3797274

Information

• Patent Grant
• 3797274

• References
• Source

• Patent Number

  3,797,274

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  50 years ago

• CPC

  • B63H20/20 - with provision for reverse drive
  • B63H20/12 - Means enabling steering
  • F16D3/36 - in which each pivot between the coupling parts and the intermediate member comprises a single ball
  • B63H20/002 - for handling lubrication liquids
  • B63H20/10 - Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit Control of trim or tilt
  • B63H20/22 - allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive
  • B63H20/26 - Exhaust gas outlets passing through the propeller or its hub

• US Classifications

  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts