1940405

Information

• Patent Grant
• 1940405

• References
• Source

• Patent Number

  1,940,405

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1933
  91 years ago

• CPC

  • B23B31/008 - with arrangements for transmitting torque
  • B23B31/1238 - Jaws movement actuated by a nut with conical screw-thread
  • B23B2231/54 - Chucks for taps
  • Y10T279/17581 - Threaded cam sleeve
  • Y10T279/17623 - Threaded sleeve and jaw

• US Classifications

  • 279 - Chucks or sockets
  • 470 - Threaded, headed fastener, or washer making: process and apparatus