Drainage system for horizontally sliding closure assemblies

Details Drainage system for horizontally sliding closure assemblies Drainage system for horizontally sliding closure assemblies

1996-12-23

1999-03-30

Stodola, Daniel P.

Movable or removable closures

With means mounting closure for reciprocation

Drain or vent in guide or sash

49471, E06B 714, E06B 170

Patent

active

058873872

ABSTRACT:
A drainage system for horizontally sliding closures, especially horizontally sliding closures having a solid sill such as is typical with patio doors and the like. The drainage system includes a valve assembly having a top wall, opposed end walls and a side wall that defines a drainage aperture. The drainage aperture is normally closed by a flap which permits water to drain through the valve assembly but inhibits the infiltration of outside air. The valve assembly is mounted over a drainage slot cut through the fixed rail. To ensure most efficient drainage performance, the fixed rail must be vented. This is preferably accomplished by replacing the usual end caps for the fixed rail with slotted end caps which maintain the internal air pressure in the fixed rail at substantially atmospheric pressure. The advantage is a simple, inexpensive very effective drainage system which is suitable for new product and the retrofit of installed doors and/or windows.

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