2890889

Information

• Patent Grant
• 2890889

• References
• Source

• Patent Number

  2,890,889

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1959
  65 years ago

• CPC

  • F15B15/12 - of the oscillating-vane or curved-cylinder type
  • B23B31/16025 - using fluid-pressure means to actuate the gripping means
  • Y10T279/1291 - Fluid pressure moves jaws via mechanical connection
  • Y10T279/1926 - Spiral cam or scroll actuated
  • Y10T279/275 - Self-contained

• US Classifications

  • 279 - Chucks or sockets
  • 092 - Expansible chamber devices