Ventilator

Details Ventilator Ventilator

1995-03-13

1996-05-21

Joyce, Harold

Ventilation

Means combined with window

Having air passage at window top

E06B 702

Patent

active

055184529

ABSTRACT:
A controllable slot ventilator comprises first and second parallel side walls which define an air passage between them. A closure member is mounted adjacent the front edges of the side walls via parallel motion links, which allow the closure member to move generally away from and towards the side walls to open and close the ventilator. At the rear of the side walls, i.e. the opposite end to the closure member, a mounting flange is fitted, whereby the ventilator is mounted to a member. When the ventilator is installed in a slot, it is preassembled and then inserted into the slot from one end.

REFERENCES:
patent: 1016392 (1912-02-01), Boudrot
patent: 1116625 (1914-11-01), Pomerantz
patent: 1406841 (1922-02-01), Foss
patent: 1947282 (1934-02-01), Theis
patent: 3094058 (1963-06-01), O'Brien, Jr. et al.
patent: 3343475 (1967-09-01), Costley
patent: 4702157 (1987-10-01), Comparon
patent: 4727797 (1988-03-01), Smith
patent: 4736677 (1988-04-01), Smith
patent: 5244434 (1993-09-01), Stoney et al.

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