2123828

Information

• Patent Grant
• 2123828

• References
• Source

• Patent Number

  2,123,828

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1938
  86 years ago

• CPC

  • E04F10/0651 - acting on the arms
  • E04F10/0618 - whereby the pivot axis of the articulation is perpendicular to the roller
  • E04F10/0622 - whereby the plane defined by three consecutive articulation points of an articulated arm is not parallel to the rotation axis of the roller
  • E04F10/0637 - with mechanisms for adjusting the inclination of the blind
  • Y10S160/907 - Spring, other than spring roller, awning operator
  • Y10T403/32172 - Variable angle

• US Classifications

  • 403 - Joints and connections
  • 160 - Flexible or portable closure, partition, or panel