1801781

Information

• Patent Grant
• 1801781

• References
• Source

• Patent Number

  1,801,781

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1931
  94 years ago

• CPC

  • B63H20/20 - with provision for reverse drive
  • B63H20/22 - allowing movement of the propulsion element about at least a horizontal axis without disconnection of the drive
  • B63H20/10 - Means enabling trim or tilt, or lifting of the propulsion element when an obstruction is hit Control of trim or tilt
  • B63H2020/326 - having a dividing plane substantially in plane with the axes of the transmission shafts
  • Y10T74/19521 - Bevel

• US Classifications

  • 440 - Marine propulsion
  • 074 - Machine element or mechanism