3747721

Information

• Patent Grant
• 3747721

• References
• Source

• Patent Number

  3,747,721

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • F16H61/66227 - controlling shifting exclusively as a function of speed and torque
  • B62M25/00 - Actuators for gearing speed-change mechanisms specially adapted for cycles
  • B62M2701/0046 - Gear change control and other for motorcycles or bicycles

• US Classifications

  • 180 - Motor vehicles
  • 474 - Endless belt power transmission systems or components