniques. This is achieved in that, rather than being fastened on the ground-contact...
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6379082 |
Water sprinkler for vibrating plate compactor
A vibrating plate compactor having a vibration generator, a water tank, wherein the water tank is removably mounted on the compactor. The compactor includes a sprinkler pipe having a nozzle, a...
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6352004 |
Working device with mass balancing at the crank mechanism
A working device, especially a ramming device for compacting soil, or a hammer, has a crank mechanism for producing a controlled vibration. The crank mechanism is coupled with a set of springs....
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6302622 |
Tamping rammer
A tamping rammer capable of optimum tamping of the ground by its stable jumping behavior when tamping hard ground without giving rise to unstable jumping of the machine, includes a tamping foot...
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6293729 |
Compactor for compacting soil
A compactor for compacting soil which can be controlled by hand using a bow-shaped control element or similar element. The compactor has a compacting or ramming working mass which is driven by a...
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6267532 |
Handle assembly for a vibrating compactor
A vibrating compactor is equipped with a handle assembly (20) in which the vibrations are damped via vibration dampers (8) with an arrangement to limit the resilient movement of the vibration...
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6213673 |
Connecting device for the shaft or guiding bar of a vibrating plate
A connecting device enabling spring-suspended connection of a shaft or a guiding bar (3) to a hand-operated vibrating plate which has two pairs arranged at a fixed distance from each other in the...
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6200065 |
Lightweight, portable vibratory screed
The screed includes an elongated blade vibrated by a centrally located, eccentric weight. The blade is supported by an elongated shaft extending to a power source that drives the weight. An...
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6000879 |
Gasoline-powered tamper
A tamper has a housing, a transmission in the housing converting rotary movement to reciprocating movement, and a tamper plate underneath the transmission and connected thereto for tamping material...
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5957622 |
Sprinkler construction for vibratory plate compactor
A sprinkler construction for mounting on any upwardly inclined forward end of the compactor plate of vibratory plate compactors for delivering water to the surface of the compactor plate which...
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5934825 |
Vibratory plate machine
A vibratory plate machine has an improved baseplate, console, clutch, and/or cage assembly. The baseplate has a semi-spherical bottom surface and barrel-shaped side surfaces to improve stability...
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5890834 |
Vibratory plate machine with a water supply system and mehtod of using the same
A water supply system is adapted to spray lubricant, typically water, onto an asphalt surface in front of an asphalt vibratory plate machine at a generally constant rate regardless of the level of...
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5733071 |
Rammer incorporating an internal combustion engine having an inclined cylinder axis
In a rammer powered by an internal combustion engine, the engine is placed on a side of an upper part of a rammer main body with its crankshaft extending in parallel with the handle bar of the...
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