US2475976A - Airplane box kite - Google Patents

Description

July 12, 1949. c. J, MCCOY 2,475,976

1 AIRPLANE BOX KITE Filed 003t- 25, 1947 2 Sheets-Sheet 1 INVEN TOR. ('U/FT/JJ J M 6'0)? July 12, 19499 c. J. MCCOY 2,475,976

AIRPLANE BOX KITE Filed Oct. 23, 1947 2. Sheets-Sheet 2 Patented July 12, 1949 U N l TED S I'A'I'ES QFF AIRPLANE BOXIKITE Curtiss J. McCoy; lndianapolisfliid.

'Applicationootcber 23, 1947; SeiiaI 5103 181519 3"Claims. 1

This invention relates to an airplane box-kite.

The chief object is to provide abox kite of airplane' type which-is comprised of but few parts and these of such material and" size that in and of themselves they individually have butlittle structural strength and are of such size that they-can be included *as a premium ina carton having at least one dimension or diagonal but slightly larger than half the Wing span.

The chief feature of the present invention residesin the construction of a box kite in airplane form and oi -parts having'the characteristics aforesaid.

Other objects and features of the invention will be set forth more fully hereinafter.

The full nature of the invention will be understood from theaccompanying drawings and the following description and claims:

'In the drawin Fig. '1 is a plan View of parts is diassembled relation.

Fig. 2 is a front elevationalview.

Fig. 3 is a top plan view.

Fig. 4 is a side elevational' view.

Fig. 5 is a transverse sectional-view taken on line"5"5 of Fig.3 and in the direction ofthe arrows.

Fig.6 is 'a transverse sectional vlew taken 'on line 65 of Fig. 4 and in the direction of the arrows.

In Fig. 1 there is illustrated a wing outlined sheet of paper Ill, of the character generally used for labels. Obviously it is very light and fairly tough and may be colored on either or both sides as desired. II indicates a strip of similar paper for forming the forward cell of the kite. It may have the same or a contrasting color. I2 indicates a strip of similar paper for forming the trailing cell, it being understood that the resulting box flies with the cells more or less one behind the other, thus differentiating from a conventional box kite. Strip I2 may be of the same color as the forward cell strip or that of the wing if of contrasting color.

I3 indicates a sheet of heavier paper, such as 110 pound, and I4 another sheet of the same type paper board. The smaller dimension thereof may be optional. I5 indicates five substantially identical sticks of a length approximately half the span of the wing. 9 indicates an optional horizontal elevator member of the same weight as sheets I3 and I4. Herein for tail skid representation sheet I2 at opposite ends terminates in ogee curve formations. This is optional.

Reference will now be had to Figs. 2 to 6 in- 2 elusive wherein the -aforesaid tparts" are illustrated' in asseifrloled relation, it beingund'erstood that the horizontal stabilizer and vertical stabilizer (rudder) 'canbeomitted in: the simplerforms of the basicwinventiony-and in the simplest form both stabilizers are omitted.

Secured bathe-forward edge-of sheet I3 and in longitudinal alignment and preferably in end to end engagement aretwo of the balsa wood sticks 15. In parallel relation are two other sticks I5 withtheir-ends -abutting the first mentionedsticks. '-'I-he latter twosticks are-secured to thetwosides immediately contiguous to the first mentionedsideof sheet I3.-

The end-to-end wing stick engagement is medianly disposed relative-to said first mentioned side. Tothe four adjacent-end portions of said four sticks and =to -the.-s ides' opposite those adhesively secured to said sticks. there is adhesively secured-sheet. V

The sheet I-Il'ithe wing) is"-then'adhesively secured to sheet I31 and totlie exposed facesof the aligned sticks Sq thatthe former is stiffened.- The result is a-rel'atively'rigid wing structure, the forward edge ofw-hich-is rigid, by reason of thealigned sticks ISfand the central portion of 'which. is stiffened-and stabilized by sheets I3 and "I4 and the rearwardly directed parallel sticks I5.

Sheet II is scored or creased as at It) and I1, the latter forming flaps I8 and the former sides I9 and central portion 20. Each flap I8 is apertured at 2|. Said flaps are adhesively secured together after portions I9 and 20 are disposed in triangular relation. This disposes the double flap structure outwardly and perpendicularly to side 20.

Side 20 is then adhesively secured to the free surface of wing I 0 and when so secured crease lines I6 register with the outside faces of the two parallel sticks and the edge of portion 20, closest to holes ZI, registers with the forward edge of wing I0 and the two forward faces of the aligned sticks I5. This is a further reenforcement for the central portion of the Wing. Holes 2i now register and are located at the forward portion of the forward cell, and flaps I3 serve as a vertical vane in flying.

Sheet I2 is then folded into triangular form on score or crease lines 22 and 23 which form adjacent sides 24 and central portion 25 and the end flaps 26. For convenience only strips II and I2 may have the same width. They are dissimilar in length. The two flaps 26 with tail skid ogee outline 26 are adhesively secured together forming the rear or trailing cell.

The free ends of the two parallel sticks on the outermost sides and the coplanar sides substantially coincident with strip 14, or the sides to which said strip is secured, are then provided with adhesive and inserted into the rear cell and secured at the two corners substantially in alignment with the wing. Thus the tail skid portion, if provided, is medianly and dependingly disposed relative to lower rear end of the airplane box kite.

Then the remaining stick has adhesive applied to the same and two adjacent faces at opposite ends and inserted into the two cells at the depending vertices thereof so that it is coextensive with the creases l1 and coextensive with creases 22 to approximately the same extent as the two parallel sticks I5 are coextensive with creases 23.

There is a light difierence since the end of the lower stick extends forwardly of the ends of the upper parallelsticks bythe width of the wing aligned sticks l5. Preferably but not necessarily the rear cell receives the projecting ends of the well as others which will readily suggest themselves to persons skilled in this art, all are considered to be within the broad scope of the invention, reference being had to the appended claims.

The invention claimed is:

1. An airplane box kite including in combination a forward triangular outlined cell, a similar rearward triangular outlined cell, the same being directed downwardly, stick members connecting same in spaced relation and disposed at the vertices of said cells, and oppositely directed wings juxtapositioned to the forward cell, each wing having a trailing and a leading edge, one of said edges of each wing substantially straight, the straight edges being longitudinally aligned, a stick member registering with and secured to that straight edge and having its end adjacent the cell secured to one side of that cell, and vertical and triangularly disposed parallel sticks to an extent equal to about one half the length of said cell.

Also by reason of the forward cell not enveloping, as it were, the two parallel sticks while the rear cell does, the lengths of comparable portions 20 and 25 and I9 and 24 are not equal.

Whenever a tail skid is not desired one flap 26 may have the shape of a flap l8 and be an extension of one side and lap the other side 24 and be adhesively secured thereto.

Furthermore, the airplane box kite of either form, that is, with or without the tail skid, may have secured to it the horizontal stabilizer sheet 0 as by gluing the central portion thereof to por tion 25 of the rear cell and in the desired relationship. Herein it is illustrated as disposed rearwardly thereon, see Figs. 3 and 4.

While the invention has been illustrated and described in great detail in the drawings and foregoing description, the same is to be considered as illustrative and not restrictive in character.

The several modifications described herein as horizontal stabilizing vane means carried by the rearward cell.

2. An airplane box kite as defined by claim 1 wherein the vertex disposed and wing edge disposed stick members are substantially of equal length.

3. An airplane box kite as defined by claim 1 wherein the edge disposed stick members substantially abut at their adjacent ends, and a pair of reenforcing sheets disposed in parallel relation with the abutting ends of the stick members secured therebetween, one of said reenforcing sheetsbeing substantially coextensive in length with the width of a face of the forward cell and secured thereto.

CURTISS J. MCCOY.

REFERENCES CITED The following referenlces are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,267,135 Sprague May 21, 1918 1,546,099 Myers -July 14, 1925 1,704,800 Miller Mar. 12, 1929 2,240,881 Bradford May 6, 1941

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