Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 474/188
Name: Endless belt power transmission systems or components > Friction drive pulley or guide roll > Including grooves or openings in cylindrical belt-engaging surface (e.g., for escape of air, etc.)
Description:










Sub-classes under this class:

Class Number Class Name Patents
474/189 Circumferentially extending grooves 13


Patents under this class:

Patent Number Title Of Patent Date Issued
8579774 Drive roller for flat belts Nov. 12, 2013
8398512 Toothed belt pulley Mar. 19, 2013
8167750 Resin pulley May. 1, 2012
7958635 Process for producing a pulley for a continuously variable belt drive transmission Jun. 14, 2011
7857721 Belt-type continuously variable transmission and straddle-type vehicle Dec. 28, 2010
7806793 Continuously variable belt drive transmission Oct. 5, 2010
7618338 Cooled pump pulley Nov. 17, 2009
6254503 V-belt driven pulley and continuously variable transmission using the same Jul. 3, 2001
6099427 Self-cleaning pulley device and toner image reproduction machine including same Aug. 8, 2000
5490814 Power transmission sheave Feb. 13, 1996
5449063 Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features Sep. 12, 1995
5282532 Modified drive system for endless belt conveyors with rollers having driving, supporting and aligning features Feb. 1, 1994
5256113 Automotive accessory drive belt tensioner Oct. 26, 1993
5178221 Core-gathering apparatus and a main conveyor belt drive roller structure for the apparatus Jan. 12, 1993
5160020 Drive system for endless belt conveyors with rollers having driving, supporting and aligning features Nov. 3, 1992
5011461 Transmission provided with a driving belt and V-shaped pulleys Apr. 30, 1991
4986795 Method and apparatus for guidance and actuation of flat belt drive under external load Jan. 22, 1991
4947533 Manufacturing method of disk for belt-driven continuously-variable-speed drive Aug. 14, 1990
4944714 Method and apparatus for guidance and actuation of flat belt drive under external load Jul. 31, 1990
4821871 Idler pulley surfacing Apr. 18, 1989
D299211 Toothed drive pulley Jan. 3, 1989
4629444 Belt pulley and method of making the same Dec. 16, 1986
4618334 Belt pulley and method of making the same Oct. 21, 1986
4601685 Endless belt, and roller system with such a belt Jul. 22, 1986
4592463 Roller with double left and double right helix pattern track Jun. 3, 1986
4555239 Belt pulley and method of making the same Nov. 26, 1985
4545778 Cog-belt-driven, noise-suppressed power transmission device Oct. 8, 1985
4530680 Belt pulley and method of making the same Jul. 23, 1985
4509933 Belt pulley and method of making the same Apr. 9, 1985
4284409 Replaceable pulley lagging Aug. 18, 1981
3995487 Self cleaning pulley for conveyor belts Dec. 7, 1976
3958837 Idler May. 25, 1976











 
 
  Recently Added Patents
Device and method for unified codes
Sterilizable film for aseptic packaging
Data security for dynamic random access memory using body bias to clear data at power-up
Cardiac chamber volume computation from contours and base plane in cardiac MR Cine images
Cooler
Control device for radiation imaging apparatus and control method therefor
Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities
  Randomly Featured Patents
Suspension for ring drive silo unloader
Data analysis apparatus, data analysis method, and computer products
End panel mount with safety lock
Anti-chemokine and associated receptors antibodies for inhibition of growth of neoplasms
Information storage medium and information recording/playback system
Wiring layout of semiconductor device and design method of the same
Antenna telescoping tower
Body structure of vehicle having side-collision detection sensor
Penta-lobed gas burner
Ink reservoir for printhead chip