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Class Information
Number: 474/71
Name: Endless belt power transmission systems or components > Control for variable input to output speed-ratio > Cyclical or sequential (e.g., machine controlled, etc.)
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7563186 |
Gearshift control device for a chain and sprocket transmission system |
Jul. 21, 2009 |
| 6988739 |
Electronically servo-assisted bicycle gearshift and related method |
Jan. 24, 2006 |
| 6682087 |
Bicycle computer control arrangement and method |
Jan. 27, 2004 |
| 6106420 |
Continuously variable transmission |
Aug. 22, 2000 |
| 5971877 |
Variable transmission |
Oct. 26, 1999 |
| 5700212 |
System for powering rotating accessories of an internal combustion engine |
Dec. 23, 1997 |
| 5569104 |
Electronic transmission control for human powered vehicle |
Oct. 29, 1996 |
| 5483137 |
Control device |
Jan. 9, 1996 |
| 5356348 |
Electronic transmission control system for a bicycle or the like |
Oct. 18, 1994 |
| 5213548 |
Gear shifting system for derailleur equipped bicycle |
May. 25, 1993 |
| 4950208 |
Variable ratio power transmission |
Aug. 21, 1990 |
| 4793208 |
Crank-gear for bicycle or similar locomotion vehicle |
Dec. 27, 1988 |
| 4561532 |
Torsional vibration reducing connection between an internal combustion engine and a transmission |
Dec. 31, 1985 |
| 4505690 |
Transmission drive with cyclic speed variations and uses thereof in compaction systems using dual wire-mesh belts |
Mar. 19, 1985 |
| 4490127 |
Electrically operated transmission gear system for bicycles |
Dec. 25, 1984 |
| 4309043 |
Drive system for bicycles and other apparatus |
Jan. 5, 1982 |
| 4281845 |
Drive system for bicycles and other apparatus |
Aug. 4, 1981 |
| 4027358 |
Variable speed drive system for carding machine |
Jun. 7, 1977 |
| 4026482 |
Yarn or thread spooling machine |
May. 31, 1977 |
| 4010700 |
Program controlled power transmission |
Mar. 8, 1977 |
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