Shutter assembly for an intake opening in an exhaust fan

Ventilation – Having outlet airway – With air pump

Reexamination Certificate

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Details

C049S395000, C049S475100, C292S194000

Reexamination Certificate

active

06599183

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to shutters and more particularly pertains to a new shutter assembly for an intake opening in an exhaust fan for improving heating and cooling efficiency of a structure by selectively preventing air in the structure from flowing through the exhaust fan and out of the structure when the fan is not being operated.
2. Description of the Prior Art
The use of shutters is known in the prior art. More specifically, shutters heretofore devised and utilized are known to consist basically of familiar, expected and obvious structural configurations, notwithstanding the myriad of designs encompassed by the crowded prior art which have been developed for the fulfillment of countless objectives and requirements.
Known prior art includes U.S. Pat. No. 2,631,519; U.S. Pat. No. 4,385,552; U.S. Pat. No. 4,406,216; U.S. Pat. No. 4,372,196; U.S. Pat. No. Des. 281,273; and U.S. Pat. No. 3,651,750.
While these devices fulfill their respective, particular objectives and requirements, the aforementioned patents do not disclose a new shutter assembly for an intake opening in an exhaust fan. The inventive device includes a door for selectively closing an air intake opening in an exhaust fan. The door is mountable on the surface around the exhaust fan by at least one hinge member. The hinge member may be mounted on the door for pivotally coupling the door to the surface around the exhaust fan such that the door is pivotable between an open position and a closed position. A locking assembly is mounted on the surface and releasably couplable to the door for selectively securing the door in the closed position.
In these respects, the shutter assembly for an intake opening in an exhaust fan according, to the present invention substantially departs from the conventional concepts and designs of the prior art, and in so doing provides an apparatus primarily developed for the purpose of improving heating and cooling efficiency of a structure by preventing air in the structure from flowing through the exhaust fan and out of the structure.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the known types of shutters now present in the prior art, the present invention provides a new shutter assembly for an intake opening in an exhaust fan construction wherein the same can be utilized for improving heating and cooling efficiency of a structure by preventing air in the structure from flowing through the exhaust fan and out of the structure.
The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new shutter assembly for an intake opening in an exhaust fan apparatus and method which has many of the advantages of the shutters mentioned heretofore and many novel features that result in a new shutter assembly for an intake opening in an exhaust fan which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art shutters, either alone or in any combination thereof.
To attain this, the present invention generally comprises a door for selectively closing an air intake opening in an exhaust fan. The door is mountable on the surface around the exhaust fan by at least one hinge member. The hinge member may be mounted on the door for pivotally coupling the door to the surface around the exhaust fan such that the door is pivotable between an open position and a closed position. A locking assembly is mounted on the surface and releasably couplable to the door for selectively securing the door in the closed position.
There has thus been outlined, rather broadly, the more important features of the invention in order that the detailed description thereof that follows may be better understood, and in order that the present contribution to the art may be better appreciated. There are additional features of the invention that will be described hereinafter and which will form the subject matter of the claims appended hereto.
In this respect, before explaining at least one embodiment of the invention in detail, it-is to be understood that the invention is not limited in its application to the details of construction and to the arrangements of the components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced and carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting.
As such, those skilled in the art will appreciate that the conception, up on which this disclosure is based, may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present invention. It is important, therefore, that the claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present invention.
Further, the purpose of the foregoing abstract is to enable the U.S. Patent and Trademark Office and the public generally, and especially the scientists, engineers and practitioners in the art who are not familiar with patent or legal terms or phraseology, to determine quickly from a cursory inspection the nature and essence of the technical disclosure of the application. The abstract is neither intended to define the invention of the application, which is measured by the claims, nor is it intended to be limiting as to the scope of the invention in any way.
It is therefore an object of the present invention to provide a new shutter assembly for an intake opening in an exhaust fan apparatus and method which has many of the advantages of the shutters mentioned heretofore and many novel features that result in a new shutter assembly for an intake opening in an exhaust fan which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art shutters, either alone or in any combination thereof.
It is another object of the present invention to provide a new shutter assembly for an intake opening in an exhaust fan which may be easily and efficiently manufactured and marketed.
It is a further object of the present invention to provide a new shutter assembly for an intake opening in an exhaust fan which is of a durable and reliable construction.
An even further object of the present invention is to provide a new shutter assembly for an intake opening in an exhaust fan which is susceptible of a low cost of manufacture with regard to both materials and labor, and which accordingly is then susceptible of low prices of sale to the consuming public, thereby making such shutter assembly for an intake opening in an exhaust fan economically available to the buying public.
Still yet another object of the present invention is to provide a new shutter assembly for an intake opening in an exhaust fan which provides in the apparatuses and methods of the prior art some of the advantages thereof, while simultaneously overcoming some of the disadvantages normally associated therewith.
Still another object of the present invention is to provide a new shutter assembly for an intake opening in an exhaust fan for improving heating and cooling efficiency of a structure by preventing air in the structure from flowing through the exhaust fan and out of the structure.
Yet another object of the present invention is to provide a new shutter assembly for an intake opening in an exhaust fan which includes a door for selectively closing an air intake opening in an exhaust fan. The door is mountable on the surface around the exhaust fan by at least one hinge member. The hinge member may be mounted on the door for pivotally coupling the door to the surface around the exhaust fan such that the door is pivotable between an open position and a closed position. A locking assembly is mounted on the surface and releasably couplable to the door for selectively securing the door in the closed position.
Still yet another object of the present

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