1938781

Information

• Patent Grant
• 1938781

• References
• Source

• Patent Number

  1,938,781

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1933
  91 years ago

• CPC

  • B23C1/00 - Milling machines not designed for particular work or special operations
  • Y10T74/18072 - Reciprocating carriage motions
  • Y10T74/19242 - Combined gear and clutch
  • Y10T74/2102 - Adjustable
  • Y10T409/304816 - to control rate of infeed or return
  • Y10T409/304872 - to control limit of infeed
  • Y10T409/305488 - to reciprocate or oscillate work

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 074 - Machine element or mechanism