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Class 474/168 - Including plural, coaxial, circumferential belt-receiving grooves


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein two or more pairs of belt*-engaging
No. of patents: 38
Last issue date: 08/09/2011


NumberTitleIssue Date
7993227Hub for power transmission apparatus
A hub for use in a power transmission apparatus comprises cylindrical portion 81 and outer ring 83 including a plurality of tongue-like reinforcing portions 83c each protruded radially inward from the peripheral end of the corresponding o...
08/09/2011
7410435Hydraulic pipe mechanism for industrial vehicle
A hydraulic pipe mechanism for an industrial vehicle includes a pulley shaft, a plurality of hydraulic hoses and a pulley set. The pulley set is provided on the pulley shaft and has at least first and second hose pulleys that are rotatably supported on the pulley sh...
08/12/2008
7364522Pulley for power transmission belt and belt power transmission device
A pulley body 5 is provided at its both sides with power transmission members 6, 6. When a flat belt 3 becomes misaligned relative to the center of the pulley body 5 and comes into contact with one of the power transmission members 6
04/29/2008
7364594Dyeing composition for keratinous fibres comprising an associative polymer and a polymer with acrylamide units, dialkyldiallylammonium halide, and vinylic carboxylic acid
The invention concerns a composition for dyeing and in particular oxidation dyeing of keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye and/or a direct dye and ...
04/29/2008
7347769Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools
An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ...
03/25/2008
7204774One-piece drive pulley and belt guide
In one-piece combination, a drive pulley and belt guide for a belt-driven machine. The pulley has a belt-driving section configured for engagement by the belt and a belt-guiding section integral with the belt-driving section. The belt-guiding section has a conically...
04/17/2007
7159772Apparatus and method for mounting an RF tag on a conveyor trolley
A system for mounting an RF tag to a conveyor trolley wherein the tag is embedded in a block of material shaped to fit within an annular recess formed between the hub and outer rim of the trolley wheel. The shaped block is secured to the wheel. ...
01/09/2007
7070170Cable sheave for a cableway system
A cable sheave for cableway systems has a hub and a sheave surface extending outwardly from the hub. The sheave surface may be formed of spokes and a cable groove is formed on its periphery. Fastening devices are provided in the sheave surface for rigidly connecting...
07/04/2006
7008341Reduced noise multi-ribbed power transmission belt
A multi-ribbed power transmission belt has transverse grooves in the compression section which are oriented at angles other than perpendicular. The combination of longitudinal grooves and transverse grooves form a plurality of cogs on the belt surface, with a row of...
03/07/2006
6941651Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley
A pulley and bearing assembly and a method of inserting and fastening a bearing within a pulley having an axially extending cylindrical hub portion with an axial bore forming an inner periphery of the pulley and a pair of opposite ends, an annular belt groove portio...
09/13/2005
6488604V-belt pulley
V-belt pulley comprising an outer rim (2) provided with at least one V-belt groove (7) formed by turning, said groove (7) having a bottom (9) provided with a plurality of radially through-going and circumferentially interspaced openings (8). The pulley is...
12/03/2002
6139457Sheet metal pulley
A sheet metal pulley has a base part and a cylindrical peripheral wall for winding a belt formed integrally with the base part. An ear is disposed in an end part of the cylindrical peripheral wall. The base part is partitioned into an inner peripheral por...
10/31/2000
6071205Multi-stepped pulley, method of manufacturing same, and apparatus for manufacturing same
A multi-stepped pulley, and a method and apparatus for manufacturing the same, wherein the mechanical strength is increased while keeping down an increase of mass and a rise of manufacturing costs by pressing against portions of a surface of a hollow meta...
06/06/2000
5967925Pulley with controlled surface irregularity for an internal combustion engine
An accessory drive system for an internal combustion engine includes a multi-ribbed belt and pulley system. Shear generators are machined, formed or molded and extend axially from the driving pulley's faces such that the shear generators expand the drive ...
10/19/1999
5792294Method of replacing sheave liner
A sheave liner for an elevator system sheave that supports a hoist rope with an elevator car suspended therefrom is replaced without having to remove the hoist ropes and without having to hang the elevator car by means other than the hoist ropes. The exis...
08/11/1998
5704862Dual sided poly-V drive belt and pulley therefor
This invention relates to dual-sided multi-ribbed power transmission belts having a plurality of longitudinally extending, transversely spaced alternating ribs and grooves with the ribs having a distance between their midpoints of a pitch P on both sides ...
01/06/1998
5626532Drive assembly with interference-fit mounted lightweight non-ferrous pulley
A drive assembly for rotating a shaft of a pulley-driven device is disclosed together with a method of making the drive assembly. The method includes the steps of forming a pulley of lightweight non-ferrous metal having a web portion, forming a radially i...
05/06/1997
5527227Pulley
A pulley is made from a metal plate which is easy to manufacture, inexpensive in manufacturing cost, light weight and sufficient strength by using a press forming technique. The pulley has a thin tubular boss portion and a disk shaped body portion which a...
06/18/1996
5338264Compliant sheave
A sheave is provided with a compliant contact surface such that the sheave is suitable for use with a leaf chain in applications in which the leaf chain is subjected to more than simply a straight tensile pull. Since the sheave contact surface is complian...
08/16/1994
5147249Power transmission multi-groove sheave and method of manufacturing the same
A power transmission multi-groove sheave and method of manufacturing such sheave wherein each of the grooves of the multi-groove sheave incorporate critical dimensions to make it adaptable for use with any of several commercially known multi-groove sheave...
09/15/1992
5113584Process for manufacturing an asymmetric pulley from a metal disk
The hub part of a flat disk is clamped between the jaws of a chuck and a protruding circumferential part is formed against the chuck by a roller so that the formed material is distributed axially off-center with respect to the hub part. The formed materia...
05/19/1992
5112933Ether-based polyurethane elevator sheave liner-polyurethane-urea made from polyether urethane prepolymer chain extended with polyester/diamine blend
An ether-based polyurethane article comprises a toluene diisocyanate-terminated polyether polyol prepolymer cured with a blended polyester polyol/diamine curative. The article may be made by mixing a toluene diisocyanate-terminated polyether polyol prepol...
05/12/1992
4874973Method and arrangement for securing a pulley to a rotor in an electromagnetic clutch
An electromagnetic clutch includes a clutch rotor and an annular electromagnet. The clutch rotor has a rotor which sectional side view is a U-shaped configuration and a pulley mounted at an outer peripheral surface of the rotor. The annular electromagnet ...
10/17/1989
4874353Grooved pulley and manufacturing method therefor
A method for manufacturing a poly-V pulley includes a process for slitting and compressing the peripheral edge portion of an essentially flat blank for forming a widened and thickened flange wall. A series of relatively narrow, deep, V-shaped grooves are ...
10/17/1989
4840607Pulley 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
4799909Sheet metal poly-V pulley and manufacturing method thereof
A sheet metal poly-V pulley and a method of manufacturing the same, having a tubular peripheral wall integrally formed from the peripheral edge of bottom wall and having poly-V grooves formed in said peripheral wall at specified pitches, in which a bent p...
01/24/1989
4767387Grooved pulley and manufacturing method therefor
A method for manufacturing a poly-V pulley includes a process for slitting and compressing the peripheral edge portion of an essentially flat blank for forming a widened and thickened flange wall. A series of relatively narrow, deep, V-shaped grooves are ...
08/30/1988
4648163Method of making a poly-V ribbed pulley
A method of making a poly-V ribbed pulley engaged with a V-ribbed belt or V-ribbed belts. The method includes the steps of pressing two flanges or one circular projection between the two flanges in the cylinder, pressing a flange at the radially outer end...
03/10/1987
4591025Traction type elevator system
A main rope is wound round a sheave and a deflector wheel by three turns, and the sectional shape of those rope grooves of the sheave with which the main rope is held in engagement is formed in the shape of circular arcs, whereby the lifetimes of the main...
05/27/1986
4568316Multiple sheave mechanism with overlapping fit
The multiple sheave mechanism is primarily intended for use on the outer end of a long boom of a crane. The mechanism includes a plurality of sheaves that have hubs supported for rotation on a shaft by anti-friction bearings. Each of the hubs have a cylin...
02/04/1986
4548592Pulley construction
A pulley, composite in nature, including a fabricated wheel defining a rim channel into which a ring is positioned. The ring is rigidly held within the channel by tabs and interlocking arrangements. The ring is designed to include any one of a number of p...
10/22/1985
4522612Balanced pulley construction
A pulley has a planar end wall and an annular wall extending axially outwardly therefrom. The annular wall is formed with belt receiving grooves and the end wall is formed with a central opening for mounting the pulley on a hub or shaft. A stamped sheet m...
06/11/1985
4518374Poly-V pulleys
A sheet metal poly-V pulley formed from a cup-shaped blank having a cylindrical wall with inner and outer peripheral surfaces, the pulley comprising: at least a portion of the cylindrical wall being thickened with material from the blank, the thickened po...
05/21/1985
4473363Composite plastic and metal pulley construction
A composite plastic and metal pulley intended primarily for use with an endless drive belt for vehicle accessories, particularly an alternator. The pulley is formed by a hollow cylindrical-shaped molded plastic member having a series of outwardly opening ...
09/25/1984
4464148Ribbed 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
4364736Pulley and method of making same
A pulley and method of making same are provided wherein such pulley has a plurality of annular grooves for receiving a power transmission belt which has a corresponding plurality of belt elements. The pulley comprises a pair of side flanges, each having a...
12/21/1982
4037486Pulley
An inexpensive pulley assembly is disclosed which accommodates a number of driving belts. The pulley includes a hub and a number of sheet metal members. These sheet metal members includes bases for attachment to the hub, inner flanges, sleeves flaring axi...
07/26/1977
3962926Stamped sheet metal pulley
A sheet metal pulley having a pair of stamped sheet metal cups with telescopically interfitted side wall portions and integral flanges forming in cooperation with the flanges of rings received on the cups a plurality of V-shaped grooves. The rings are fix...
06/15/1976
 
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