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Class 474/181 - And abutting radial surfaces integral with the flanges


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein the separate members each has a planar
No. of patents: 9
Last issue date: 02/02/2010


NumberTitleIssue Date
7654926Continuously variable V-belt transmission
A continuously variable V-belt transmission basically has a driving pulley, a driven pulley and a V-belt wound around the pulleys. The frictional engagement between the pulleys and the V-belt is controlled by regulating pulley axial thrusts to the pulleys. The V-bel...
02/02/2010
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
6962659Contaminant skimming device
An oil skimmer for removing oil floating on surfaces of bodies of water. The oil skimmer includes a support frame, respective drive pulley and guide pulleys rotatably mounted to the support frame on respective shafts, and a drive train which rotatively drives the dr...
11/08/2005
6018051Processing for washing-out degradation-resistant organic chlorine compound
In order to subject a cellulosic material such as insulating paper onto and into which transformer high-voltage insulating oil containing PCB has adhered and permeated to washing that removes the PCB etc. to an undetectable value, the cellulosic material ...
01/25/2000
5954605Pulley
A magnetic-tape-cassette apparatus provides a pulley (1, 21, 22) for a belt drive, particularly to a flywheel for a deck of the magnetic-tape-cassette apparatus. The pulley has a groove (10) at its circumferential edge (6, 7), in which groove a drive belt...
09/21/1999
5454760Precision pulley wheel
A method and construction of forming a pulley wheel mounted on a shaft. The pulley includes a pair of identical discs fused back to back by laser welding forming a pulley wheel with a peripheral groove and axial central opening. The pulley wheel is mounte...
10/03/1995
4496336Pulley device
A pulley device having a V-groove is formed by friction welding a pair of stamped steel plates together. A metal plate having a melting temperature lower than the steel plates is placed between the plates to melt-bond therewith by friction welding....
01/29/1985
4226134Belt pulley
To lower the cost and weight of a belt pulley and permit its installation without the use of large numbers of spacer discs, the belt pulley is composed of two substantially identical stamped sheet metal halves which are so configured as to define a hub re...
10/07/1980
4182193Pulley
A pulley comprises a hub and a pair of generally annular sheet metal members having central openings for receiving a portion of the hub and oppositely faltered margins for defining a groove to accommodate a belt. The hub includes a shouder portion of suff...
01/08/1980
 
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