3538404

Information

• Patent Grant
• 3538404

• References
• Source

• Patent Number

  3,538,404

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1970
  54 years ago

• CPC

  • B65H23/1825 - and controlling web tension
  • B65H16/10 - Arrangements for effecting positive rotation of web roll
  • B65H23/066 - Electrical brake devices therefor
  • B65H23/1955 - and controlling web tension
  • B65H23/198 - motor-controlled (Controlling electrical drive motors therefor)
  • H02P3/14 - by regenerative braking
  • Y10S388/917 - Thyristor or scr

• US Classifications

  • 318 - Electricity: motive power systems
  • 388 - Electricity: motor control systems