3805923

Information

• Patent Grant
• 3805923

• References
• Source

• Patent Number

  3,805,923

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • B61B12/06 - Safety devices or measures against cable fracture
  • B61H7/02 - Scotch blocks, skids, or like track-engaging shoes
  • B61H9/04 - for preventing or controlling movement in one direction or, selectively, in either direction
  • B61K7/04 - with clamping action
  • E21F13/04 - Transport of mined material in gravity inclines in staple or inclined shafts

• US Classifications

  • 188 - Brakes