2870639

Information

• Patent Grant
• 2870639

• References
• Source

• Patent Number

  2,870,639

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1959
  66 years ago

• CPC

  • E02B17/0854 - with clamping wedges, eccentric clamping devices and so on
  • B66F3/30 - with positive brakes or lock
  • Y10T74/1565 - Gripper releasing devices
  • Y10T74/1587 - Grip features

• US Classifications

  • 074 - Machine element or mechanism
  • 182 - Fire escape, ladder, or scaffold
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 285 - Pipe joints or couplings
  • 338 - Electrical resistors
  • 405 - Hydraulic and earth engineering