Movable or removable closures – Closures interconnected for concurrent movement – Louver-type closures
Reexamination Certificate
2005-06-07
2005-06-07
Thompson, II, Hugh B. (Department: 3634)
Movable or removable closures
Closures interconnected for concurrent movement
Louver-type closures
C049S074100
Reexamination Certificate
active
06901701
ABSTRACT:
A pre-cut, pre-painted shutter door includes a pair of vertical members available in a range of discrete or quantum heights, and having a two level slot along their length for engaging an upper and a lower panel to form the outer portions of a shutter door. Vertical members are preferably pre-tapped with bores to facilitate threaded member access to engagement for attachment to the upper and lower panels. The upper and lower panels have a curved surface to either facilitate direct manual pivoting of the louvers or to provide clearance for an optional common actuator bar. A louver pivot support fits within the two level slot of the vertical members and carries a series of pre-drilled holes for pivotally supporting the louvers. Both the vertical members, panels and louver member supports are of constant cross section to facilitate the use of finger joints and to promote continuous extrusion-type processing. A series of louvers have shafts which extend through pre-drilled holes in the louver pivot supports. Louver shafts may carry gears engaging a gears fittable within a clearance between the louver pivot supports and the more inner level of the two level slot to accommodate a gear rack engaging the gears of the louver shafts to provide simultaneous movement of the louvers with linear translation of the gear rack.
REFERENCES:
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patent: 6145251 (2000-11-01), Ricci
patent: 6314680 (2001-11-01), Buckwalter et al.
patent: 6536162 (2003-03-01), LaMay
patent: 6701669 (2004-03-01), Yorgason
Harrington Curtis L.
Thompson II Hugh B.
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