2920489

Information

• Patent Grant
• 2920489

• References
• Source

• Patent Number

  2,920,489

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1960
  65 years ago

• CPC

  • B25B17/02 - providing for torque amplification
  • Y10T74/18384 - Crank, lever, and crank
  • Y10T279/14 - Eccentric

• US Classifications

  • 074 - Machine element or mechanism
  • 081 - Tools
  • 279 - Chucks or sockets
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts