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| Number | Title | Issue Date |
| 7806583 | Clamping mechanism A clamping mechanism particularly for clamping a vibrator to a reinforcing bar. The clamping mechanism provides a slot which intersects a channel. The channel is longitudinally open in one direction at one side of said intersecting slot and longitudinally open in th... | 10/05/2010 |
| 7320558 | Apparatus 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 |
| 7267476 | Dual handle immersion blender There is provided an immersion blender essentially having a housing or body portion for containing a drive motor, a shank or drive shaft operatively connected to the drive motor, and a processing tool operatively connected to the drive shaft. The immersion blender a... | 09/11/2007 |
| 7121762 | Apparatus 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 |
| 6960011 | Vibrator and related method The invention relates to the setting of poured concrete and the need to avoid air pockets and voids within the setting slurry. At least one reinforcing rod, and preferably a grid of rods, is embedded in the poured concrete. The setting slurry is vibrated by vibratin... | 11/01/2005 |
| 6960013 | High frequency immersion vibrator comprising a cooled electronic frequency converter An electronic frequency converter is used with a high frequency immersion vibrator in order to compact concrete. The frequency converter comprises a cooling circuit containing a cooling medium; a first heat exchanger which is integrated into said cooling circuit and... | 11/01/2005 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may ... | 10/11/2005 |
| 6811297 | Vibrator having a core with soft sheath and apertures therethrough A vibrator having a metallic cylindrical core with a shaft extending concentrically therethrough. An eccentric weight is mounted on the shaft and is rotatable thereby to vibrate said vibrator. The core is surrounded by a sheath of material and apertures extend throu... | 11/02/2004 |
| 6554543 | Method and apparatus for improving the structure of saturated masses of granular materials An apparatus and method for improving the structure of saturated masses of granular materials. The apparatus comprises an axially elongated probe having a generally cylindrical side wall and upper and lower ends, the lower end being adapted to penetrate t... | 04/29/2003 |
| 6394639 | Concrete vibrator head with enhanced vibration and fluid bearing An improved head for use with a concrete vibrator for settling concrete/aggregate is provided. The head includes a hollow casing with an eccentric rotor having a curved segment along one side and supported for rotation by a bearing at a first or drive end... | 05/28/2002 |
| 6325531 | Concrete vibrator head with enhanced vibration and fluid bearing An improved head for use with a concrete vibrator for settling concrete/aggregate is provided. The head includes a hollow casing with an eccentric rotor having a curved segment along one side and supported for rotation by a bearing at a first or drive end... | 12/04/2001 |
| 6155708 | Concrete vibrator with offset rotor A lightweight, portable concrete vibrator is provided. A vibrator head includes a hollow casing with an eccentric rotor having a curved segment along one side extending in an arc of 120° so as to position the rotor centroid at the most favorable position... | 12/05/2000 |
| 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 displaying and/or recording operational parameters of the ... | 08/29/2000 |
| 6015225 | Vibration input to moving aqueous cementitious slurry The method of treating an aqueous, cementitious slurry, to enhance fluidity, that includes providing a container for the slurry and effecting movement of the slurry via an impeller, in the container, and locating at least one vibrator in the interior of t... | 01/18/2000 |
| 5992238 | Vibration speed sensor In a vibrator intending to be at least partially submerged in concrete or semi-fluid or viscous material for vibration thereof, the vibrator having a housing open at one end and enclosing a rotating eccentric weight assembly, and a motor attached to the h... | 11/30/1999 |
| 5697733 | Centrifugal force vibration apparatus and system An apparatus for use in compacting or densifying soils includes a tubular casing having a vertical longitudinal axis and an inside surface; a hollow tubular drive shaft aligned with the vertical longitudinal axis of the tubular casing and mounted for rota... | 12/16/1997 |
| 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 extended into the chamber from the cap, a bearing on the s... | 10/15/1996 |
| 5556199 | Vibrator with covering and related method A vibrator for immersion in wet concrete includes a relatively rigid shell with an internal vibrating mechanism. A cover is provided on the shell formed of a material softer than the shell whereby to lessen the effects of the impact of the shell on any en... | 09/17/1996 |
| 5462388 | Vibrator with incorporated electric motor A vibrator for compacting construction materials has a housing having a housing mantle with a first end face and a cylindrical interior. The housing has an upper part for closing the housing at the first end face. The upper part is axially inserted into t... | 10/31/1995 |
| 5108189 | Vibrator and related method A vibrator is provided which includes a relatively rigid shell with a vibrating mechanism being provided within the shell to cause the same to vibrate. A flexible shaft is coupled to the vibrating mechanism to drive the same. Moreover, a cover is provided... | 04/28/1992 |
| 4940336 | Unbalance vibrator An unbalance vibrator comprises a drive shaft mounting unbalance weights, one of which is fixed stationary while the other one is turnable with respect to the drive shaft, and a mechanism for adjusting their mutual position made in the form of a rod sprin... | 07/10/1990 |
| 4885098 | Sonic method for facilitating the removal of solid particles from a slurry An elastic bar member is coupled to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly immersed in a slurry having particulate material contained ... | 12/05/1989 |
| 4883532 | Sonic method for facilitating the extraction of minerals from ore in a leachant An elastic bar member is clamped to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly immersed in a leachant having a material contained therein ... | 11/28/1989 |
| 4823513 | Apparatus and process for vibratory finishing of parts This invention provides apparatus and processes for vibratory finishing of parts wherein the parts are attached to a vibrating head which has internal vibrating mechanism and mechanism for transmitting power to the vibrating mechanism in the vibrating hea... | 04/25/1989 |
| 4780138 | Sonic apparatus and method for facilitating the extraction of minerals from ore in a leachant An elastic bar member is clamped to an orbiting mass oscillator and the entire assembly is suspended from a cable or the like such that the bar member has freedom of lateral motion and is nakedly immersed in a leachant having a material contained therein ... | 10/25/1988 |
| 4778279 | Sonic agitator with multi phased vibration bars Three or more (preferably an even number) of hollow vibration bars are joined together at one end thereof with the bars spaced from each other and with their longitudinal axes in substantially parallel relationship. Each of the bars has an unbalanced roto... | 10/18/1988 |
| 4752137 | Poker vibrator A poker vibrator includes an extra weight which is mounted on the hose accommodating the power supply of the vibrator of the poker vibrator assembly connected to the end of the hose. The extra weight is mounted on the hose in the vicinity of the casing. t... | 06/21/1988 |
| 4553443 | High frequency vibratory systems for earth boring Vibrations having a frequency exceeding 150 Hertz are established in a rigid body by means of a vibrator system that in one embodiment includes a pair of rotating wheels, only one of which has a weighted eccentric secured to its axle. The wheels are coupl... | 11/19/1985 |
| 4526049 | Vibrator The invention provides a vibrator for shaking materials, comprising a drive, a shaft which can be connected to the drive and which is supported on the casing, at least by a bearing, and further comprising an imbalance member supported by the shaft, in the... | 07/02/1985 |
| 4483695 | Apparatus for vibration separation of oil and water An elongated casing is provided and is closed at one end. A fluid pressure actuated elongated internal vibrator of the type including an internal fluid pressure driven eccentric weight orbital about an axis extending centrally longitudinally through the v... | 11/20/1984 |
| 4207005 | Pronged vibrator A vibrator with attached prongs which achieves the breakup of compacted materials in structures similar to silos, grain elevators and railroad cars is set forth. Attached to the pronged vibrator is a cable which allows the vibrator to be lowered into the ... | 06/10/1980 |
| 4199264 | Unbalanced weight vibrator A rotating unbalanced weight vibrator is provided. The vibrator comprises a vibrator housing defining and lying on a first axis, and a motor housing having two ends and being normally generally nonconcentrically arranged within the vibrator housing so as ... | 04/22/1980 |
| 4057222 | Concrete vibrator Immersion vibrator of the type employed for consolidating poured concrete and employing an unbalanced rotor, characterized by a gerotor type motor, operated by hydraulic pressure, for rotating the rotor. It is of particular utility as an accessory to cert... | 11/08/1977 |
| 4006886 | Soil compacting devices A soil compacting device has a vibrator unit dependent from a follower tube and so connected thereto as to be able to swing transversely relative to the tube. The connection is effected by at least one internally disposed flexible tension element such as ... | 02/08/1977 |
