Ventilation – Having outlet airway – Having readliy movable air regulating louver – damper – or cover
Patent
1995-04-28
1996-08-20
Joyce, Harold
Ventilation
Having outlet airway
Having readliy movable air regulating louver, damper, or cover
34235, F24F 1310
Patent
active
055474225
ABSTRACT:
An outlet protector auxiliary, for a vent duct which leads exhaust substance from equipment, such as lint and moisture from a clothes dryer, for venting discharge exteriorly of a building's wall, the vent duct outlet having a movable closure flap which has a substance-discharge position and a closed position. The auxiliary is in the form of a metal framework providing a cage-like body member, having enclosure panels having openings of a restricted size such as to permit discharge of exhaust through the openings but to block entry into the duct, from the wall's exterior, of matter of any size significantly larger than the particles of exhaust substance for which the auxiliary is provided; and the cage-like body member has a peripheral flange by which it is connected to the wall. A portion of the cage-like body member is provided with a hinge, providing that a portion of the panel is movable to an open condition such that a user may reach into the cage-like body member to remove trapped sediment or the like which has collected.
REFERENCES:
patent: 3087563 (1963-04-01), Fisher
patent: 4090436 (1978-05-01), Wright
patent: 4934334 (1990-06-01), Breese
patent: 5046408 (1991-09-01), Eugenio
patent: 5383816 (1995-01-01), Marcello et al.
patent: 5409932 (1995-04-01), Joseph et al.
Joyce Harold
Spray, Patent Atty. Robert A.
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