Patent ID: 8281518

Claim:
A shutter having a rectangular frame with side frame members and end frame members, and in which at least one of the side frame members is hollow, and a plurality of louvres extending between said side frame members, and being rotatably mounted in the side frame members and a control linkage within at least one of the side frame members connecting the louvres for rotational movement in unison, further comprising; a coupling plate secured to each said louvre in said plurality of louvres and rotatable in unison therewith; at least one control shoe connected with each said coupling plate; a stub pin on each said control shoe; a stub pin opening in each said coupling plate, receiving said stub pin; a retention pin on each said control shoe at least one control element; retention pin holes in each said control element located at spaced intervals therealong, for rotatably receiving respective said retention pins, said control element thereby connecting said control shoes and said plurality of said louvres for movement in unison.