1522839

Information

• Patent Grant
• 1522839

• References
• Source

• Patent Number

  1,522,839

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1925
  100 years ago

• CPC

  • F16H61/02 - characterised by the signals used
  • F16H2718/02 - Control dependent on speed and torque, wherein only the toothed wheels remain engaged

• US Classifications

  • 475 - Planetary gear transmission systems or components
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts