Class 474/167 - With particular belt

Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter also including structure of a belt* engageable
No. of patents: 37
Last issue date: 02/01/2011

Number	Title	Issue Date
7878931	Drive mechanism for barrier operator An electric motor driven barrier operator includes spaced apart frame plates for supporting the motor, an intermediate drive shaft and an operator final output shaft. The motor output shaft, intermediate shaft and final output shaft are mounted on bearings at fixed ...	02/01/2011
7361108	Continuously variable transmission A continuously variable transmission with two conical disk pairs on the input side and two conical disk pairs on the output-side that are connected with each another by two parallel endless torque-transmitting members in a drive mechanism. In one form of the transmi...	04/22/2008
7025928	Method of flow forming a metal part A method of flow forming sintered metal parts. The first step is forming a round disk by conventional powder metal process. The disk can be a donut shape part with or without a flange on one side of its outer diameter. The disk can then be copper impregnated or used...	04/11/2006
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
6919115	Thermally conductive drive belt The present invention provides for a power transfer belt that is manufactured of a highly thermally conductive polymer composition, in contrast to the typical rubber material used to fabricate the belts of the prior art. The new and unique belt of the present invent...	07/19/2005
6716125	Pulley with belt-wiping surfaces A pulley plate, a pulley and a belt drive system are disclosed. Each include a pulley plate or a pulley having an inner surface adapted to be driven about an axis of rotation and having a perimeter. The inner surface additionally includes a plurality of belt-wiping ...	04/06/2004
6165093	Pulley with belt-wiping surface A pulley plate for use with an opposing pulley plate wherein the plates are configured so as to receive a belt therebetween. The pulley plate includes an inner surface and an outer surface. The inner surface is opposite the outer surface and is adapted fo...	12/26/2000
6165087	Figure-eight shaped drive belt A figure-eight shaped drive belt for use within a pulley system, including a drive belt having a preformed figure-eight configuration. The figure-eight configuration includes a first circular-shaped loop and a second circular-shaped loop, such that the fi...	12/26/2000
5957794	Continuously variable all speed transmission A continuously variable all speed transmission apparatus employs a conically-shaped driven surface which is frictionally contacted by a taut endless compliant transmission member that extends to a circular power source such as the pedal hub of a bicycle. ...	09/28/1999
5931756	Metal V-belt type continuously variable transmission A metal V-belt type continuously variable transmission in which the length of a side of an element contacting with a V-face of a pulley is shortened to increase a ratio range. If the element side length of a metal element is represented by L, the angle of...	08/03/1999
5630769	Tension roller for belt drives The invention concerns a tension roller made of a plastic material for adjusting a tension in a belt drive, comprising a wheel (7) having an inner ring (9) and an outer ring (10) connected to each other by axially oriented, circumferentially spaced ribs (...	05/20/1997
5518460	Belt construction and combination with a pulley The combination of an endless power transmission belt construction and a pulley therefor, the belt construction and methods of making the same are provided, the belt construction having opposed inner and outer surfaces with one surface defining a pluralit...	05/21/1996
5411444	Belt transmission mechanism A belt transmission mechanism has a crowned drive pulley, a crowned driven pulley, and a belt trained under tension around the crowned drive pulley and the crowned driven pulley. The crowned drive pulley and the crowned driven pulley are dimensioned to sa...	05/02/1995
5318248	Vertical lift aircraft A vertical lift aircraft comprising an aircraft body and a lifting assembly is presented. The lifting assembly comprises a frame wherein at least one airfoil assembly which includes a plurality of airfoils attached to a drive ring is secured. As the drive...	06/07/1994
5019019	Pulley tire rim configuration A pulley comprising a hub (12) having a substantially cylindrical outer face and a pair of rim halves (11a and 11b) adapted to be mounted to the hub and having opposed inner axial faces which are divergent with respect to each other, a separable pulley ti...	05/28/1991
4995855	Flat belt transmission A flat belt transmission has two spaced flat pulleys and a flat belt reeved around the flat pulleys. Each pulley can have a plurality of crowns arranged in the width direction of the outer periphery thereof. The flat belt can be a plurality of belts with ...	02/26/1991
4981462	Belt construction, rotatable pulley and combination thereof and methods making the same An endless power transmission belt construction, a rotatable pulley therefor, a combination of the belt construction and pulley and methods of making the same are provided, the belt construction having opposed side edges and having an inner surface defini...	01/01/1991
4913687	Power-transmission sheave having enhanced belt engagement capability Power-transmission sheaves conventionally include a centrally-open and shaft-engageable hub portion surrounding a directionally transversely extending hub-axis and together with at least one grooved belt-training portion that is surroundably connected to ...	04/03/1990
4900295	Belt transmission device for motorcar engines and auxiliary devices In a belt transmission apparatus utilized between an engine of a motorcar and an auxiliary apparatus thereof, a pulley groove angle θ of V-belt pulleys is set in the range of 45° to 60°, where slip of the belt easily occurs. A belt angle ଱ betwee...	02/13/1990
4900294	Garage door opener drive mechanism An automatic garage door opener mechanism having improved safety and security is disclosed, which comprises: (a) an electrically-operated motor capable of turning an internal shaft, said shaft having at one end thereof a plurality of annular grooves and r...	02/13/1990
4840607	Pulley for poly-v belt A weight reduced pulley for "K" type poly-v belt systems includes a body having an outer cylindrical surface. A plurality of raised ribs extend from said surface and run circumferentially around said surface. A plurality of trough areas are positioned bet...	06/20/1989
4612761	Drive for spinning or twisting machine A drive system drives a plurality of whorls rotatable about respective whorl axes and having radially outwardly directed faces centered on the respective axes, forming a discontinuous whorl surface, and of a predetermined whorl width measured parallel to ...	09/23/1986
4589859	Continuously variable transmission A continuously variable transmission for a vehicle (FIG. 1) has a drive pulley (4), a driven pulley (11), and a tension pulley (19) each having a pair of axially spaced rotors. The opposed inner faces of the rotors of each pulley are formed with slopes wh...	05/20/1986
4553951	Non-slip pulley and belt drive In a belt and pulley system wherein motion is transferred between the two members, the belt is a metal belt having a pulley engaging face made of a relatively soft material and the pulley is one having a regular pattern of small hard protuberances, such a...	11/19/1985
4525158	Belt-pulley drive mechanism A belt-pulley drive mechanism comprising a pulley having a plurality of circumferentially extending grooves of V-shaped cross-sectional configuration, a belt adapted to be passed around the pulley and stretched under tension so that the belt is engaged wi...	06/25/1985
4464148	Ribbed belt A method of making a ribbed belt having a plurality of longitudinally extending ribs is provided, wherein a vulcanized belt sleeve is put into one mandrel or said belt sleeve laid over two mandrels and cut with a milling attachment combining multiple doub...	08/07/1984
4449958	Positive tracking pulley and belt construction An endless belt apparatus (10) which can be used in either a timing, driving, and/or load carrying system, has a generally cylindrical drive pulley (12) in the outer surface (22) of which is provided recesses for engaging with an associated belt (26) incl...	05/22/1984
4344761	Side-bar chain for cone pulley transmissions In a side-bar chain for an infinitely variable cone pulley transmission, which chain is composed of packs of side bars forming successive links which are articulatedly connected with one another, and thrust pieces acting transversely of the longitudinal d...	08/17/1982
4324147	Variable cross section V-belt My invention relates to a method of power transmission using a new type belt drive. This belt drive will supply both axial motion with a speed reduction or increase and will also change a rotative force into a reciprocating force. All of this would be acc...	04/13/1982
4225036	Endless belt conveyor A flexible endless belt in a belt-type conveyor for an agricultural machine has a central rib bonded to its inside surface, the construction and cross section of the rib being similar to that of a power transmission-type V belt. The conveyor rollers have ...	09/30/1980
4196640	Belt transmission and associated belt pulley and belt A belt drive transmission comprises a plurality of belt pulleys over which passes at least one stretched drive belt composed of elastomeric material and having a substantially rectangular cross-section. At least one of the pulleys, especially a relatively...	04/08/1980
4127040	Located belt A flat belt is provided with spaced cleats aligned along the length of the belt for non-driving engagement with a peripheral pulley groove. The cleats are cast in place with a form system installed temporarily on opposite sides of a groove in the covering...	11/28/1978
4070919	Belt drive system A belt drive system comprises a drive belt extending between driving and driven shafts. The belt has a flat part, and a rib extending from one surface of the flat part into an annular groove formed in each of the shafts. The grooves are of complementary c...	01/31/1978
4048863	Friction drive A friction drive having a drive wheel with annular friction bands peripherally mounted on opposed sides thereof. A friction chain comprises a plurality of inverted generally V-shaped friction links swingably interconnected in series by side plates. The fr...	09/20/1977
4015484	Guide pulley for wide belts A guide pulley for wide belts is comprised of two smooth cylindrical cylinders secured to or journaled on a shaft in spaced relation and a grooved pulley freely journaled on the shaft intermediate the two cylinders for the reception of a guide rib integra...	04/05/1977
3987683	Poly-V-belt and pulley mechanism A poly-V-belt and pulley mechanism including a rib-and-groove tractive face belt for service as a transmission belt, conveyor belt or the like, and a pulley over which the belt is trained. The pulley has a spool with grooves and ribs to correspond to and ...	10/26/1976
3980174	Closed loop ribbed belt/grooved pulley conveyor system A closed loop conveyor system comprising a cylindrical drive pulley and a cylindrical return pulley, each including at least one groove having a generally W-shaped transverse cross section, and a conveyor belt disposed around the drive pulley and return p...	09/14/1976

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Class 474/167 - With particular belt