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7554237 |
Centrifugal-effect vibration generator having coaxial contrarotating rotors
A device for generating forces that are variable and controllable in amplitude, in direction, and in frequency, the device includes two unbalanced rotors ( 18, 20, 35 to 38 ) mounted coaxially in...
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7302871 |
Oscillation generating device
The invention relates to an oscillation generating device for use in a soil compacter with a tipping moment compensation device. A second unbalance shaft pair with oppositely rotating unbalance...
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7270025 |
Adjusting device for regulating the eccentric moment of a roller drum eccentric shaft
An adjusting device ( 11 ) is for regulating the eccentric moment of an eccentric shaft ( 2 ) of a roller drum ( 1 ) through the influence of an axially directed force transmitted by a force...
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7213479 |
Vibratory mechanism and vibratory roller
A vibratory mechanism includes vibratory shafts, which are stored within a roll and are arranged symmetrically across a rotation axis of the roll, fixed eccentric weights fixed to respective...
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7171866 |
Controllable 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...
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7165469 |
Shift 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...
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7117758 |
Vibration 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...
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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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7084535 |
Deflection limiter for vibrator motor shaft
A deflection limiting member ( 110, 310 ) or a deflection limiting mechanism ( 512, 514 ) is used to limit deflection of a motor shaft ( 102 ) of a vibrator ( 105, 305, 505 ) in a portable...
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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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7017679 |
Device for the continuous adjustment of unbalance of steerable vibration plates
The invention relates to steerable vibration plates that are set vibrating by rotating unbalanced masses. By twisting the unbalanced masses relative to one another the resulting forces and their...
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6918492 |
Baffle assembly for a sealed shaft on a vibratory apparatus
A sealed wheel case for use on a vibrating aggregate processing device comprises a housing sized to hold a rotatable wheel supported on a shaft, the housing having a base, a peripheral sidewall,...
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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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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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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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6669026 |
Portable screening plant with displaceable eccentric
A vibration-reducing eccentric weight system mounted to the driveshaft of a screen box in a portable screening plant with the eccentric weight system's center of gravity on the driveshaft's axis of...
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6585595 |
Vibration generating device and input device for game apparatus using the same
Disclosed is an input device (controller) for inputting signals to a game apparatus using a computer. The input device includes a vibration generating device, the vibration state of which can be...
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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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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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6454051 |
Vibratory compactor bearing lubrication
An oil lubricating system mounted on a vibrating plate compactor has a center chamber and outer chambers in the housing partitioned by a pair of bearings on the left and the right axially attached...
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6349834 |
Vibratory screen separator
A vibratory screen separator having a resiliently mounted frame with a screen mounting to receive screens for material flow thereacross. Eccentric weight systems are rotationally mounted with...
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6321610 |
Vibration apparatus for a variable amplitude type vibration table
A vibration apparatus has a vibration table and pairs of vibration driving shafts and vibration driven shafts having eccentric weights for vibrating the vibration table and disposed symmetrically...
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6250792 |
Integrated vibratory adapter device for providing multi-frequency oscillation of a vibratable working unit
An integrated vibratory adapter device for providing multi-frequency oscillation of a vibratable working unit, includes a working member associated with the working unit so as to be in force...
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6237749 |
Motor base for vibratory apparatus
A motor base for use in vibratory apparatus. The vibratory apparatus includes at least one eccentric drive having a driven shaft rotatably mounted on a moveable exciter. A motor is provided having...
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6234718 |
Vibratory apparatus
A vibratory apparatus, useful with a vibrated plow, cable layer or the like, includes a housing and a shaft mounted to the housing for rotation about a shaft axis. Counterrevolving first and second...
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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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6140723 |
Vibration generating device and oral hygiene device using same
An oral hygiene device comprises a rotating body 22 mounted to a rotating shaft 21 of an electric motor 14, an output shaft 11 resiliently supported via a resonance pin 25 to be swingable finely, a...
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6081055 |
Vibration motor
A vibration motor (10) having a metal holder frame (30) provided with a motor accommodation portion (31) for receiving and holding a substantially tubular drum portion of a vibration motor body...
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5909074 |
Vibration motor for obtaining a starting torque with a small current
The present invention is provided with a motor having a rotary shaft. A weight is fixed to a motor through guide pins formed to the rotary shaft. Each of springs has one end connected to the rotary...
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5850110 |
Unbalanced mass vibration generator
An electric motor-driven unbalanced vibration generator with an electric motor which is enclosed in a motor housing and the extended motor shaft of which is provided with at least one unbalanced...
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5829304 |
Simple inexpensive vibrator
This invention provides a simple and inexpensive vibrator. Upper and lower linked arms are used to hold equal weights attached at the ends of the arms. The arms are attached to collars which spin....
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5818135 |
Vibration generator for generating a directed vibration
A vibration generator for generating directed vibrations in a compacting device includes a housing and a first and second flyweight shafts rotatably supported in the housing and extending parallel...
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5801466 |
Vibrator attaching structure
A motor 3 having a rotational shaft with a counterweight 4 is held in a vibrator holder 2. The rotational shaft of the motor is inserted at a free end in a circular hole in a bearing-plate of the...
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5798588 |
Vibrating motor, vibrating motor casing and vibrating device containing vibrating motor
In a vibrating motor, an eccentric weight is attached to one end of a rotation shaft that projects linearly from a motor housing. The vibrating motor causes the gravity center of the weight to...
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5666852 |
Jointed weight for a vibratory apparatus
A counterweight is freely pivoted on a rotatably driven unbalanced eccentric weight member such that at start up the counterweight does not add materially to the unbalance created by the eccentric...
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5618133 |
Vibrating mechanism and apparatus for generating vibrations for a vibration compacting roller with variable amplitude
A vibrating mechanism for vibrating a vibration compacting roller with a variable amplitude includes a vibration generating shaft, a movable eccentric weight turnably disposed in the vibration...
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5564824 |
Rotary vibrator
A vibrator for use in concrete or other semi-fluid or viscous material is provided with a casing having an open chamber therein, a cap detachably connected to the casing, a cantilevered stub shaft...
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RE35073 |
Apparatus and method for removing oil spots from a surface
A vibrator apparatus adapted for rubbing absorbent granules against a surface to remove oil spots therefrom. The apparatus comprises a platen having a generally flat lower face for engaging the...
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5433523 |
Vibrators
An improved pneumatic vibrator configuration is provided. Specifically, the vibrator is annular in configuration which enables functional elements of adjacent components in a multi-component system...
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5413535 |
Apparatus for damping vibrations
Vibrations of the camshaft or crankshaft of a combustion engine are damped between a composite pulley which receives torque from the engine and one or more sheaves which are driven by an endless...
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5396815 |
Suspension system for gimbal supported scanning payloads
Gimballed scanning devices are an important aspect of space science. To achieve a scan pattern some means must be provided which impart to the devices an oscillatory motion. Various forms of...
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5238302 |
Vibrating mixer for nail polish and other liquids
A special mixing machine readily mixes nail polish and other liquids. The efficient mixing machine has a vibrating head assembly comprising a resilient bonnet with a series of openings to receive...
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5220846 |
Asymmetric mechanical vibrator with external setting for vibrating screens and other equipment
An asymmetric mechanical vibrator with external adjustment for vibrating screens and other equipments having a bearing housing fixable to a sidewall P of the equipment and supporting through...
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5220845 |
Vibratory compactor bearing lubrication
A method of lubricating the roller bearings journaling the rotatable, vibration imparting, eccentric mass in the closed cavity of a vibratory compactor housing comprising the step of providing a...
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5203101 |
Digging chain vibratory system
The digging apparatus support boom of a continuous excavating machine is vibrated in a directional mode so as to enhance digging efficiency. Directionally compliant mounting of the boom isolates...
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5181023 |
Terminal unit of a mobile communication system
A terminal unit of a mobile communication system of the type using a vibrating device for alerting the user of the terminal unit to an incoming call by vibration. The terminal unit has a flat belt...
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5172599 |
Vibratory device
A vibratory device which provides vibratory motions for screens, shakers, and vehicles which utilize such motions is described. Rotatory motion is imparted to a rotating frame which transmits to...
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5163336 |
Vibration device
The vibration device according to the invention includes a compensating device influenced by compensating masses for exciting forces caused by the vibrationary movement, the compensating masses...
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5146798 |
Wedge-hinge transmission apparatus and method
An apparatus and method are provided for amplifying, torque and transmitting power using a novel wedge hinge assembly. In a preferred embodiment of the present invention, four wedge hinge...
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5134893 |
Adjustable counterweight assembly
A counterweight assembly on a vertical, rotatably mounted shaft which is adjustable. First and second eccentric weight assemblies are fixed to the shaft. One of the eccentric weight assemblies...
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