Patent ID: 7174673

Claim:
A shaft operator assembly for moving a door having a movable door leaf and a door shaft attached to said door leaf for common movement together, said shaft operator assembly comprising a shaft connecting means for connecting a driven member of said shaft operator assembly to said door shaft, wherein said shaft connecting means comprises a connecting plate element secured to said driven member and a shaft connecting element mountable non-rotatably on said door shaft, said shaft connecting element including an axial opening extending through said shaft connecting element for receiving non-rotatably said door shaft and including a plate connecting portion located radially outside of said opening and mounted to said connecting plate element; wherein said connecting plate element is a flat connecting plate separate from said shaft connecting element; said connecting plate element is secured non-rotatably and braced to said driven member by a coupler; wherein said coupler comprises a cylindrically shaped portion and a flanged portion having side surfaces, said flanged portion is in positive engagement with said connecting plate element in a non-rotatable but axially movable manner relative thereto; and wherein said connecting plate element is clasped to said driven member by said coupler and includes on a side opposite said driven member a receiving access for facing said door shaft, wherein the side surfaces of the flanged portion of said coupler are fully received in said receiving access and non-rotatably engage corresponding surfaces of said receiving access.