Secondary window ventilators

Details Secondary window ventilators Secondary window ventilators

1986-07-03

1988-03-01

Warner, Steven E.

98 998, E06B 702

Patent

active

047277971

ABSTRACT:
A sliding sash window ventilator assembly for insertion between one sash and the window frame. A ventilation channel is closable by a facing member mounted by a parallel motion linkage for adjustment of its position. The facing member is disposed and mounted such that it fails to extend beyond the overall dimensions of the ventilator assembly even when fully open, to thus avoid obstructing motion of the sashes. Preferably, the facing member is mounted on external flange members of the assembly for ease of construction.

REFERENCES:
patent: 945615 (1910-01-01), Scott
patent: 1233436 (1917-07-01), Baar

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