3724023

Information

• Patent Grant
• 3724023

• References
• Source

• Patent Number

  3,724,023

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • E05F3/104 - with cam-and-slide transmission between driving shaft and piston within the closer housing
  • E05F3/225 - mounted at the bottom of wings
  • E05Y2201/492 - Spring tensioners, tension sensors
  • E05Y2800/12 - Sealing
  • E05Y2800/28 - tubular
  • E05Y2900/132 - Doors
  • Y10T16/2766 - Concentric spring chamber
  • Y10T16/2769 - Cam
  • Y10T16/2774 - Floor pivot

• US Classifications

  • 016 - Miscellaneous hardware