3918532

Information

• Patent Grant
• 3918532

• References
• Source

• Patent Number

  3,918,532

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • B25D9/145 - for hydraulically actuated hammers having an accumulator
  • B25D9/02 - of the tool-carrier piston type
  • E21C3/02 - Machines in which the tool is connected to an impulse member

• US Classifications

  • 173 - Tool driving or impacting
  • 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts