Louver mechanism for shutter

Details Louver mechanism for shutter Louver mechanism for shutter

2005-02-01

2005-02-01

Thompson, II, Hugh B. (Department: 3634)

Movable or removable closures

Closures interconnected for concurrent movement

Louver-type closures

C049S074100, C052S473000

Reexamination Certificate

active

06848213

ABSTRACT:
A concealed louver drive mechanism for a shutter assembly having multiple louvers. A gear rack is disposed in a channel in one of the stiles. One-piece pinions each having a gear engaging the rack and a pin end received in the end of the associated louver. The rack and pinion have relieved areas to reduce frictional resistance to movement. When one of the louvers is manually adjusted, simultaneous coordinated movement is imparted to the rack and to the other louvers.

REFERENCES:
patent: 5216837 (1993-06-01), Cleaver et al.
patent: 5379551 (1995-01-01), Swapp
patent: 5469658 (1995-11-01), Digianni et al.
patent: 6145251 (2000-11-01), Ricci
patent: 6263632 (2001-07-01), Cadorette
patent: 6314680 (2001-11-01), Buckwalter et al.
patent: 6536162 (2003-03-01), LaMay
patent: 6568131 (2003-05-01), Milano, Jr.
patent: 399130 (1990-11-01), None

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