3854671

Information

• Patent Grant
• 3854671

• References
• Source

• Patent Number

  3,854,671

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1974
  50 years ago

• CPC

  • B65H75/28 - Arrangements for positively securing ends of material
  • B21C47/323 - Slits or pinces on the cylindrical wall of a reel or bobbin, adapted to grip the end of the material being wound
  • B65H75/242 - Expansible spindles, mandrels or chucks
  • B65H2301/414225 - fixed to shaft or mandrel

• US Classifications

  • 242 - Winding, tensioning, or guiding