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| Number | Title | Issue Date |
| 8133142 | Belt pulley for the output shaft of a gear, gear, electric motor, and output shaft The invention relates to a belt pulley for the output shaft of a gear being driven by an electric motor, with a support for a drive belt at the outer periphery and a receptacle for an axle in the centre, where the receptacle for the axle involves a first region, the... | 03/13/2012 |
| 8070634 | Synchronous belt sprocket A sprocket comprising at least one groove for engaging a toothed belt, said groove having a flank, the flank having a groove tip radii (R1) of between approximately 105% and approximately 125% of a belt tooth root radii (R8) when the toothed belt is in... | 12/06/2011 |
| 7850562 | Low friction, direct drive conveyor belt A thermoplastic endless belt (100) has a smooth outer surface substantially free of discontinuities and an inner surface with a plurality of teeth (106) at a given belt pitch. The teeth are adapted to engage a pulley (102) with circumferentially... | 12/14/2010 |
| 7850563 | Power transmission mechanism and manipulator A power transmission mechanism comprising: a flexible power transmission element; a pair of a drive pulley and a driven pulley on which the flexible power transmission element is wound, each the pulley having a pin-embedding hole formed to extend from the outer circ... | 12/14/2010 |
| 7300373 | Power transmission mechanism and manipulator A power transmission mechanism comprising: a flexible power transmission element; a pair of a drive pulley and a driven pulley on which the flexible power transmission element is wound, each the pulley having a pin-embedding hole formed to extend from the outer circ... | 11/27/2007 |
| 7294078 | Over-molded beaded cable for driving applications An over-molded beaded driving cable which has an inner core, a plurality of inner core structures. An outer jacket may encompass the inner core and inner core structures. Each of a plurality of outer beads concentrically surrounds an inner core structure. The outer ... | 11/13/2007 |
| 7290779 | Bicycle shift control apparatus that cancels a tentative shift A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a current running condition value passes the threshold value, and a ten... | 11/06/2007 |
| 7270619 | Linear belt actuator a linear actuator capable of transmitting tractive forces as well as thrust forces and operating then as a rigid single-piece rod. The linear actuator has two identical actuating belts (1, 1′) with notches on each of their sides (10, 10′; 11, 11′... | 09/18/2007 |
| 7244206 | Roller chain transmission device In a roller chain transmission, the diameter D of the rollers, the outer diameter d of the pins and height H of the inner plates satisfy the relationships 0.72P≦D≦0.79P, 0.40P≦d≦0.44P, and 0.96P≦H, with respect to the chain pitch P. The sprocket teeth are ... | 07/17/2007 |
| 7217210 | Tooth shear resistant power transmission belt A belt has a plurality of spaced apart teeth, at least one tensile cord extending along the belt spaced from the teeth, and a tooth stock material filling the teeth and encapsulating the tensile cord. A reinforcement cord is incorporated into the belt to generally f... | 05/15/2007 |
| 7144345 | Toothed belt transmission A toothed belt transmission is provided in which a toothed belt is trained around drive and driven pulleys. Each toothed pulley has a circumferential periphery formed with a plurality of teeth. Adjacent teeth are assigned as a first tooth portion and a second tooth ... | 12/05/2006 |
| 7125356 | Tension-reducing random sprocket A sprocket is provided having a plurality of teeth around its circumference. Adjacent teeth are separated by roots each having a root radius defined as the distance between the center of the sprocket and a point along the root closest to the sprocket center in a rad... | 10/24/2006 |
| 7114788 | Angled traction lugs for endless band This invention refers to the traction lugs of reinforced elastomeric endless traction bands, and more particularly to those which are used on heavy vehicles like defense vehicles or for skid steer vehicles. More specifically, the invention relates to traction lugs w... | 10/03/2006 |
| 7101296 | Synchronous rear belt drive system for motorcycles and method of use A synchronous rear belt drive system for belt driven motorcycles and a method of altering the final drive ratio of such motorcycles utilizing the present rear belt drive system is disclosed. The present rear belt drive system provides a plurality of interchangeable ... | 09/05/2006 |
| 7077774 | Roller chain transmission device In a roller chain transmission, the diameter D of the rollers, the outer diameter d of the pins, and the height H of the inner plates satisfy the relationships 0.72P≦D≦0.79P, 0.40P≦d≦0.44P, and 0.96P≦H, with respect to the chain pitch P. The radius r of th... | 07/18/2006 |
| 7040456 | Elevator car drive and support belt having a twisted orientation An elevator system includes a roller arrangement and a belt for supporting an elevator car. The roller arrangement has two rollers with approximately parallel axes of rotation and structured circumferential surfaces engaging a complementary structured surface of the... | 05/09/2006 |
| 6970674 | Belt transporting device and image forming apparatus using the same A belt transporting device for circulatingly transporting an endless belt, which is in use with an image forming apparatus, such as copying machine or a printer. The belt transporting device includes a plurality of tension rolls, an endless belt laid on the tension ... | 11/29/2005 |
| 6945387 | Bottom surface drive for an endless belt in a conveyor system A top surface and a bottom surface of an endless belt. The bottom surface having a longitudinal row of spaced apart pairs of pocket attached. Openings in each pocket of a pair opposed to each other, the pocket pairs mounted equidistant between the belt sides. A clip... | 09/20/2005 |
| 6932732 | Toothed belt wheel with a collar A cog belt pulley defining an axis of rotation having an outer circumferential surface oriented about the axis of rotation and including a plurality of teeth for engagement with at least one cog belt. The pulley is distinguished in having at least one flange segment... | 08/23/2005 |
| 6918849 | Power transmission belt containing chopped carbon fibers An endless power transmission belt having (1) a tension section; (2) a cushion section; and (3) a load-carrying section disposed between the tension section and cushion section; and the belt contai... | 07/19/2005 |
| 6875140 | Engine auxiliary unit driving equipment Engine auxiliary unit driving equipment for transmitting an engine driving force from a crank pulley to a plurality of engine auxiliary units include an alternator and a driven poly-V pulley, provided at least in the alternator, has a plurality of grooves extending ... | 04/05/2005 |
| 6869375 | High output force actuator for an active vibration control system An active vibration control system provides a mass which is movable through a large excursion while minimizing the system size in two of three dimensions to compensate for sensed vibrations. A first rotating member is rotatable about a first axis and a second rotati... | 03/22/2005 |
| 6705962 | Relocation device A drive unit of a carriage has a drive wheel and a deflector, offset parallel to a racks both of which are implemented as gearwheels, around which a closed elastic toothed belt with teeth on both sides is guided, whose inner teeth engage with the wheels described an... | 03/16/2004 |
| 6672983 | Power transmission drive system A drive system comprising a driver pulley, a driven pulley (22), and a belt (10). The belt (10) has a pulley engaging surface (16) comprised of a plurality of transversely extending self-tracking teeth (18). The driven pulley (22) has a non-grooved, crown... | 01/06/2004 |
| 6648784 | Idler sprocket A belt drive system and toothed idler sprocket having an arcuate pitch to significantly reduce noise. The toothed idler sprocket having a pitch sufficient to cause proper engagement between a belt and the sprocket at a minimal belt wrap angle.... | 11/18/2003 |
| 6637286 | Drive device for motor vehicle sliding sunroofs A quiet drive device for motor vehicle sliding sunroofs is proposed capable of withstanding even strong drive forces and permitting an equal, that is to say, smooth displacement of a cover of the motor vehicle sliding sunroofs. The drive device comprises ... | 10/28/2003 |
| 6575862 | Toothed belt power transmission system A toothed belt power transmission system includes a toothed belt having evenly spaced teeth adapted to mesh with evenly spaced teeth on a toothed pulley for power transmission. The belt teeth have a curved engagement surface including a convexly arcuate t... | 06/10/2003 |
| 6484423 | Dragline rigging system The invention relates to a dragline rigging system (10) which includes a pair of drag lines (12) connected to drag connection points (24) on a dragline bucket (18) for dragging the bucket through material to be excavated, a pair of hoist lines (14) connec... | 11/26/2002 |
| 6485384 | Toothed belt, toothed belt power transmission apparatus, and business equipment employing the same Disclosed is a belt tooth portion 11 of a toothed belt 8 incorporated in a toothed belt power transmission apparatus for use in equipment for business use. The belt tooth portion 11 comprises tooth root portions 12 formed of circularly arcuate surfaces wh... | 11/26/2002 |
| 6264579 | Toothed belt with positioning-aiding and position-identifying functions In a toothed belt including at least one positioning-aiding/position-identifying tooth and a large number of driven teeth engageable with a driving toothed pulley, the positioning-aiding/position-identifying tooth is formed in a predetermined positio... | 07/24/2001 |
| 6227994 | Pulley, ball bearing and belt transmitting device Means are provided for effectively restricting or preventing occurrence of abnormal noise under cold ambient. The means are durable, cost effective and also keep the function of a pulley. A ball bearing 2 of a single row type includes an outer ring 2a and ball... | 05/08/2001 |
| 6224508 | Trunnion of a toroidal continuously variable transmission and manufacturing process thereof A trunnion (3) of a toroidal continuously variable transmission comprises a pulley (38) having a pulley groove (30) and a notch (37) crossing the pulley groove (38). The trunnion (3) rotates in synchronism with another trunnion by looping an endless wire ... | 05/01/2001 |
| 6142901 | Belt drive A belt drive includes a toothed belt and a toothed wheel which have engaging tooth ribs and tooth grooves. The tooth ribs and the tooth grooves extend in an arcuate shape over the breadth of the toothed belt. The toothed wheel is of complementary construc... | 11/07/2000 |
| 6123473 | Belt drive arrangement for a printhead carriage A reciprocating belt drive arrangement for the printhead carriage of a printer comprises an endless belt looped around a toothed drive pulley, which engages a toothed part of the belt, and an idler pulley with circumferential grooves which are arranged to... | 09/26/2000 |
| 6099427 | Self-cleaning pulley device and toner image reproduction machine including same A self-cleaning pulley device includes a cylindrical member including a body portion having an outer surface; a series of spaced apart recesses formed from the outer surface into the body portion, each recess of the series of recesses having a root portio... | 08/08/2000 |
| 6090003 | Random engagement roller chain sprocket having improved noise characteristics A unidirectional roller chain sprocket for use primarily in automotive engine chain drive applications which incorporates an asymmetrical tooth for improved noise reduction. The sprocket includes a first plurality of sprocket teeth each having a first eng... | 07/18/2000 |
| 6050916 | Toothed belt or chain drive arrangement having a tooth with different flank geometry from other teeth A toothed belt drive or chain drive has at least one toothed gear wheel and at least one toothed belt or chain. At least one tooth of the toothed gear wheel and/or at least one tooth of the toothed belt or at least one link of the chain has a flank geomet... | 04/18/2000 |
| 5984816 | Toothed power transmission belt and drive system using the power transmission belt A drive system having a belt with a length and a plurality of teeth spaced regularly along the length of the belt and a first pulley having a plurality of grooves for receiving the belt teeth with the belt and first pulley in operative relationship. The s... | 11/16/1999 |
| 5976045 | Random engagement roller chain sprocket having improved noise characteristics A unidirectional roller chain sprocket for use primarily in automotive engine chain drive applications which incorporates an asymmetrical tooth for improved noise reduction. The sprocket includes a first plurality of sprocket teeth each having a first eng... | 11/02/1999 |
| 5908364 | Chain drive mechanism having noise preventing structure A noise preventing roller chain structure greatly reduces noise generated when a roller chain engages a sprocket or travels on a chain guide. The roller chain has a roller whose axial length is less than the space between opposed inner plates of the chain... | 06/01/1999 |
