Patent ID: 6901701
Filing Date: 2005-06-07
Classification: E06B

Abstract:
1. An shutter system comprising: a first vertical member having a first two level slot of constant cross section extending between a first end and a second end, said first level of said first two level slot having a pair of spaced apart bottom walls, said second level of said first two level slot having a base width substantially even with an innermost extent of said spaced apart bottom walls; a second vertical member having a second two level slot of constant cross section extending between a first end and a second end, said first level of said second two level slot having a pair of spaced apart bottom walls, said second level of said second two level slot having a base width substantially even with an innermost extent of said spaced apart bottom walls; an upper panel having a first end engaged into at least said first level of said first two level slot and engaging at least said pair of spaced apart bottom walls of said first level of said first two level slot at said first end of said first vertical member and a second end engaged into at least said first level of said second two level slot and engaging at least said pair of spaced apart bottom walls of said first level of said second two level slot of said first end of said second vertical member, said upper panel having a curved surface and a substantially constant cross sectional area between said first and said second ends of said upper panel the curved surfaces extending into said first levels of the respective said two level slots; a lower panel having a first end engaged into at least said first level of said first two level slot and engaging at least said pair of spaced apart bottom walls of said first level of said first two level slot at said second end of said first vertical member and a second end engaged into at least said first level of said second two level slot and engaging at least said pair of spaced apart bottom walls of said first level of said second two level slot of said second end of said second vertical member, said lower panel having a curved surface and a substantially constant cross sectional area between said first and said second ends of said upper panel the curved surfaces of said lower panel extending into said first levels of the respective said two level slots; a first louver pivot support engaged through at least one level of said first two level slot between said first and said second ends of said first vertical member, said first louver pivot support having a first plurality of pivot bores for pivotally supporting angular louver movement; a second louver pivot support engaged through at least one level of said second two level slot between said first and said second ends of said second vertical member, said second louver pivot support having a second plurality of pivot bores for pivotally supporting angular louver movement; a plurality of louvers, each louver having a first end having a first pivot shaft engaging one of said first plurality of pivot bores and a second end having a second pivot shaft engaging one of said second plurality of pivot bores.