US 1924284 A
Description (OCR text may contain errors)
Aug. 29, 1933. w. H.- KOHLEIR 1,924,284
nousm: wmnow on wmnow VENTILATOR Filed March 2, 1952 INVENTOR W LBUR HENRY KOHLER.
' 'A'r'roR A! Patented Aug. 29, 1933 DOUBLE WINDOW OR. WINDOW VENTILATOR Wilbur Henry Kohler, Montclair, J. Application March 2, 1932. Serial No. 596,221
2 Claims. 01. 9899) This invention relates to ventilating devices, and more particularly to an improved window ventilator so designed as to be easily installable and removable without tools, of simple and inexpensive construction, and incorporating among numerous important advantages, absolute weather tightness even when open, increased rather than decreased protection against the es.- cape of .heat or the entrance of drafts therethrough when closed, ease of operation, and rigidity of positioning when installed, whereby rattling and other noises of like nature are rendered a virtual impossibility. v
Among other important objectsshould be men-. tioned the provision in such a ventilator of 0ppositely hinged and arranged inner and outer baffles, so disposed and interconnected that both are automatically opened and closed simultaneously upon movement of the inner, that the baffles counterbalance and stabilize each other and so hold any position to which they may be adjusted, without the necessity of providing special securing or counterbalancing means,
Another object of this invention is the provision of improved means for detachably but rigidly securing in place window ventilators and other devices intended for similar removable positioning. I
' A still'further object is the provision of such a ventilator incorporating in addition to a plurality of spaced independently hinged but simultanejously operable baflles, meanscompletely screening the air passage through the ventilator, but offering no interference" to' manipulation of the baffles.
Still another object is the provision in such a ventilator of means effectively shielding against 'the'elements a window opening in which it is installed, whether the ventilator be open or closed,and providing as well means for guidingiy directing upwardly and close to the wall within the room, air currents entering through the ventilator when open. I I
Other objects and advantages will be apparent from the following description,.wherein reference is made to the accompanying drawing illustrating a preferred embodiment of my invention. and wherein similar reference characters designate similar parts throughout the several views:
Fig. 1 is a top plan view of a ventilator 1ncorporating, the principles of my invention;
Fig. 2 is a front elevational view thereof looking at its inner side, one baffle being partly broken away to aiford a view of the screen preferably incorporated in the device;
Fig. 3 is a vertical section taken substantially on the line 3-3 of Fig. 2; v
Fig. 4 is a top plan view similar to Fig. 1, but showing the ventilator in opened position; 7 Fig. 5 is a front elevational view taken looking at the ventilator as in Fig. 2, but showing the same open; l
Fig.6 is a sectional view, also taken on line BB of Fig. ,2, but showing the ventilator open;
Fig. 7 is a fragmentary detail top plan view of' one end of the ventilator, bringing out the construction of the retaining means; I
Fig-7a is a fragmentary detail front elevational view of this portion of the device, and
Fig. 8 is an enlarged fragmentary sectional viewsimilar to Fig. 6, showing in greater detail parts of the battle actuating and guiding means.
Referring now to the drawing:.Reference character 1 designates a frame, formed of any suitable material although preferablywood or metal, and generally rectangular in shape as shown .in Figs. 2 and 5. The frame is adapted to fit and be retained in a window opening, or the like, as, for example, in the grooves in which slide the sashes ofia double hung window of conventional construction, although this as well as the shape and general'construction of the frame will be seen to be purely optional and quite independent of the invention. V
For securing purposes the frame is along at least one edge provided with a yieldably out pressed retaining" member 7 of generally T-sec tion, having a stem portion 7' slidablein and transversely of a 'slotor groove 17 in the edge of the'frame, whileits head, portion is pref- 'erably of such widthas to fit snugly 1 in the groove of the window casing, although this also is optional. In the embodiment shown,.retaining member 7 is both positioned and limited in its movement by screws 8, the shanks of which in the retaining member, while the screw heads extend loosely through transverse apertures 18 serve as stops limiting outward movement of the stem portion of the T-sectioned retainer are trapped compression springs 9, shown as positioned 'by the shanks of screws 8, which they may encircle in the manner shown It will be.
seen that by properly'proportioning the frame to the width of the window, and despite any minor variations therebetween (which are compensated for by the resilient mounting of the retaining member) the frame may be positioned in'the grooves of a Window frame by merely forcing the retaining member inwardly sufficiently to permit inserting the ventilator frame, and then releasing the retaining member to allow it to snap outwardly into the groove; The spring also of course forces the opposite edge of the ventilator frame into the opposite groove of the window frame.
In the ventilator frame 1, there may be arranged a screen 6, which may be permanently secured in position, and to the inner and outer surface of the frame 1, are hinged bailles 2-3, the former, shown as the inwardly facing bafile,
being preferably hingedly connected to the bottom of the frame as at 10, while the outer baffle 3 is similarly attached to the outer surface of the frame adjacent its top as at 10. v
The baflles are interconnected for simultaneous opening and closing movement by means of lev-,
ers 4, one of these being preferably arranged at each end of the frame 1, to which they are centrally pivoted, as at 16. The levers havearms of substantially equal length, the ends of. which are slidably connected to the baffles 2-3 as by means of pin and slot connections provided by,
laterally projecting studs 15 carried by the ends of the lever arms and engaging in slotted guide are arranged between the ends of the screen and the frame, between which a narrow slot (undesignated) may be left to accommodate them, the screen offers no interference to their free swinging movement. The levers 4 may of course be formed of, sheet metal and if so constructed may be so thin that the slots required to be left to accommodate them will not permit the passage therethrough of insects or other foreign matter which the screen would not admit, or as shown, the central portion of each lever may be rounded and the arms being ofiset, as above described, lie outside and one on each side of the frame, while the central rounded portion fits tightly therein as shown in Fig. 3.
The hinged juncture of the outer b'afile and the frame is preferably protected by an overhanging guard member as 13, so contoured, as by being provided with a sloping upper surface, that rain and the like which runs or falls upon this part'of the frame is prevented from entering any interstices which may exist. in the hinges or along the hinged edges of the frame and outer baffle.
Further protection against the possible ingress of unwanted elements may be provided by end guards 14, shown as plate members of sectoral form secured to and projectingoutwardly from the surface of the frame 1 adjacent the edges of the outer bafileS, in such manner that the ends of this baffle swing in close proximity thereto.
ing of elements through the ventilator around the edges of the outer baii'le when opened.
For additionally assisting in positioning the ventilator an upwardly projecting strip as 12 may be secured to the inner surface of the frame, in front of which the lower edge of the window sash is adapted to be arranged and the latter of course closed down upon the top of the ventilator frame as tightly as may be. Any water which seeps into this space between the window and the frame is thus prevented by strip 12 from entering the room, and if a slight downward slope is given to the top of frame 1, as shown in Figs. 3 and 6, any such water will run naturally therefrom and, over the guard strip from which it may harmlessly drip.
By virtue of the oppositely hinged arrangement and the pivotal interconnection of the baffies provided by the levers 4, the baffles, as will be apparent, not only move in unison upon the manipulation of either, but balance each other when opened, whether fully or to any intermediate degree. The outer baffle 3 further provides a natural shield, down and over which precipitated elements may run while being simultaneously conducted away from the window. The guard members i31 l further obviate any possibility of undesired moisture entering the window through the ventilator, while the inclination of the inner baiile when open is, by virtue of its bottom hinging, such that infiowing air currents are thereby directed upwardly a'ndcloseto the wall of the room in a manner recognized as highly advantageous. A knob as 11 for manipu lating the inner baffle may of course be provided;
While it will be apparent that the preferred embodiment of my invention herein disclosed is its lower edge to the lower part of the inner face of said frame, a second window hingedly connected at its upper edge to the upper part of the exterior face of said frame, slotted brackets attached to the sides of the windows, acentrally pivoted offset lever having laterally extending pins in the extremities thereof,the pins being in sliding engagement with the slotted brackets and the windows being similarly constructed and placed but oppositely hinged, whereby the tendency of one window to swing open is balanced by the tendency of the other window to swing closed. 7
2. A device of the class'described comprising a screen frame, a window hingedly connected at its lower edge to one face of said frame, a second window hingedly connected at its upper edge to the other face of said frame, and a longitudinal guard overhanging the hinged juncture of the outer window and frame, and projecting out.- wardly beyond the upper outer edge of said outer window in all adjusted positions of the latter. 7
WILBUR. HENRY KOHLER.