2190529

Information

• Patent Grant
• 2190529

• References
• Source

• Patent Number

  2,190,529

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1940
  85 years ago

• CPC

  • B65H23/1806 - in reel-to-reel type web winding and unwinding mechanism
  • D06B3/32 - of open-width materials backwards and forwards between beaming rollers during treatment Jiggers
  • B65H2403/483 - Differential gearing
  • B65H2406/40 - Fluid power drive Fluid supply elements

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 091 - Motors: expansible chamber type