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Class Information
Number: 474/78
Name: Endless belt power transmission systems or components > Control for variable input to output speed-ratio > Including belt shiftable axially from one to another surface of stepped pulley or coaxial pulleys of different diameter
Description:


Sub-classes under this class:

Class Number Class Name Patents
474/80 And including belt-shifter mechanism 306
474/79 And pulley pivotally mounted to facilitate belt shift 19


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7621834 Bicycle transmission apparatus including a one-way clutch and a slide mechanism, and bicycle incorporating same Nov. 24, 2009
7597638 Transmission Oct. 6, 2009
7585237 Bicycle component with axle fixing structure Sep. 8, 2009
7563186 Gearshift control device for a chain and sprocket transmission system Jul. 21, 2009
7520831 Gear-shifting apparatus, and bicycle incorporating same Apr. 21, 2009
7503862 Transmission with internal protective shield and bicycle incorporating same Mar. 17, 2009
7503863 Bicycle derailleur motor unit assembly Mar. 17, 2009
7438658 Bicycle front derailleur Oct. 21, 2008
7381143 Transmission apparatus for a bicycle Jun. 3, 2008
7373232 Method for carrying out a multiple gear-shifting in an electronically servo-assisted bicycle gearshift and related gearshift May. 13, 2008
7294076 Transmission apparatus for bicycle Nov. 13, 2007
7258637 Bicycle transmission Aug. 21, 2007
7207911 Process for controlling gear shifting in a cycle, and corresponding systems and components Apr. 24, 2007
7207912 Bicycle shift control apparatus that prevents undesirable chain angles Apr. 24, 2007
7144027 Bicycle control apparatus that sets a bicycle transmission to a predetermined gear ratio Dec. 5, 2006
7118505 Integrally formed gear set with a plurality of gears Oct. 10, 2006
7090602 Assisting apparatus for changing speeds in a bicycle transmission Aug. 15, 2006
7086974 Actuator for a bicycle gear-shift Aug. 8, 2006
7059983 Multiple sprocket, multiple function chain guide Jun. 13, 2006
7001294 Method of using a motion sensor with a bicycle sprocket assembly Feb. 21, 2006
6923740 Front derailleur for a bicycle Aug. 2, 2005
6899649 Motor unit for an assisting apparatus for changing speeds in a bicycle transmission May. 31, 2005
6890276 Front derailleur for bicycle with electrical motor and gear reducer May. 10, 2005
6884190 Bicycle shift control device that inhibits the generation of a second shift signal after the generation of a first shift signal Apr. 26, 2005
6726587 Adjustable bicycle derailleur Apr. 27, 2004
6726586 Motorized bicycle actuator assembly Apr. 27, 2004
6722220 Override control for a bicycle transmission Apr. 20, 2004
6679797 Front derailleur for bicycle with electrical motor and gear reducer Jan. 20, 2004
6659895 Motion sensor for use with a bicycle sprocket assembly Dec. 9, 2003
6648782 Actuating apparatus for a bicycle derailleur, with coupling connected to the driven shaft Nov. 18, 2003
6638190 Compact hydraulically-operated derailleur shifting system for bicycles Oct. 28, 2003
6634971 Process for controlling gear shifting in a cycle, and corresponding system and components Oct. 21, 2003
6572500 Bicycle sprocket with chain support projections Jun. 3, 2003
6488603 Freewheel for a bicycle Dec. 3, 2002
6325733 Hydraulically-operated bicycle shifting system with power shifting Dec. 4, 2001
6319163 Transport device in a packaging machine Nov. 20, 2001
6293883 Quick release derailleur Sep. 25, 2001
6293881 Operating device for vehicle component assembly Sep. 25, 2001
6264575 Freewheel for a bicycle Jul. 24, 2001
6159119 Gas actuating mechanism for a bicycle derailleur Dec. 12, 2000
6159118 Horizontally disposed bicycle derailleur Dec. 12, 2000
6146297 Bicycle automatic shift control device with varying shift speeds Nov. 14, 2000
6045470 Front derailleur with chainline controlling idler cog Apr. 4, 2000
6047230 Automatic bicycle transmission Apr. 4, 2000
6042495 Hydraulically-operated bicycle shifting and braking systems Mar. 28, 2000
6023646 Liquid crystal display device for a bicycle Feb. 8, 2000
6015360 Automatic gearshifting device of multi-stage fly wheel of bicycle Jan. 18, 2000
5971878 Multiple sprocket assembly for bicycle Oct. 26, 1999
5954604 Multiple sprocket assembly for a bicycle Sep. 21, 1999
5919106 Quick release derailleur Jul. 6, 1999

1 2 3


 
 
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