3546979

Information

• Patent Grant
• 3546979

• References
• Source

• Patent Number

  3,546,979

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • B23Q11/0017 - compensating the weight of vertically moving elements
  • B23B47/00 - Constructional features of components specially designed for boring or drilling machines Accessories therefor
  • B23B47/26 - Liftable or lowerable drill heads or headstocks Balancing arrangements therefor
  • B23Q1/26 - characterised by constructional features relating to the co-operation of relatively movable members Means for preventing relative movement of such members
  • Y10T408/92 - with counterweight mechanism

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool