Drying and gas or vapor contact with solids – Apparatus – Houses – kilns – and containers
Patent
1996-08-23
1998-03-03
Bennett, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Houses, kilns, and containers
55337, 55505, 454359, F26B 1900
Patent
active
057221812
ABSTRACT:
An exhaust vent guard for protecting the exit area of an air vent conduit includes an upper hood portion and integrally therewith a lower cage portion. The upper hood portion includes a top wall, a pair of sidewalls, and a front wall, which collectively provide a weather barrier to prevent the entry of rain, snow, and other debris into the air vent conduit. The lower cage portion includes a bottom wall, a pair of sidewalls, and a front wall, each of which are constructed and arranged with a plurality of openings for permitting the free flow of air through the lower cage portion while at the same time being small enough to prevent the nesting of birds inside of the exhaust vent guard. In a related embodiment, a similarly configured exhaust vent guard is used in combination with a vent frame and a pair of flow-control louvers which are pivotally mounted into the vent frame. The vent frame includes a central opening which is covered by the louvers when the louvers are in a closed condition, the louvers being arranged to open in response to an exiting air flow and to close back when the air flow is removed. The guard assembles to the vent frame by a snap-fit arrangement.
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"1994 Hardware Catalog", Deflecto Corporation, P. O. Box 50057, Indianapolis, IN 46250, (primarily pp. 4, 5, and 6).
Bennett Henry A.
Deflecto Corporation
O'Connor Pamela A.
LandOfFree
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