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| Number | Title | Issue Date |
| 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 |
| 7228957 | Slip conveyor assembly A slip conveyor assembly (10) having a plurality of slip conveyors (11 to 16). Each slip conveyor (11 to 16) has a tray (18) providing a conveyor surface (20) along which product is delivered. The trays (18) ar... | 06/12/2007 |
| 7210598 | Authomated pill-dispensing apparatus An under-counter portable automatic pill-dispensing apparatus includes a double array of storage units for storing pills in bulk, a retriever between the two arrays for retrieving selected storage units, and a pill-dispensing module for unloading pills into a vial. ... | 05/01/2007 |
| 7206681 | Adaptive vibration management system for a work machine A vibration management system for a work machine may include at least one machine component configured to respond to input commands from an operator of the machine. One or more vibration sensors may be configured to output a signal indicative of a vibration level ex... | 04/17/2007 |
| 7195583 | Posture and exercise seating Seating that provides comfort, facilitates healthful upright posture, has capability for exercise, and facilitates a healthful upright position, comprises a seat having left and right portions for supporting a user's left and right thighs, respectively. A seat suppo... | 03/27/2007 |
| 7185756 | Discharge device for worked material A discharge device for worked material is provided. The worked material produced by the press working is received on a chute arranged just below a lower die. The chute is driven to make a reciprocating motion within a substantially horizontal plane in response to a ... | 03/06/2007 |
| 7143891 | Vibrating spiral conveyor A vibrating spiral conveyor includes a vibrating system with a useful mass and a counter mass which can be brought into a mutually oppositely oscillating rotational vibrating movement about a central axis of rotation over at least one driving device. The useful mass... | 12/05/2006 |
| 6948611 | Vibratory conveying apparatus adapted to be driven by accumulatively phased rotating eccentric weights A circular vibratory conveying apparatus for conveying material. The apparatus includes a bed on which material is conveyed, a counterbalance supported on a plurality of isolation springs, a plurality of inclined drive springs extending between the bed and the count... | 09/27/2005 |
| 6639167 | Device and method for pellet sorting The invention relates to an arrangement for sorting pellets (2), that includes a transportation device (3) for feeding the pellet (2), a first container (8) for faultless pellets (2a) fed over the end portion of the transportation device (3), a second con... | 10/28/2003 |
| 6464070 | Linear conveyor and method for controlling the same A plurality of trough displacement characteristics and drive signals for driving a drive unit 26 for a trough 25 are determined in association with each other and the speed of transport of the articles M transported by the trough 25 having one of the trou... | 10/15/2002 |
| 6273240 | Vibratory conveyor and control system therefor A control system is provided for a vibratory conveyor including a detector applicable to detect when the depth of product on the conveyor is at a determined minimum value. The product-conveying rate of the conveyor is adjusted so that the depth is maintai... | 08/14/2001 |
| 6260691 | Vibratory system A vibratory system for a vibration feeder includes pulse means for generating electrical digital pulse signals. A controller controllably converts the electrical digital pulse signals either into an incrementally increasing or decreasing DC voltage level.... | 07/17/2001 |
| 6179117 | Vibratory conveyor A conveying system with a frame supporting a conveying member suitable to move products thereon. A drive, which is preferably an electromagnetic drive having a mass that vibrates back and forth along a substantially straight path, is connected to the fram... | 01/30/2001 |
| 6168010 | Apparatus and method for controlling vibrating feeder A method and apparatus of controlling a vibrating feeder applies a drive signal to a vibrating mechanism connected to the vibrating feeder at a first predetermined power level, and subsequently applies the drive signal to the vibrating mechanism at a seco... | 01/02/2001 |
| 6079549 | Driver unit for an electrically driven vibratory conveyor A drive circuit for an electromechanically excited vibratory conveyor responds to the inductance fluctuations of the conveyor drive coil due to mechanical vibration so as to feed the coil with drive pulses having a repetition frequency commensurate with t... | 06/27/2000 |
| 6050393 | Drive apparatus for driving an oscillator and a powder feeder having the drive apparatus therein Disclosed is the drive apparatus for the powder feeder, which has; the duty ratio control circuit 12 which applies the alternating voltage with the resonance frequency to the vibrator 10 during a time corresponding to the duty ratio; the current monitor 1... | 04/18/2000 |
| 6044710 | Elliptical vibratory apparatus The invention disclosed is an elliptical vibratory apparatus including a first controller which includes at least a first phase shifter, a first high-gain amplifier and a first saturating element; a first power amplifier for amplifying an output of the fi... | 04/04/2000 |
| 5944170 | Stroke control system for a vibratory conveyor The present invention provides a stroke control system for a vibratory conveyor which has a vibrating trough driven by a variable frequency motor. The stroke control system includes a transducer connected to the vibrating trough for sensing a vibration am... | 08/31/1999 |
| 5871082 | Orientation parts feeder An orientation parts feeder for successively feeding parts wherein each part has an irregular cross section. The feeder includes a rotating drum supported for rotation about a substantially horizontal axis. The drum has on its inner cylindrical surface a ... | 02/16/1999 |
| 5865297 | Vibratory parts-feeder In a vibratory parts-feeder, a bowl is combined with a base block by plural sets of single leaf spring. A controller is connected to an electro-magnetic coil of a drive part for the parts feeder. The bowl is torsionally vibrated nearly at a resonant frequ... | 02/02/1999 |
| 5836721 | Powder coating apparatus A powder coating apparatus feeds fine powdered coating material such as thermoplastic type material to a succession of discrete articles passing by the apparatus which includes a vibratory feeder bowl and a spiral track for delivering a substantially cons... | 11/17/1998 |
| 5777232 | Control system for vibratory apparatus In a vibratory apparatus including vibratory speed detector for detecting a vibratory speed of a vibratory machine, a self-excited oscillation controller for amplifying the output of the vibratory speed detector at a feed-back gain K, receiving the output... | 07/07/1998 |
| 5688103 | Vibration reducer for transfer apparatuses This invention aims at reducing the vibration occurring during a motion of a vacuum transfer apparatus in a transfer press, and preventing the misfeeding of a workpiece. To achieve this object, accelerometers (30, 32) are set on one of lift bars (1) and a... | 11/18/1997 |
| 5656325 | Powder coating apparatus and method A powder coating apparatus and method are provided for feeding fine powdered coating material such as thermoplastic type material to a succession of discrete articles passing by the apparatus. The invention also provides a powder feed system that deposits... | 08/12/1997 |
| 5615763 | Vibratory conveyor system for adjusting the periodic resultant forces supplied to a conveyor trough A vibratory system for changing or maintaining a resultant vibratory force supplied to a spring support conveyor trough has a pair of spaced, parallel shafts and phase elements for supplying a resultant to force to the trough. A sensing device generates a... | 04/01/1997 |
| 5584375 | Single drive vibrational conveyor with vibrational motion altering phase control and method of determining optimal conveyance speeds therewith Single drive conveyor apparatus including an elongated material-conveying conveyor having a vibration generator connected to one end thereof and vibrating the same substantially only in a direction parallel with the longitudinal centroidal axis thereof an... | 12/17/1996 |
| 5477958 | Cop individualizing apparatus A cop individualizing apparatus operates a circular conveyor of the type having a helical cop guide track on a vibratory basis by providing two unbalanced electromotors whose speed is controllably varied via a frequency converter alternating between two f... | 12/26/1995 |
| 5454466 | Accumulating conveyor An accumulating conveyor of the walking beam type is presented in which a walking shuttle mechanism selectively lifts articles from a stationary portion of a conveyor only when downstream positions of the stationary portion of the conveyor are free to rec... | 10/03/1995 |
| 5392898 | Dual drive conveyor system with vibrational control apparatus and method of determining optimum conveyance speed of a product therewith A dual drive conveyor system which has a vibration control mechanism for adjusting the application of vibratory force to the material-conveying member without changing the direction of the resultant line of vibratory force generated thereby, wherein the v... | 02/28/1995 |
| 5372237 | Control system for parts feeder A system controls the feed rate of parts delivered by a parts feeder having a vibrating unit to be vibrated with a predetermined amplitude for delivering parts and a driving unit for driving the vibrating unit. The control system has a parts detector for ... | 12/13/1994 |
| 5264037 | Powder coating system An apparatus for and method of coating an article by the use of electro-static attraction of ionized particles which are subsequently cured. The apparatus includes a first foraminous conveyor for carrying the article through a powder coating zone and a se... | 11/23/1993 |
| 5211277 | Vibratory conveyor A conveyor system is provided for transporting a product such as a snack food product or crisps. A plurality of main line conveyors are arranged end to end, and a crossfeeder conveyor extends transversely from a lateral edge of the downstream end of each ... | 05/18/1993 |
| 5158170 | Automatic vibrator control A vibratory apparatus including a vibratory feedbowl, a circuit for providing impulses, and a manually adjustable controller connected to the impulse circuit for providing a controlled conductance path to the impulse circuit to controllably vibrate the fe... | 10/27/1992 |
| 5145054 | Vibratory feeder voltage control A control for regulating the AC voltage provide to a vibratory feeder, which includes electronic circuitry for generating a "desired" voltage signal, feedback circuitry for generating an "actual" voltage signal, a logic circuit for comparing the "desired"... | 09/08/1992 |
| 5127512 | Method of operating a magnetically driven vibrating conveyor and apparatus for implementing the method A method of operating a magnetically driven vibrating conveyor under different conveying loads with a constant excitation frequency. The natural frequency of the conveyor is set without a conveying load so that with a load the natural frequency of the con... | 07/07/1992 |
| 5080218 | Vibratory feeding apparatus In a vibratory parts feeder, an output power of an inverter supplying AC voltage to each vibration generator (electric power supplied to the vibration generator) or input power to the inverter is controlled so as to reach the maximum during the feeding op... | 01/14/1992 |
| 5074403 | Apparatus and method for two loop control of vibratory material feeders Control apparatus for a vibratory feeder has two control loops, one for controlling displacement amplitude and one for controlling displacement frequency. The two loops operate independently of each other, and use different feedback signals. The displacem... | 12/24/1991 |
| 5069329 | Parts feeder A parts feeder is provided for singulating a plurality of different unique parts without major modification. The feeder has a fabric oriented platform which is mounted on top of a vibrator. A load section is provided for accepting the parts in bulk and im... | 12/03/1991 |
| 5054606 | Control system for vibratory apparatus The invention relates to a control system for a vibratory apparatus such as vibratory feeders and vibratory conveyors. An accelerometer is provided for sensing the acceleration of vibratory movement of the vibratory apparatus. The signal generated by the ... | 10/08/1991 |
| 5025912 | Shuttle type conveyor A shuttle-type conveyor having a plurality of carriages connected to one another, arranged at a predetermined uniform pitch, and reciprocable along a path through the pitch distance, and a stationary rest extending along the conveyor path, each carriage h... | 06/25/1991 |
