2342020

Information

• Patent Grant
• 2342020

• References
• Source

• Patent Number

  2,342,020

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1944
  81 years ago

• CPC

  • B25H1/0028 - Tool balancers
  • B66D3/12 - Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
  • F16F15/06 - with metal springs
  • G01G3/06 - wherein the weighing element is in the form of a spiral spring
  • G05G25/00 - Other details or appurtenances of control mechanisms
  • G05G2700/14 - with one elastic element as essential part

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 185 - Motors: spring, weight, or animal powered
  • 188 - Brakes