3897857

Information

• Patent Grant
• 3897857

• References
• Source

• Patent Number

  3,897,857

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1975
  49 years ago

• CPC

  • A61G5/101 - of the parking brake type
  • A61G5/1008 - for gradually slowing down the wheelchair
  • A61G5/1027 - Hub elements
  • A61G5/1035 - manipulated by wheelchair user
  • F16D49/04 - mechanically actuated
  • B62B5/048 - Hub brakes; drum brakes
  • Y10S297/04 - Wheelchair

• US Classifications

  • 188 - Brakes
  • 192 - Clutches and power-stop control
  • 280 - Land vehicles
  • 297 - Chairs and seats