2551230

Information

• Patent Grant
• 2551230

• References
• Source

• Patent Number

  2,551,230

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1951
  73 years ago

• CPC

  • B61C9/44 - with hollow transmission shaft concentric with wheel axis

• US Classifications

  • 105 - Railway rolling stock
  • 184 - Lubrication
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts