2990159

Information

• Patent Grant
• 2990159

• References
• Source

• Patent Number

  2,990,159

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  63 years ago

• CPC

  • B66F3/14 - actuated through pawl-and-ratchet mechanisms
  • B66F3/10 - with telescopic sleeves
  • Y10T74/2136 - Pivoted pawls

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 074 - Machine element or mechanism