3690581

Information

• Patent Grant
• 3690581

• References
• Source

• Patent Number

  3,690,581

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • B65H75/242 - Expansible spindles, mandrels or chucks
  • B23B31/404 - Gripping the work or tool by jaws moving radially controlled by conical surfaces
  • G11B15/662 - Positioning or locking of spool or reel
  • B65H2701/514 - Elastic elements

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER