US 2419441 A
Description (OCR text may contain errors)
April 22, 1947. P, DE RO A 2,419,444
Filed Oct. 3, 1944 INVENTOR. N/C/INOE R DE ROD/I.
ATTOENEK Patented Apr. 22, 1947 UNITED STATES? PATENT OFFICE,
21Claimse This invention relates to improvements in kites generally," and particularly-to the-construction;
Ahotlienolo'ject' -of the -invention is to provide in tY-ie aforedscribed structure a reinforcing arrangement whereby-the middle andmain' portions are sub"stantially rigidly held with one another? and wherein the reinforcements employed for that purpose extend beyond the front edge of the main *portion 4 to 4 support the 1 front por tion or front" element equipped with vibratory sound producingmeans.
A still further 1 object ofthe resent-invention 15 w provid witlf the main body of 'th'edevice, highly resilient edgereinforcing: members-so constructed that their -maj or :porti'onsassume a poprotecting the. structure in lateraldirection againse shock" andda'mage; whereas-their end portions are twisted =gradually co assume-='a'position vertica l to themain body; whereby the ends oi the latter become strong and highlyresilient: ion protectiomagainst' breakage when' the device. should accidentally land upon one or the other- The foregoinggand still furthenimportant objects and advantages of the present'invention will become more fully apparent from the ensuing description in combination withtlieaccompanying drawings;: wherein:
Fignlis a plan view of the kite, in accordance.
withthe present invention,-witlrthe left-portion thereofiparti ally uncoveredltoexpose theaframe structure thereof EligiHmisi-Jasdront elevation oft-:the device}; Fig. 3 is an enlarged detail view of the end construction of the sound producing element of the device;
2. Fig. 4'is a side view of the main Voricentral-res inforcing member of "J the kite Fig. 5 is a side view of the resilient edge reinw forcing member of the IdBViCB; and a Fig." 6 "is a diagran'lmatical side'elevati-on .oirthe device in" flight."
Referring nowi'specifically"to'the' figures; nu-: meral l denotesthe icentral, .longitudina'l-reine forcement of the kite, to: which: "are attached'lat Il'andlZ edge reinforcing members I3 and;
such as shownindetailin Fig. 5, Theseredge: reinforcing 'members form. the supportiformaim body or'main portion" l; which is ."Of'i an oblong;
shape and'forms twowing planes with-substantially oval ends,- The centralreinforcingmemher. it] extends forwardof the main body and: attached thereto at "I 6 aretresilient'wing reinforcing members i l and 18: These 'reinforcing mem-w bers are shaped similarlyto-the main'rreinforceement lDrin th'at'they are thicker; at therfrontal end andare graduallythinned 'dowrrtowards: their angularly'disposed'ends: I9, which latter extend" approximately to the longitudinal center of "the main body: The portions .of resilient'reinforcements I I and I 8 in front ofthe main body are covered with a=' suitable -material such as: paperor cloth-and they, together with the frontal portion ofimainreinforcement 10; form the 'fIOII-F tal part or noseZll 'of-the kite;
Itwill'be observed-at the left-hand end 4of=the figure that edge "reinforcements I 3' and- I4 of the main" body extend-sidewise for: a: considerabledistance 'from central reinforcement lll 'and'lay in the horizontal plane of themiddle' porti'on of the main" body, whereas their' bowed, gradually reducing ends are" twisted "to-assume a vertical position; as indicated-at l3" and 14' The thin 1 ends of'the bowed termini of the edge zreinforce ments are rendered highlyresilient andi'are held togetherby cordzor other-flexiblemeansll: Thecord ends'are knottedtogether-at 2| to-a Iongitudinal central cord "22; which latter ,connects' the-end joints of the-bowedtermini in longitudtnal direction. In order to stabilize-'the-position ofrnain cord :22 thereare provided;cords423-arranged in'the shapeof adiamondr These cordsare attachedr-at 24 main cord 4-22 and: are se-rcured at "points: i l v and I2 to both 'the centralv reinforcingemember Ill as "Well? as to the thick, center 7 portions 24 0fthe edge reinforcements Frontal portion: 20,0f .-the kite includes; iaesound' producing element which consists-of anbowa 25 secured with its center at point I I to frontal edge reinforcement I l and longitudinal reinforcement ID. The upwardly swung ends of the bow are held in position by cords 2B and 21. Cords 26 extend rearward and are connected at point 12 to the main frame and rear edge reinforcement l3, whereas cords 2! are secured near the front tip of central reinforcement l at 21 from where they extend rearwards to the points of attachment with the bow ends. At the ends of the how are provided seat members or saddles 28, over which are swung the end portions of an elastic band 29. That band is adapted to produce a sound when the device passes through a current of air.
Extending from the rear edge of main body I is the kite middle portion 30. The latter consists of an edge reinforcement 3| in the form of a bow which is centrally attached at 32 near the end of main reinforcement l0, whereas its legs are held in bowed position by end cords 33 and middle cords 34. In order to stabilize the rear end of main reinforcement l0 there are provided connecting cords 35 which extend from points 36 serving also as attaching points of end cords 33.
The rear or tail portion 36 of the device is formed by a pair of flaps 31 which are secured along one edge to bow 3|, whereas the rest of their bodies are entirely free. They are intended to stabilize the device in flight.
The entire framework of the main and middle portions is covered by a suitable material such as paper or cloth, and the same material is employed to form flaps 31. It is preferred that the rounded end edges of the main body are reinforced by the covering, as indicated at 38, and that longitudinal main reinforcement is also covered as indicated at 39. Similarly the cord or string members connecting the framework are preferably secured to the covering by suitable patches as indicated at 40.
Referring now to Fig. 6, it will be observed that at points II and 12 are secured the ends 4| and 42 of a guide cord 43 by means of which the device is launched and held in its flying position.
Due to the particular construction of edge reinforcements l3 and M the major position of the main body will be substantially horizontal, while the wing ends become somewhat bowed in upward direction, whereby-an effective supporting surface for the device in flight is provided. Middle portion 30 also serves as supporting surface in longitudinal direction, whereas flaps 31 of the rear or tail portion form stabilizing means for the kite under ordinary flight conditions.
Particular attention is directed to the vertically twisted end reinforcements of the main portion, which not only serve for elevating the wing surfaces of the main body, but form resilient end structures, which, when the device lands sidewise, will protect it from serious damage. A similar protection is afforded by the front and rear extensions of the longitudinal main reinforcement 10, so that when the device falls front or rear point first, the ends of member 10 will absorb the shock of the impact.
The frontal part of the device is made heavier than the middle and rear portions. This is due to the fact that in the first place main reinforcement II] is made heavier toward the front, and additionally bow 25, secured to frontal reinforcement l4, increases the weight. This increase in weight at the front end of the device is still further augmented by the arrangement of the wing reinforcements I1 and 18. In consequence of the front part of the device being heavier than the rear portion, the tendency of the device, when falling, will be to come down with the front end first. Thus the possibility of damage to the device becomes considerably minimized.
Attention is also directed to the seat members or saddles 28 for the support of sound cord 29. During flight the sound cord is subjected to violent vibrations which in time would affect the ends of the bow material. It is preferred therefore to provide the ends over which sound cord 29 is strung with substantial reinforcements in the form of cylindrical blocks made of material sufflciently strong to withstand the rubbing effect produced by cord 29.
While the drawings illustrate a specific construction of the present invention, it is to be understood that slight variations and changes in the arrangement of reinforcements, tie cords and the grouping of the different sections of the device may be made, without departing from the scope of the invention, as defined in the annexed claims.
1. A kite structure comprising a frame-like frontal part or nose and planes-forming main,
middle and rear portions, the latter three portions.
constituting continuations of each other, said main portion having side wings extending beyond the width of the middle and rear portions, a centrally disposed longitudinal reinforcing member for the frontal part and the main and middle portions and comprising a tapered element larger and heavier at its front end and reducing in thickness and weight toward its rear end, the front end of said element extending beyond the nose, its reduced, substantially lighter rear end projecting beyond the middle portion, said main portion having edge reinforcements comprising elements tapering toward both ends and having a relatively thick central enlargements, the tapering ends being twisted from a horizontal to a vertical position, flexible means connecting the Vertically positioned ends of these edge reinforce ments, a bow supported by and centrally secured to the frontal edge reinforcement of the main portion and beingheld at substantially a right-angular position relative to said frontal reinforcement by frontal cords secured to the forwardly extending, large end of the central rein forcing member and by rearwardly extending- REFERENCES CITED The following references are of record file of this patent:
UNITED STATES PATENTS in the Number Name Date 121,056 Maddaus Nov. 2-1, 1871 1,762,551 Gambito June 10, 1930 2,035,730 Trevor Mar. 31, 1936 1,632,822
Dahl June 21, 1927