3658226

Information

• Patent Grant
• 3658226

• References
• Source

• Patent Number

  3,658,226

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  53 years ago

• CPC

  • G11B15/605 - without displacing the guiding means
  • G03B1/32 - Friction grippers or rollers
  • G03B17/30 - Locating spools or other rotatable holders of coiled film
  • G03B21/43 - Driving mechanisms
  • G11B15/28 - through rollers driving by frictional contact with the record carrier

• US Classifications

  • 226 - Advancing material of indeterminate length
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER