Title:
Glider
United States Patent 2067423
Abstract:
Our invention relates to improvements in gliders and particularly to a glider which is adapted to be detachably secured to the body of a person and to be readily manipulated by the person from a closed position of non-use to an outspread position of use. With our improved glider a person is...


Inventors:
Sohn, Clement J.
Davis, Arthur J.
Application Number:
US4863435A
Publication Date:
01/12/1937
Filing Date:
11/07/1935
Assignee:
Sohn, Clement J.
Davis, Arthur J.
Primary Class:
Other Classes:
244/138R
International Classes:
B64D17/78
View Patent Images:
Description:

Our invention relates to improvements in gliders and particularly to a glider which is adapted to be detachably secured to the body of a person and to be readily manipulated by the person from a closed position of non-use to an outspread position of use.

With our improved glider a person is able to descend from great elevations and to control and guide the direction of descent. The wings are so constructed as to be adjustable with respect to the wearer's body to change the angle of incidence of each wing or to raise or lower the wings.

Our improved glider is simple, inexpensive, easily secured in place, and normally held folded ]5 against the wearer's body. It is adapted to be quickly outspread to the position of use and to be folded into a position of non-use. It comprises a pair of wings, the leading edges of which are disposed underneath the horizontally outstretched arms of the wearer with the arms serving to form the leading edges of said wings but being at all times free for release therefrom.

A feature of importance is that each wing is quadrant shaped and has a leading edge which for the majority of its length has a thickness commensurate with the arm of the wearer and the wing tapers therefrom in thickness to an arcuate trailing edge. The axis of each wing is supported within an axialla of the wearer and a harness is provided to secure the wings in place.

The complete glider mechanism includes a web section secured between the legs of the wearer and adapted to be outspread by the spreading apart of the wearer's legs. Each wing is subject q5 to the control of the adjacent arm of the wearer and is adapted to be held in the outstretched position thereby and is provided with means operable to automatically fold the wing upon its release by the arm of the wearer. The wings are carried by a frame or harness whereby they are secured to the body of the wearer. This harness includes a saddle or breast support upon which the weight of the wearer's body is taken when in flight. The wings are pivoted to opposite sides of this support.

An important object is the provision of a wing and harness structure so arranged that the load on the wings in use is taken by the harness and 50 this load does not have to be taken by the arm of the wearer in flight.

Various other objects, advantages and meritorious features of our invention will more fully appear from the following description, appended 56 claims, and accompanying drawings, wherein: Figure 1 is a view showing an operator equipped with our improved glider, Fig. 2 is a perspective of the frame work and harness of the glider showing the frame work of one wing unfolded, Fig. 3 is a cross sectional view through one of the wings, Fig. 4 is a fragmentary elevation partly in section of one of the wing supports, Fig. 5 is a side elevation of a wing frame folded, Fig. 6 is a horizontal sectional view through the lower end of one of the wing supports, Fig. 7 is a perspective of a wing folded showing securement of the cover thereupon, Fig. 8 is a perspective of a breast pad for the breast support, Fig. 9 is a perspective of a modified form of the wing rib which constitutes the leading edge of the wing, and Fig. 10 is an end view of a wing partly broken away to show the interior structure.

The invention comprises a pair of wings which are adapted to be secured to the body of a person by a suitable harness so that the wings can be readily controlled and so that the wings are normally disposed when in use underneath the horizontally stretched arms of the wearer and form web-like wing members extending outwardly from the wearer's trunk underneath the arms and subject to the control of the arms. The arms are at all times free for release of either wing so that each arm may be used for any other purpose for which it may be desired.

In use our improved glider is adapted to be employed to permit a person to descend from a great height as from an aeroplane and to glide as desired and to control the direction of travel.

The wearer glides downwardly head foremost with his body at a slight angle to the horizontal.

As now used the glider is employed in conjunction with a parachute and is employed for the initial portion of the descent. The parachute is used for the final portion of the descent being opened at such point above the surface of the earth as is decided upon to make a safe landing. The glider comprises a supporting frame or harness which is secured to the body of the wearer and which carries the wings and a tail section or web. This frame includes a breast support or saddle 10 which carries a pair of wings 12. A tail or web section 14 is arranged between the legs of a coverall garment 16 and forms a part of the glider mechanism. This breast support is adapted to receive the breast of the wearer forming a saddle which carries the weight of the wearer in flight. It is generally of a U-shape and extends across the breast of the wearer with the ends thereof disposed within the axillae of the wearer. The ends of this breast support are connected across the back of the wearer by a strap 17. This strap is secured to the ends of the breast member by clevises 18 and cap screws 20. The strap may be tightened or loosened by a buckle like .member 22. The breast member 10 is supported by shoulder straps 24 which extend over the shoulders of the wearer.

A tubular T-shape wing supporting member 26 has a head 28 mounted upon the end of the breast member 10. The tubular head is received over the end of the breast member as illustrated particularly in Fig. 4. The cap screw 20 is threaded into the end:of the breast member to hold the wing supporting member and clevis 18 thereupon. By adjustment of the cap screw in its threaded engagement with the breast member the position of the wing supporting member thereupon may be changed and the wing supporting member moved in or out with respect thereto to vary the position of the wing carried:thereby. The wing supporting member is provided with end flanges 30 which are quadrant shaped and each is provided along its arcuate margin with a series of apertures. Each aperture is adapted to receive an end of a wing rib 32.

A plurality of such ribs are provided, four being here shown. As here illustrated in Figs. 2, 3, and 4 each rib is of a generally triangular or V-shape. -The two sides of the V have their opposite ends turned inwardly as illustrated in Figs. 2 and 3 to be received within the apertures in the flanges. Washers and cotter pins or other suitable means may be provided to hold the ribs in place as illustrated in Figs. 3 and 4. Each of these ribs is provided with a pair of cross arms or braces 34. The upper rib is provided at its outer end with a handle or hand grip portion 36 which may, as shown in Fig. 7, be detachable for convenience in assembling the cover upon the wing frame. The other ribs taper to a single outer end portion as shown.

The ribs are adapted to fold together as shown in Fig. 5 against the wing supporting member 26 or to be unfolded as shown in Fig. 2 to support the outspread wing. A ribbon 38 or the .like is secured at one end to the uppermost rib as illustrated in Fig 2 and at the opposite end to a clevis at the lower end of the wing supporting member 26 to limit the spread of the wing and to position the several ribs in spaced apart relationship when the wing is outspread as shown in Fig. 2. A suitable wing retracting element 40 is likewise secured to the outer rib at one end and at the opposite end to the clevis above described. This retracting element may be formed of rubber or other resilient spring material and extends over a loop spaced midway of the wing supporting member. It is adapted to normally hold the wing structure folded against the wing supporting member as shown -in Fig. 5. This wing structure may be moved to its unfolded relationship as shown in Fig. 2 by the wearer exerting a lift on the handle 36 -so as to stretch the wing out.

The wing frame structure is provided with a cover 42 formed of suitable fabric or other material which is adapted to be stretched thereover 76and which- forms a completely close.d jacket thereabout. This cover is provided with suitable fastener means 44 closing an opening therein whereby the cover may be secured in position upon the wing frame and released to permit its removal therefrom. The wing structure and the cover are so formed that the wing is completely unfolded when it is moved to the position shown in Fig. 1 and it then constitutes a quadrant shaped wing underneath the arm of the wearer.

It is held in such shape by the wearer gripping the handle 36. The cover is provided with pockets 45 adapted to receive the ends of the ribs 32 as illustrated particularly in Fig. 3.

-The lower end of each wing supporting member 26 is heldto the.body of the wearer at the waist by an adjustable back strap 46 and an adjustable girth 48. The back band and girth are secured at their ends to suitable clevises formed on the lower ends of the wing supporting members 26 and each is provided with an adjustmnent in the form of a buckle like member 50 whereby the wing supporting members may be held snugly to the body of the wearer and may be moved fore and aft with respect thereto by adjustment of the girth or back band respectively. Through adjustment of these straps 46 and 48 and.adjustment of the cap screws heretofore described it is possible to adjust the position of the wings or to change their angle of Incidence as desired. When the wings are-outspread and held in the unfolded position by the horizontally outstretched arms of the wearer as shown in Fig. 1, the wearer's arms extend along the leading edges of the wing and virtually constitute the leading edges. Due to the triangular shape of the rib structures each wing has a thickness at its axis substantially equal to the diameter of the wearer's arm at the shoulder and it tapers therefrom to its trailing edge 52. As the.wing is held unfolded by the wearer, grasping the wing handle the arms of the wearer are at all times free to release the wings so that either arm may be used to-release the.parachute which is worn-by the wearer but. which is, not shown in the drawings. When the wings are released they are automatically folded back against the wearer's body by the retraction members 40.

The harness or frame structure is of such a character that the load on the wings is:taken-by the frame and does:not have to be taken by the arm strength of the .wearer. As shown, the ends of the U-bar ,carry- the wings and take the load thereof in flight. :The arms of the wearer serve only to hold the wings expanded but do not take the lift load thereof.

In Fig. 8 there is illustrated a breast pad 46 which is secured to the breast supporting member I0 to take the weight of the. wearer and the lift of the wings. It is shown.as swivelled to the 160 member 10 so as to be rockable thereabout.

In Figs. 9 and 10 there is illustrated a modified form of wing structure wherein the uppermost rib is so shaped as to provide a grooved or channeled edge within which the arm .of the wearer may be seated.

In this construction the transverse cross sectional shape of the wing differs from that illustrated _in Fig. 3 in that the ribs have curved sides.

' What we claim: ' ' 1. Glider mechanism comprising a harness adapted to be secuied to the body of a person, a pair of quadrant shaped wings pivotally supported-upon: the harness within the axillae of the Iwearer, each wing secured adjacent :to its 76 trailing edge by the harness to the body of the wearer at the waist, said wings adapted to fold against the body of the wearer or to be unfolded underneath the horizontally outstretched arms of the wearer, and yieldable means normally tending to hold said wings in their folded position.

2. Glider mechanism comprising a harness adapted to be secured to the body of a person, a pair of quadrant shaped wings pivotally supported upon the harness within the axillae of the wearer, each wing secured adjacent to its trailing edge by the harness to the body of the wearer at the waist, said wings adapted to fold against the body of the wearer or to be unfolded underneath the horizontally outstretched arms of the wearer, and each wing gradually increasing in thickness from its trailing edge to its axis.

3. Glider mechanism comprising a harness adapted to be secured about the body of a wearer and provided with wing pivot supports arranged within the axillae of the wearer, a wing mounted upon each pivot support and provided with a plurality of V-shaped ribs each pivoted at the open end of the V to the pivot support.

4. Glider mechanism comprising a harness adapted to be secured about the body of a wearer and provided with a pair of T-shape wing supports arranged one on each side of the wearer with the head of the T disposed within the axilla of the wearer, a wing mounted upon each support, each wing provided with a plurality of generally triangular ribs individually pivoted to the head of the wing support, a wing cover over said ribs, said ribs adapted to be swung together against said wing support or to be outstretched in spaced apart relationship with the uppermost rib extending substantially parallel to the horizontally outstretched arm of the wearer.

5. Glider mechanism comprising a harness adapted to be secured to the body of a person and provided with a U-shaped breast element having end portions adapted to seat within the axillae of the wearer, T-shaped wing supports mounted upon the ends of the breast element and adjustable fore and aft with respect to the wearer's body upon said element, a wing pivoted to the upper end of each wing support and secured to the lower end thereof and adapted to fold against the support or to be spread outwardly underneath the horizontally outstretched arm of the wearer.

6. Glider mechanism comprising a pair of parallel spaced apart T-shaped wing supports connected together through the heads of the T supports by a curved breast member and a wing piv5o oted to the head of each T support to fold flat against the upright portion of the T support or to be outstretched into a quadrant shaped web.

7. Glider mechanism comprising a harness adapted to be secured to the body of a person and provided with a rigid U-shaped breast element having end portions adapted to seat within the axillae of the wearer, means connecting said end portions together across the back of the wearer, means extending over the shoulders of the wearer supporting said breast element, a pair of T-shaped wing siipports, one wing support mounted upon one end of the breast element, the other wing support mounted upon the other end of the breast element, means extending around the wearer's body at the waist connecting said T supports, said T supports being adjustable fore and aft with respect to the wearer's body upon the breast element, a quadrant shaped wing pivoted to the head of each T support and secured at its trailing edge to the lower end of the T 10M support.

8. Glider mechanism comprising a U-shaped saddle element adapted to receive the breast of a wearer and having its ends disposed within the axillae of the wearer, wing supports extending 15; along opposite sides of the wearer's body and pivoted at their upper ends upon the ends of the breast element, a wing pivoted to the upper end of each wing support within the axillae of the wearer and adapted to fold against the body of 20' the wearer underneath the wearer's arm or to be outstretched underneath the horizontally outstretched arm of the wearer.

9. Glider mechanism comprising a pair of wings: provided with means adapted to be secured to 2 the body of a person to fasten said wings to opposite sides of the wearer's body underneath the horizontally outstretched arms of the wearer with the leading edge of each wing adapted to extend underneath the horizontally outstretched arm of the wearer, each wing having a trough shaped leading edge adapted to partially embrace and receive said arm with the arm forming the leading edge portion of the wing when in use.

10. Glider mechanism comprising a rigid Ushaped brace element adapted to extend across the breast of a wearer with its ends disposed within the axillae of the wearer, T-shaped wing supports having tubular heads journalled on the ends of the breast element, and a wing structure pivoted to the head of each wing support to fold flat thereagainst or to be unfolded against the outstretched arm of the wearer.

11. Glider mechanism comprising a rigid Ushaped brace element adapted to extend across the breast of a wearer with its ends disposed within the axillae of the wearer, and a wing structure pivotally supported upon each end of the brace element within the axillae of the wearer adapted to fold flat against the side of the wearer or to be unfolded underneath the outstretched arm of the wearer.

12. Glider mechanism comprising a rigid Ushaped brace element adapted to extend across the breast of a wearer with its ends disposed "' within the axillae of the wearer, and a quadrant shaped wing structure V-shaped in radial crosssection pivotally supported upon each end of the brace element within the axillae of the wearer adapted to fold flat against the side of the wearer or to be unfolded underneath the outstretched arm of the wearer.

CLEMENT J. SOHN.

ARTHUR J. DAVIS,