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| Number | Title | Issue Date |
| 7331469 | Vibratory separator with automatically adjustable beach A vibratory separator having a basket for supporting screen apparatus for treating material, the basket pivotably mounted on a base, vibratory apparatus connected to the basket for vibrating the basket, the material forming a pool on the screen apparatus, and a beac... | 02/19/2008 |
| 7278540 | Adjustable basket vibratory separator A vibratory separator having a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on a base and pivotable with respect thereto, vibratory apparatus connected to the... | 10/09/2007 |
| 7240800 | Vibratory sand reclaiming apparatus having normal and reject modes An attrition mill for reclaiming foundry sand from deposited material having lumps of used foundry sand and included material includes a housing defining a chamber for receiving the lumps of used foundry sand and included material. A base is disposed within the hous... | 07/10/2007 |
| 7025210 | Method and apparatus for attenuating sound from vibratory screening machines A method of attenuating the sound emanating from a bank of a plurality of vibrating screens of a plurality of vibrating screening machines including the steps of providing a master pulse of known phase and frequency, comparing the phase and frequency of a plurality ... | 04/11/2006 |
| 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, and a cover. The cover includes an aperture adapted to receive therethr... | 07/19/2005 |
| 6679385 | Motor control system for vibrating screen separator A vibrating screen separator. The vibrating screen separator may be operated in a linear, an elliptical, or in a transition from elliptical to linear modes of operation. In the linear mode of operation, the screen separator moves along a reciprocating str... | 01/20/2004 |
| 6513664 | Vibrating screen separator A vibrating screen separator. The vibrating screen separator may be operated in a linear or elliptical mode of operation. In the linear mode of operation, the screen separator moves along a reciprocating straight line path, and, in the elliptical mode of ... | 02/04/2003 |
| 6386375 | Lubrication system for vibrating flat screens A vibrating screen supported by springs and vibrated via rotating gear sets. The gears are provided with off center weights synchronized to produce angularly directed vibration for moving the material from end to end on the screen. The gears are lubricate... | 05/14/2002 |
| 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 effective axes of eccentric force coincident. The weight system... | 02/26/2002 |
| 6096210 | Screening system A vibratory separator having a resiliently mounted housing with a vibratory drive. A screen extends across the housing and a cover is positionable over the screen. The screen includes a discharge port therethrough aligned with a discharge passage for remo... | 08/01/2000 |
| 6082551 | Vibration-type screening machine A vibration-type screening machine capable of screening loose material with a significantly enhanced efficiency includes a stationary base frame, a pair of upstanding side plates supported on the stationary base frame through spring suspensions and dispos... | 07/04/2000 |
| 6029822 | Drive system for a vibratory screening plant A vibratory screening device includes a frame and a screen, supported by the frame, for separating undersize and oversize material. A vibrating device, coupled to the screen includes a first output shaft with an axis of rotation that oscillates relative t... | 02/29/2000 |
| 6003679 | Sieving device with duel independent frequency input A sieving device includes a sieve having a base, a drum and a main rim. A screen assembly having a mesh screen and a screen frame extending around a periphery of the mesh screen is resiliently mounted within the main rim. A low frequency vibrational drive... | 12/21/1999 |
| 5984107 | Vibratory drive for a screening machine A vibratory drive for use with a screening machine for draining and/or sizing of grain solids, the drive having two eccentric shafts which are driven synchronously and in counterrotation and which have different unbalanced masses 7, 8. The eccentric shaft... | 11/16/1999 |
| 5927513 | Apparatus for recovering reusable wood shavings from animal stalls A portable shaker frame that is particularly adapted for separating irregularly-shaped wood shavings used in animal stalls as bedding materials from manure contained in the bedding material. The wood shavings are recovered for reuse and the manure is sepa... | 07/27/1999 |
| 5896998 | Vibratory screening apparatus A vibratory screening apparatus has two vibrator motors (19, 20, 19', 20') having respective out-of-balance weights arranged to produce substantially linear vibratory movement when, in use, these motors (19, 20, 19', 20') are running in mutually opposite ... | 04/27/1999 |
| 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 body which can rotate and which is provided in a region whic... | 12/15/1998 |
| 5614094 | Vibrating screen unit A vibrating screen unit for dewatering dredged material. The vibrating screen unit includes a frame and a top screen deck, a middle screen deck and a bottom screen deck. The middle screen deck includes a splitter which extends across the width of the fram... | 03/25/1997 |
| 5328036 | Vibratory screening apparatus There is disclosed a vibratory screening apparatus comprising a frame having a pair of opposed screen frame sides, a multi-deck screen mounted on the frame sides, and a shaft-driven vibratory mechanism coupled with the screen in order to impart vibration ... | 07/12/1994 |
| 5231886 | Non-metallic gear shaker A shaker with an open frame, sides, a flat bottom and open ends. The shaker has pre-lubricated sealed bearings and a self-lubricating plastic gear with a metal gear, which not only educes the amount of friction between gear teeth, reduces maintenance and ... | 08/03/1993 |
| 5108588 | Structure of vibro separator A vibro separator, comprising a separator unit which is comprised of a screen assembly releasably mounted on a hopper at the top, which screen assembly has a screen releasably fastened therein; a vibrator unit which is comprised of a motor directly or ind... | 04/28/1992 |
| 5084176 | Vibrating filter A vibrating filter has a housing, top and bottom plates spaced vertically in an upper portion of the housing and defining an outlet chamber therebetween, at least one filter element dependent from the bottom plate into a filter chamber defined in the hous... | 01/28/1992 |
| 5067358 | Vibrating table installation for the manufacture of concrete products Four shafts fitted with eccentric weights are arranged as four parallel lines with one pair placed immediately above the other pair and the ends of each are fitted with a notched driving roller. A double-notched belt driven by a motor passes alternatively... | 11/26/1991 |
| 5051170 | Two frame elastic screening appartaus having substantially linear relative movement The invention concerns a screening apparatus comprising two frame systems which are movable relative to one another, comprising grate bars assigned to each system, which grate bars of each frame system are alternately disposed and are connected by means o... | 09/24/1991 |
| 4978488 | Concrete block molding machine having continuously driven vibrating shaft mechanism which can be programmably vibrated and method of programmably vibrating such machines A concrete block molding machine has a vibratible mold box incorporating at least one molding cavity for a cement mixture which is to be densified in the cavity. A continuously driven shaft assembly mounts an eccentric fixed portion and a circumferentiall... | 12/18/1990 |
| 4911834 | Drilling mud separation system A separation system for removing drilled solids from a drilling fluid being circulated in a well including a vibratory screen apparatus (10) and method for separating materials having a base (12) supporting a vibratory support frame (13) for relative vibr... | 03/27/1990 |
| 4830597 | Vibrator for a block molding machine A vibrator for a concrete block molding machine to make molded concrete blocks comprises a vibrating table which receives wooden production pallets with a block mold on support bars and further comprises a vibrating drive. Infinitely adjustable amplitude ... | 05/16/1989 |
| 4742721 | Vibrating device A vibrating device, the vibrating part of which is equipped with a plurality of intercoupled unbalanced, shafts rotatably driven, in which the centrifugal forces generated neutralize one another in the direction at right angles to the direction of vibrati... | 05/10/1988 |
| 4650192 | Scooping game toy A game toy wherein a vibrator is incorporated in a scooper for scooping up a model piece of a goldfish or the like put in a vessel, and whereby competition is made for catching the model piece in the condition that the vibrations of the vibrator are propa... | 03/17/1987 |
| 4519902 | Vibrating screening apparatus A novel vibratory screening apparatus particularly adapted for the wet-screening of slurry mixtures containing particles and liquids, and more particularly to the separation of solid particles and liquids utilizes in combination a combined vibratory scree... | 05/28/1985 |
| 4510815 | Flyweight vibrator designed as directional vibrator Two flyweight shafts 12,22 are coupled by means of gears 18,30 each attached to one flyweight shaft 12,22 and two intermediate gears 54,56 each engaging one of these gears 18,30 and mesh with each other. Each of the intermediate gears 54, 56 is mounted on... | 04/16/1985 |
| 4469592 | Power sieve with screen beaters A vibratory power screen normally has a generally planar and longitudinally extending frame having upstream and downstream ends and a pair of laterally spaced side members extending longitudinally between the ends. A generally planar screen is spanned lon... | 09/04/1984 |
| 4341126 | Variable amplitude vibratory apparatus A vibratory apparatus comprises a shaft mounted for rotation about an axis and having weight structure mounted thereon to effect vibration in response to shaft rotation. The shaft may be initially balanced or unbalanced. According to a first series of emb... | 07/27/1982 |
| 4340469 | Vibratory screen apparatus A vibratory screen apparatus is described for classifying loose solid material through horizontal screens 22-24 that are vibrated in elliptical paths by two independent eccentric weight means 28 and 30. The eccentric weight means 28 and 30 are mounted on ... | 07/20/1982 |
| 4262549 | Variable mechanical vibrator A variable mechanical vibrator includes a first eccentric weight fixed to a rotatably mounted shaft. A second eccentric weight is rotatably mounted on the shaft, and the two weights are rotated together under control of mating engagement abutments, one ca... | 04/21/1981 |
| 4255254 | Delayed counterweight vibrator apparatus An improved apparatus for vibrational conveyance, e.g., for sifting, cleaning or screening bulk or particulate material. The apparatus includes: (a) a frame; (b) a trough connected to said frame; (c) a plurality of leaf-springs, each leaf-spring supporting sai... | 03/10/1981 |
| 4196637 | Vibratory device with controlled actuation A vibratory device has a vibrating chassis disposed horizontally or inclined and which is actuated by linear vibration by means of a vibrator having two unbalanced shafts rotating synchronously in opposite directions. For obtaining continuous regulation, ... | 04/08/1980 |
| 4170549 | Vibrating screen apparatus A vibrating screen apparatus of the type wherein bearing housing discs and associated gears are mounted on self-aligning bearings which are supported by fixed internal spindles, with the gears centered on the bearings, and hubs connect the bearing housing... | 10/09/1979 |
| 4152128 | Rotary separator A separator for separating solid particles from a gas stream in which they are entrained comprises a rotatable member on which the entrained particles impinge. The member rotates about a non-vertical axis. The rotatable member is mounted on a stationary b... | 05/01/1979 |
| 4058019 | Unbalance vibration generator An improved unbalance vibration generator adapted to be driven at varying rotational speeds while maintaining a substantially constant exciting force throughout a range of rotational speeds. The generator includes an unbalance mass comprising first and se... | 11/15/1977 |
