3043584

Information

• Patent Grant
• 3043584

• References
• Source

• Patent Number

  3,043,584

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1962
  62 years ago

• CPC

  • B66B13/02 - Door or gate operation
  • E05F15/635 - operated by push-pull mechanisms
  • E05F15/641 - operated by friction wheels
  • F16H19/00 - Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
  • E05Y2201/618 - Transmission ratio variation
  • E05Y2201/674 - Friction wheels
  • E05Y2800/232 - of motors and transmissions
  • E05Y2800/43 - against wear
  • E05Y2900/104 - for elevators
  • E05Y2900/132 - Doors
  • E05Y2900/40 - for gates

• US Classifications

  • 049 - Movable or removable closures