3921479

Information

• Patent Grant
• 3921479

• References
• Source

• Patent Number

  3,921,479

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • B23B5/38 - for turning conical surfaces inside or outside
  • B23Q5/26 - Fluid-pressure drives
  • B23Q15/013 - Control or regulation of feed movement
  • Y10T82/143 - having electrical actuator
  • Y10T82/147 - having hydraulic actuator
  • Y10T82/2533 - Control
  • Y10T82/2535 - Electrical type
  • Y10T409/305936 - including fluid drive

• US Classifications

  • 082 - Turning
  • 091 - Motors: expansible chamber type
  • 409 - Gear cutting, milling, or planing