3736771

Information

• Patent Grant
• 3736771

• References
• Source

• Patent Number

  3,736,771

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • F16C35/06 - Mounting or dismounting of ball or roller bearings Fixing them onto shaft or in housing
  • E21D9/1086 - Drives or transmissions specially adapted therefor
  • E21D9/1093 - Devices for supporting, advancing or orientating the machine or the tool-carrier
  • E21D9/113 - having a central part for making a pilot tunnel and a follow-up part for enlarging the pilot tunnel

• US Classifications

  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
  • 299 - Mining or in situ disintegration of hard material