3917311

Information

• Patent Grant
• 3917311

• References
• Source

• Patent Number

  3,917,311

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • A61G5/023 - acting directly on hubs or axis
  • A61G5/02 - propelled by the patient or disabled person
  • A61G5/025 - Levers
  • A61G5/028 - Special adaptations or provisions on hand rim
  • Y10T74/19205 - Clutchable gears
  • Y10T74/19284 - Meshing assisters

• US Classifications

  • 280 - Land vehicles
  • 074 - Machine element or mechanism
  • 192 - Clutches and power-stop control