2830821

Information

• Patent Grant
• 2830821

• References
• Source

• Patent Number

  2,830,821

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1958
  66 years ago

• CPC

  • B23B31/208 - with a tool positioning stop
  • B23Q16/002 - Stops for use in a hollow spindle
  • Y10T279/1066 - Axially compressible element expands radially
  • Y10T279/3487 - Tool or work stop or locator
  • Y10T279/3493 - Protection means e.g., cover, seal, overstress prevention, air blast

• US Classifications

  • 279 - Chucks or sockets
  • 242 - Winding, tensioning, or guiding
  • 294 - Handling: hand and hoist-line implements