3129936

Information

• Patent Grant
• 3129936

• References
• Source

• Patent Number

  3,129,936

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1964
  60 years ago

• CPC

  • E05F3/223 - Hydraulic power-locks
  • E05F15/53 - for swinging wings
  • E05F15/614 - operated by meshing gear wheels, one of which being mounted at the wing pivot axis operated by a motor acting directly on the wing pivot axis
  • E05F3/106 - with crank-arm transmission between driving shaft and piston within the closer housing
  • E05Y2900/132 - Doors

• US Classifications

  • 049 - Movable or removable closures