Ventilator

Details Ventilator Ventilator

1994-12-02

1996-04-16

Joyce, Harold

Ventilation

Having inlet airway

Including specific cover or shield for exterior vent opening

454281, F24F 1314

Patent

active

055076912

ABSTRACT:
A ventilator for buildings comprising a cylindrical main body which is open at both ends and provided with a plurality of seating members installed at attachment holes opened in the cylindrical circumferential wall of the main body. The seating members having surfaces conforming to the curvature of the cylindrical main body and also having perpendicular ends for holding the slats securely by screws.

REFERENCES:
patent: 2505147 (1950-04-01), Scallon
patent: 2789792 (1957-04-01), Davis
patent: 2966169 (1960-12-01), Reece
patent: 3179034 (1965-04-01), Fain

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