3757638

Information

• Patent Grant
• 3757638

• References
• Source

• Patent Number

  3,757,638

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • B23Q11/0017 - compensating the weight of vertically moving elements
  • B23D7/10 - of drives for reciprocating parts
  • Y10T74/177 - Rack and pinion adjusting means
  • Y10T408/6779 - Rack and pinion
  • Y10T408/92 - with counterweight mechanism
  • Y10T409/507708 - with rack to drive cutter
  • Y10T409/508036 - Machine frame

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 074 - Machine element or mechanism
  • 173 - Tool driving or impacting
  • 408 - Cutting by use of rotating axially moving tool