Movable or removable closures – Facially opposed primary and auxiliary closure for common... – Auxiliary mounted for movement
Reexamination Certificate
2000-05-22
2001-05-15
Redman, Jerry (Department: 3634)
Movable or removable closures
Facially opposed primary and auxiliary closure for common...
Auxiliary mounted for movement
C049S086100
Reexamination Certificate
active
06230442
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to window blind systems and more particularly pertains to a new enclosed window blind system for preventing dust from collecting on a set of blinds.
2. Description of the Prior Art
The use of window blind systems is known in the prior art. More specifically, window blind systems 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. 4,649,980; U.S. Pat. No. 5,379,825; U.S. Pat. No. 4,913,213; U.S. Pat. No. 5,372,173; U.S. Pat. No. 5,249,616; and U.S. Pat. Des. 255,720.
In these respects, the enclosed window blind system 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 preventing dust from collecting on a set of blinds.
SUMMARY OF THE INVENTION
In view of the foregoing disadvantages inherent in the known types of window blind systems now present in the prior art, the present invention provides a new enclosed window blind system construction wherein the same can be utilized for preventing dust from collecting on a set of blinds.
The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a new enclosed window blind system apparatus which has many of the advantages of the window blind systems mentioned heretofore and many novel features that result in a new enclosed window blind system which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art window blind systems, either alone or in any combination thereof.
To attain this, the present invention generally comprises a frame having a front face, a rear face, an inner periphery, and an outer periphery. As shown in
FIG. 4
, the inner periphery has an inwardly extending lip integrally coupled thereto and extending inwardly therefrom in coplanar relationship with the rear face. Next provided is a pair of panes of glass mounted on an interior surface of the inwardly extending lip. The panes of glass are spaced with respect to each other. This is accomplished by way of a pair of horizontally oriented U-shaped forms mounted between top and bottom edges of the panes and a pair of vertically oriented U-shaped forms mounted between side edges of the panes. The U-shaped forms each define a pair of parallel walls which confine either a vertical slot or a horizontal slot. As shown in
FIG. 4
, a vertical compartment is defined between one of the vertically oriented U-shaped forms and the inner periphery of the frame. Also included is a vane assembly having a plurality of vanes each with a pair of posts integrally coupled to ends thereof and extending therefrom in coaxial relationship. The posts of each of the vanes are adapted for being rotatably received within an inside bore formed in one of the vertically oriented U-shaped forms such that each post is in a separately defined bore. A plurality of pulleys are provided each having a diameter greater than that of the posts. As shown in the various Figures, each pulley is rotatably mounted within an outside bore formed in one of the vertically oriented U-shaped forms and coupled to one of the posts of the vanes in coaxial relationship therewith. Further, each pulley has a pair of spaced concentric inner grooves formed therein within the slot of the vertically oriented U-shaped form. For reasons that will soon become apparent, a bottommost one of the pulleys has a single outer groove formed in the vertical compartment of the frame. Mounted between the inner grooves of the pulleys and within the vertically oriented forms are a plurality of bands. In operation, the vanes each rotate coincidentally about parallel horizontal axes. For connecting the pulleys of each side, a connector assembly is provided including a horizontally oriented dowel formed in a bottommost one of the horizontally oriented U-shaped forms. A pair of pulleys are mounted on ends of the horizontally oriented dowel, as shown in FIG.
3
. These pulleys are adapted for being connected via bands to a bottommost pair of the pulleys within the vertically oriented U-shaped forms. Finally, a manual rotation mechanism includes a knurled disk mounted within a recess formed in the front face of the frame. An axle is mounted on a first side of the disk in concentric relationship therewith for being rotatably received within a lateral conduit formed in the frame. As shown in
FIG. 4
, mounted on a second side of the disk is a pulley. A band is mounted between a groove of the pulley of the manual rotation mechanism and the outer groove of the bottommost one of the pulleys of the vane assembly. With reference still to
FIG. 4
, a lateral hole is shown to be formed on an end of the lateral conduit. Such hole serves for receiving a spring and a ball bearing. The ball bearing is positioned between the axle and the spring for abating the rotation thereof. During use, the vanes may be rotated coincidentally via the manual rotation of the disk.
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, upon 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.
It is therefore an object of the present invention to provide a new enclosed window blind system apparatus which has many of the advantages of the window blind systems mentioned heretofore and many novel features that result in a new enclosed window blind system which is not anticipated, rendered obvious, suggested, or even implied by any of the prior art window blind systems, either alone or in any combination thereof.
It is another object of the present invention to provide a new enclosed window blind system which may be easily and efficiently manufactured and marketed.
It is a further object of the present invention to provide a new enclosed window blind system which is of a durable and reliable construction.
An even further object of the present invention is to provide a new enclosed window blind system 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 enclosed window blind system economically available to the buying public.
Still yet another object of the present invention is to provide a new enclosed window blind system which provides in the apparatuses of the prior art some of the advantages thereof, while simultaneously overcoming some of the disadvantages normally associated
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