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| Number | Title | Issue Date |
| 7341437 | Capacity-changing unit of orbiting vane compressor Disclosed herein is a capacity-changing unit of an orbiting vane compressor that is capable of selectively accomplishing compression or communication in inner and outer compression chambers of a cylinder through simple manipulation of a valve, thereby easily changin... | 03/11/2008 |
| 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 shafts is arranged adjacent to a first unbalance shaft pair as a tipping... | 12/04/2007 |
| 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 transmission mechanism (12) to a turning device (5... | 09/18/2007 |
| 7270024 | Rotary shaft hermetic sealing device A drive crank shaft and a load shaft with an eccentrically placed center shaft coupler form a mechanical torque transferring structure. Two convoluted rubber seals mounted on a center shaft coupler, a drive shaft support an a load shaft support enclose the working f... | 09/18/2007 |
| 7066681 | Shaft assembly for a vibratory roller An eccentric shaft assembly for a vibratory roller utilizes a cylindrical tubular shaft that considerably reduces the weight of the assembly, decreases substantially oscillatory shaft deflection during rotation and thereby improves bearing and seal life. The eccentr... | 06/27/2006 |
| 7032584 | Spiral mass launcher A spiral mass launcher for moving a mass including a spindle support assembly; connected to a swing-arm pair module. The spindle support assembly rotates on a motor shaft, allowing the swing-arm pair module to swing on a parallel bearing shaft. A spiral track passes... | 04/25/2006 |
| 6949043 | Eccentric drive reduction gear for a transmission component winding drum An eccentric reduction gear for a vehicle window winder system has a ring gear, a planet pinion that is eccentric relative to the ring gear, a drive component that drives the planet pinion and the ring gear so that they roll relative to each other, and a winding dru... | 09/27/2005 |
| 6923577 | Scroll thrust bearing A scroll thrust bearing having both-end conical rollers are rolling elements, being low in cost, high in precision, large in load capacity, and excellent in durability. A plurality of both-end conical rollers are held rotatably between a pair of bearing plates, and ... | 08/02/2005 |
| 6807878 | Device to provide continuously variable gear reduction A torque transmission device for providing steplessly variable torque conversion. The torque transmission device has a set of unidirectionally-rotatable, slotted levers radiating from a first axis, capable of engaging a torque output ring which is also rotatable on ... | 10/26/2004 |
| 6712055 | Spiral mass launcher A spiral mass launcher is disclosed. The spiral mass launcher includes provisions that permit greater packing density and permit better support of a track. Some of these provisions include the use of specially designed angled swing arms. The spiral mass launcher als... | 03/30/2004 |
| 6199439 | Simple device producing both action effect and electronic effect A simple device producing both action effect and electronic effect includes a housing, an elastic driving mechanism and an electronic control circuit with a vibration sensor. The elastic driving mechanism has an elastic member, a transmitting shaft, a pow... | 03/13/2001 |
| 6014964 | Method and apparatus for moving a mass in a spiral track The velocity of a mass is monotonically increased from an initial non-zero value at the time it enters a spiral track. A drive gyrates the track about an axis so the mass makes each turn around the track in about the same period of time. The drive include... | 01/18/2000 |
| 6009767 | Same-RPM rotary motion to eccentric rotary motion conversion A device and method to convert ordinary rotary motion of input frequency Ω into a composite motion with the same primary frequency Ω plus an eccentric motion at a higher frequency ω enables a low speed rotary input to drive a higher-speed eccentric mot... | 01/04/2000 |
| 5950608 | Method of and apparatus for moving a mass A mass located in a track defined by a closed, continuous path is gradually and smoothly accelerated or decelerated by controlling movement of the track so a portion of the track where the mass is sensed to be located is moved inwardly (for acceleration) ... | 09/14/1999 |
| 5888128 | Hand grinder A hand grinder, comprising a housing, a motor arranged in the housing, a tool holder with a grinding tool received in the tool holder, a work shaft driven by the motor, two rotary bearings which support the work shaft, a compensating unit arranged on the ... | 03/30/1999 |
| 5846000 | Roller bearing and assembling method for roller bearing A roller bearing by far less costly and highly accurate compared with conventional products and having double-cone rollers as rolling elements. A plural number of track pockets are provided facing a pair of parallel bearing plates, double-cone rollers are... | 12/08/1998 |
| 5797822 | Infinitely variable rotary drive transmission system An infinitely variable rotary drive transmission system which provides a true infinitely variable speed range that begins with zero output and accelerates smoothly and steplessly into the over-drive range, provides limitless horsepower capacity and does n... | 08/25/1998 |
| 5758978 | Thrust ball bearing The inner circumference 4a2 of the bearing ring 4a is square-shaped, and the outer circumference 4a3 thereof is circular. The shoulder 1a1 of the attaching portion 1a of the scroll member 1 is formed to be square-shaped, corresponding to the inner circumf... | 06/02/1998 |
| 5699779 | Method of and apparatus for moving a mass A mass located in a track defined by a closed, continuous path is gradually and smoothly accelerated or decelerated by controlling movement of the track so a portion of the track where the mass is sensed to be located is moved inwardly (for acceleration) ... | 12/23/1997 |
| 5482212 | Vehicle washing machine A vehicle washing machine is disclosed having an inverted U-shaped housing mounted for movement lengthwise of a stationary vehicle and return movement to an initial reference position during a vehicle washing cycle of the machine. The housing includes fir... | 01/09/1996 |
| 5235865 | Transmission mechanism for music box ornament A mechanism is used for transmitting the power output of a power drive source such as a wind-up music to an ornament supported thereon. The transmission mechanism has a first drive wheel mounted on a power output shaft of the power drive source at one end... | 08/17/1993 |
| 5163789 | Device for producing drilled holes with an undercut A device for producing drilled holes with an undercut in facing panels includes a drill bit with a drill head that produces an undercut, and a drilling table for supporting a facing panel in which the drilled holes with an undercut are to be produced and ... | 11/17/1992 |
| 5121646 | Driving mechanism of multi-action doll The invention relates to the driving mechanism of multi-action doll. The driving mechanism comprises an eccentric roller, a cross-shaped driving component and several driving gears. The cross-shaped driving component has a rectangular hole which accommoda... | 06/16/1992 |
| 5104231 | Vortex mixer drive An apparatus for providing linear motion in two opposed directions and circular motion in a first direction using a single drive motor.... | 04/14/1992 |
| 5066135 | Rotatable vortexing turntable A rotatable turntable for vortexing reactants comprises a vortexing plate which is rotatable. The motor drives for vortexing and rotation are stationary such that simple mechanical and electrical connection relative to the peripheral supports and to the v... | 11/19/1991 |
| 5048356 | Wobble device A wobble device is provided including a circular platform, a structure for pivoting the platform to achieve a wobbling movement, a shaft transverse to and positioned in a center of the platform, a moveable carriage rotatably attached through an arm to the... | 09/17/1991 |
| 5024114 | Wobble drive for a translationally moving structural part A wobble drive mechanism for a translationally moving structural part includes a wobble rod which is moved by way of a crank drive mechanism. The wobble rod includes a spherical section at one end thereof that is seated in a bearing bush of a crank. At it... | 06/18/1991 |
| 5016493 | Variable speed gearing assembly A mechanical transmission device to provide selective gear speed output from a constant input. A variation gear affixed to an adjustable crank determines output speed of a free floating following gear and connecting rod assembly dependent on the relative ... | 05/21/1991 |
| 4954832 | Apparatus for simultaneously rotating a plurality of parallel shafts Apparatus is provided for simultaneously rotating a plurality of parallel shafts connected, for example, to an array of rf switches that feed energy to or from an array of antenna feed horns. Each shaft is connected by a separate crank to a planar drive p... | 09/04/1990 |
| 4929087 | Method for applying vibrations to a resilient support and apparatus for putting this method into practice A method and apparatus are provided for applying multidirectional vibrations to a resilient support. The excentric of the unidirectional vibration generator cooperates with a spherical shaped member mounted for free rotation on the lower face of the vibra... | 05/29/1990 |
| 4891916 | Oscillatory or translational table for machine tools An orbital table assembly having a top plate which can be made to orbit or translate in a path without rotating, and having a fixed base plate under said top plate and a linkage plate between the two other plates, while an orbiting cam secured to the top ... | 01/09/1990 |
| 4884465 | Device for obtaining a directional centrifugal force A device for obtaining a directional force from a rotary motion has a frame rotating about a longtiudinal axis at a selected angular speed. A weight is connected to the frame and rotates about a transverse axis at the same angular speed. When the weight h... | 12/05/1989 |
| 4832586 | Drive assembly with different eccentricities In the embodiment of the invention described in the specification, a drive assembly for an eccentrically driven mass has a drive shaft which drives the mass by a first eccentric device and a secondary shaft, driven synchronously with the drive shaft, whic... | 05/23/1989 |
| 4795323 | Scroll machine with anti-rotation mechanism The diameter of an orbiting scroll plate is increased and the periphery of the plate is notched or scalloped to clear the bolt bosses or spacers located between the fixed scroll and crankcase. The bolt bosses act as guides for the notches in the orbiting ... | 01/03/1989 |
| 4757722 | Motion conversion apparatus A mechanism is disclosed for transforming reciprocating/rotating motion in which the reciprocating member is continuously rotated unidirectionally so as to perform 360 degrees of rotation over the course of each cycle of reciprocity, into any number of si... | 07/19/1988 |
| 4715733 | Antifriction thrust bearing for orbital motion A thrust bearing for use between two parallel plates in relative orbital motion. The bearing includes a plurality of rollers disposed between the plates. Each roller comprises two opposing cones joined at their base with one cone in rolling line contact w... | 12/29/1987 |
| 4656788 | Variable orbital drive mechanism A mechanism for imparting relative orbital motion to at least two associated driven elements. The driven elements are driven in an eccentric path, usually with a common drive axis, where the angular displacement of each such path is controlled while relat... | 04/14/1987 |
| 4643416 | Amusement ride vehicle An amusement ride vehicle having a passenger gondola the ends of which are adapted to move in substantially vertical orbits diposed on planes parallel to each other. Two supports having a predetermined spacing therebetween are provided from which the pass... | 02/17/1987 |
| 4561346 | Device for vibrating a deep frying pan A device is disclosed for oscillating and vibrating a deep pan so that the contents in the pan are thoroughly and evenly cooked without the chef's continual attention. The device is moved back-and-forth via a lever arm connected to a rotating disc. The le... | 12/31/1985 |
| 4555183 | High speed test tube agitator apparatus A laboratory mixer includes a test tube supporting cup means that translates in a circular path at high speed without rotating thereby creating an effective vortex in the materials in the test tube. A motor is mounted in the apparatus housing and supports... | 11/26/1985 |
