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| Number | Title | Issue Date |
| 7387198 | Balanced flat stroke bi-directional conveyor A balanced flat stroke bi-directional conveyor for conveying object, granular and powder material. The unit utilizes the skewed sine wave trough stroke principle using primary eccentric counterweights wheels driven by a motor running at the secondary speed and equip... | 06/17/2008 |
| 7322569 | Linear drive for vibratory apparatus A two mass vibratory apparatus for processing work material includes a bed defining a transport surface for receiving the objects, an elastic amplifier having a first end connected to the bed and a second end, and a base connected to the elastic amplifier second end... | 01/29/2008 |
| 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 |
| 7104394 | Conveying apparatus with piezoelectric driver A conveying apparatus comprises an elongated conveying bed which includes a proximal end and a distal end. A support structure for the conveying bed accommodates vibratory motion of a portion of the conveying bed extending from the proximal end a substantial distanc... | 09/12/2006 |
| 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 |
| RE38756 | Vibratory distribution conveyor In order to provide the capability of distributing a material that is conveyed, a vibratory distribution conveyor includes a deck having a distribution edge. The distribution edge extends between an inlet end and an end remote therefrom and the deck is subjected to ... | 07/12/2005 |
| 6889820 | Exciter apparatus There is provided exciter apparatus having a cast housing (11) and mounting base (14) secured to mounts bolted to the side plates of screening apparatus. A pair of shafts are mounted for rotation in and extend out of both sides of the cast housing (... | 05/10/2005 |
| 6868960 | Conveying apparatus A conveying apparatus is disclosed and which includes a supporting frame; an article transporting bed which is oriented in spaced relation relative to the supporting frame; a plurality of resilient supports mounted on both the supporting frame and the article transp... | 03/22/2005 |
| 6851548 | Vibratory conveying apparatus adapted to be driven by a plurality of accumulatively phased pairs of rotating eccentric weights A 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 counterbalance... | 02/08/2005 |
| 6705459 | Two-way vibratory feeder Complexity of construction of a vibratory feeder is minimized in an assembly including a base (10; 108, 114, 116, 118) and an elongated, generally horizontal feeder (14; 100) spaced from the base (10; 108, 114, 116, 118). A rotatably mounted ecc... | 03/16/2004 |
| 6659267 | Two-mass, base-excited conveyor A vibratory conveying device comprise an elongated trough for transporting materials, and a base underlying the trough. A plurality of elongated leaf springs support the trough on the base, with a vibratory drive system operatively connected to the base f... | 12/09/2003 |
| 6655523 | Excited frame conveyor and excitation process for same An excited frame conveyor is described with a conveyor bed movably supported on a frame having a structural frequency and a vibratory drive on the frame operable to vibrate the frame at an operational frequency that is greater than the structural frequenc... | 12/02/2003 |
| 6601695 | Differential motion conveyor drive A differential motion conveyor drive includes at least three pairs of drive shafts carrying eccentric weights that are selected to correspond to the terms of a Fourier series in order to achieve optimal conveying speed and efficiency. To approximate the F... | 08/05/2003 |
| 6598734 | Vibratory distribution conveyor A vibratory conveyor has an eccentric shaft drive system mounted at an angle relative to horizontal plane defined by the conveyor deck. Rotation of the drive shafts and associated eccentric weight elements causes a net force to be imparted to the conveyor... | 07/29/2003 |
| 6527104 | Differential impulse conveyor with linear motor drive A differential impulse conveyor includes a conveyor base 12 and a tray 16 movable in a forward direction to move goods with the tray and in a backward direction to slide goods along the tray. A pair of tray support members 18, 20, 192, 200, 222 interconne... | 03/04/2003 |
| 6349817 | Mounting bracket for generating linear impelling pulses from a rotary vibrator mounted thereon A mounting bracket assembly for connecting a single rotary vibrator to a vibratory feeding device that includes an elastomer spacer member retained and sandwiched between a base plate and a vibrator mounting plate. The mounting plate assembly converts sin... | 02/26/2002 |
| 6276518 | Vibratory drive for a vibratory conveyor A vibratory conveyor apparatus is described and which includes a conveyor bed, a frame mounted on the conveyor bed and which facilitates the reciprocal motion of the conveyor bed, and a drive assembly borne by the conveyor bed and which imparts reciprocal... | 08/21/2001 |
| 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 a motor shaft which is spaced from the eccentric drive and... | 05/29/2001 |
| 6155404 | Vibratory conveyors A two-way drive for horizontally vibrating a feeder bed, including a reversible drive rotating one of two drive shafts rotatably connected so that the second drive shaft rotates at a speed which is a selected ratio (at least 2:1) of the speed of rotation ... | 12/05/2000 |
| 6145652 | Vibrating conveyor system with sliding eccentric weights A vibrating conveying system having a plurality of rotating shafts and associated eccentric weights uses a sliding eccentric weight or weights mounted on one or more driving shafts to reverse the movement of the articles carried by the conveyor. The slidi... | 11/14/2000 |
| 6142292 | Method and apparatus to prevent a bearing from rotating in a bearing housing The bearing includes a cylindrical bearing, such as a sleeve bearing or a ball bearing, having a central opening for receiving a shaft and having a first radial surface. The assembly includes a bearing housing having a surrounding wall which defines an op... | 11/07/2000 |
| 6112883 | Vibratory distribution conveyor In order to provide the capability of distributing a material that is conveyed, a vibratory distribution conveyor includes a deck having a distribution edge. The distribution edge extends between an inlet end and an end remote therefrom and the deck is su... | 09/05/2000 |
| 6041915 | Vibratory conveyor with side-mounted drivers A vibratory conveyor assembly including a material transporting trough driven by oscillating motion which imparts a force causing materials located in the trough to be advanced. The conveyor includes a continuous, unitary saddle plate attached about the t... | 03/28/2000 |
| 6029796 | Two way vibratory conveyor Drive motor size and energy costs are reduced in a bidirectional vibratory conveyor that includes a bed (10) with an elongated generally horizontal conveying surface (16) terminating an opposite ends (12, 14). Isolation springs (26) mount the bed (10) abo... | 02/29/2000 |
| 6024210 | Electrically coupled multiple shaft drive system for vibrating equipment The control system of the present invention is particularly usable with extended vibration conveyors and permits the installation of a multiple of drive vibratory drive units comprised of one or more vibratroy modules. Each module comprises a motor, one o... | 02/15/2000 |
| 5979640 | Vibrating conveyor drive with continuously adjustable stroke A conveyor drive having a first crank (44) rotatably mounted to a base (24) for producing a first sinusoidal harmonic and a second crank (62) rotatably mounted to a conveying trough (22) for producing a second sinusoidal harmonic. A link (66) is connected... | 11/09/1999 |
| 5938001 | Vibratory conveyor apparatus with phase-optimized conveyor drive A vibratory conveyor apparatus includes a vibratory drive having first and second pairs of counter-rotating drive shafts, with first and second eccentric weight sets respectively mounted on the drive shafts. In distinction from previous constructions, the... | 08/17/1999 |
| 5762176 | Belt driven vibratory apparatus A vibratory apparatus for use with associated vibratory conveyance equipment includes a pair of counter-rotating shafts respectively carrying counter-rotating eccentrically mounted weights for generating vibratory forces attendant to counter-rotation of t... | 06/09/1998 |
| 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 weight member and such that as the motor attains operating... | 09/16/1997 |
| 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 |
| 5547068 | Center beam two mass vibratory device A vibratory device operating as a two mass vibrating system having an exciter mass and a work member mass spring coupled and supported by isolator springs and operating at a frequency less than the natural frequency of the system. Two or more cylindrical ... | 08/20/1996 |
| 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 |
| 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 |
| 5301814 | Increasing the relative motion of a screen deck The screening efficiency of a gyratory screening machine, of the type having a moving base, is significantly increased by mounting to the base a spring/mass system which is tuned so that operation of the machine drive produces amplified movement of the ma... | 04/12/1994 |
| 5265730 | Vibratory screen separator A vibratory screen separator having a base, resilient mountings and a separator frame. Screens are fixed in the separator frame. Rotary eccentric vibrators are positioned on each side of the frame at the center of mass and inclined both in the direction o... | 11/30/1993 |
| 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 |
| 5178259 | Vibratory conveying apparatus A vibratory conveying apparatus including a material carrying member having a material supporting surface is disclosed. The apparatus includes first and second vibrators for producing first and second vibratory forces for imparting movement to the materia... | 01/12/1993 |
| 5131525 | Vibratory conveyor A vibratory conveyor is provided that has only horizontal conveying motion acting on material lying in the plane of an elongate trough. A vibration generating apparatus is positioned selectively between the ends of the conveying trough. The vibration gene... | 07/21/1992 |
| 5064053 | Vibratory drive system for a vibratory conveyor apparatus and a conveyor apparatus having same A vibratory drive system for a vibratory conveyor apparatus is operable to selectively vary the conveying speed of the conveyor apparatus between zero, or stand-still, up to a maximum speed while the drive system is operating imparting a vibratory conveyi... | 11/12/1991 |
