2917250

Information

• Patent Grant
• 2917250

• References
• Source

• Patent Number

  2,917,250

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1959
  65 years ago

• CPC

  • B65H18/12 - to effect step-by-step advancement of web
  • B65H18/103 - Reel-to-reel type web winding and unwinding mechanisms
  • G11B15/20 - Moving record carrier backwards or forwards by finite amounts
  • H04L13/06 - Tape or page guiding or feeding devices
  • H04L13/08 - Intermediate storage means
  • B65H2301/41368 - one or two lateral flanges covering part of or entire web diameter
  • B65H2801/45 - Audio or video tape players, or related mechanism

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 226 - Advancing material of indeterminate length
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER