VENT HOLE

VENT HOLE

PCT No. PCT/GB89/00917 Sec. 371 Date Apr. 16, 1991 Sec. 102(e) Date Apr. 16, 1991 PCT Filed Aug. 10, 1989 PCT Pub. No. WO90/02298 PCT Pub. Date Mar. 8, 1990.A slot ventilator (1) comprises an elongate facing strip (7) which is movable on parallel-motion links (12) between a closed position in which...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: STONEY,ARTHUR,GB
Format: Patent
Sprache:eng
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Zusammenfassung:PCT No. PCT/GB89/00917 Sec. 371 Date Apr. 16, 1991 Sec. 102(e) Date Apr. 16, 1991 PCT Filed Aug. 10, 1989 PCT Pub. No. WO90/02298 PCT Pub. Date Mar. 8, 1990.A slot ventilator (1) comprises an elongate facing strip (7) which is movable on parallel-motion links (12) between a closed position in which it seals a slot (4) in a backing member (3), and a forward, open position. The parallel-motion links (12) are pivotally secured at one end of a rearwardly-extending rib (8) at the rear of the facing strip (7), and at the other end to a pair of parallel rearwardly-extending mounting flanges (5) behind the backing member (3). When the facing strip (7) is in the closed position, the pivotal connection (13) between the link (12) and the flanges (5) is accommodated within a cutout portion (18) of the rib (8), so enabling the overall depth of the ventilator to be reduced.