3893219

Information

• Patent Grant
• 3893219

• References
• Source

• Patent Number

  3,893,219

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • B66B19/002 - installing or exchanging guide rails
  • E21D7/02 - Arrangement of guides for cages in shafts Connection of guides for cages to shaft walls
  • Y10T29/49828 - Progressively advancing of work assembly station or assembled portion of work
  • Y10T29/53978 - including means to relatively position plural work parts

• US Classifications

  • 029 - Metal working
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle