US2236877A

US2236877A - Rotating glider

Info

Publication number: US2236877A
Application number: US130789A
Authority: US
Inventors: James M H Jacobs
Original assignee: Individual
Current assignee: Individual
Priority date: 1937-03-13
Filing date: 1937-03-13
Publication date: 1941-04-01
Anticipated expiration: 1958-04-01

Description

April l, 1941! .1. M. H. JAcoBs 2.236.877

ROTATING GL IDER Filed March l5, 1937 A TTORNEY Patented Apr. 1, 1941 gaat?? R 'EATING GLIDER 3 Claims.

This invention relates to new and useful improvements in rotating gliders.

It is one o-f the principal objects o-f my invention to provide a rotating glider in the form of an aerial ytop or autogiro for advertising and amusement purposes.

Other important and incidental objects will be brought out in the following specification and particularly set forth in the subjoined claims.

In the accompanying drawing Figure 1 is a plan View of a single wing rotating glider in its folded position. Figure 2 is a perspective view of a dual wing rotating glider, showing the wings in their open positions. Figure 3 is a side view of the front portion of the glider, showing the single wing thereof in its open position. Figure 4 is a plan View of the inner end of the wing, showing the stamping carried by the latter and the elastic opening band. Figure 5 is a perspective View of said stamping. Figure 6 is a perspective view of the nose piece, cut away to show its serrated inner surface. And Figure '7 is a perspective View of one form of projector for projecting my miniature rotating glider into the an'.

Referring to the accompanying drawing for a detailed description of the various forms of embodiment of my invention disclosed therein, the numeral I in Figures 1 and 2 designates a flat, relatively thin fuselage or body constructed in this instance of wood. Such a fuselage is preferred when my rotating glider is to be used as an aerial top or autogiro toy for advertising or amusement purposes.

Fitted to the front end of the fuselage I is a nose cap 2 which preferably comprises a metal stamping bent upon itself and serrated on its inner surfaces to provide a firmer grip on the wood. Struck outwardly from one side of the nose cap 2 is a hook or tongue 3 to receive the elastic band 4 of a projector 5.

Glued or otherwise firmly attached to the tail end of the body I is a iin 6 preferably constructed of relatively thin, stiff paper, although it may be omitted if desired.

At any suitable points the fuselage member I is provided with two oppositely disposed notches l, 'I which are so cut in the sides of that member that a straight line drawn between them will be at a right angle to its longitudinal axis.

Attachable to the fuselage member I along the 'line of the notches 1, 'l by means hereinafter to be described, and with its lifting surface at a right angle to its longitudinal axis, is the inner end of a flat wing member 8 preferably constructed of thin wood, and having a tapering outer end. While I shall now describe the glider with a single wing, it may be provided with two wings 8, 8 as'illustrated in Figure- 2.

Secured to the inner end of the wing member 8 is a ribbed metal stamping 9 formed with ears I0, Ill that are bent over the sides of that member to firmly attach the stamping thereto.

The stamping 9 is formed at its front end with two outwardly flaring ears II, II that are bent at such angles to it as to limit the outward angular movement of the wing member 8, through engagement with the flat surface of the fuselage I when the wing member is drawn outwardly to a suitable fiying angle by elastic means soon to be described.

Provided on the stamping between the ears I l, II is a short ear i2 which is bent over against the inner edge of the wing member to assist in firmly securing the stamping to it.

Formed in the stamping 9 at the bases of the ears II, II are lateral notches I3, I3 which register with the notches 1, I in the fuselage I, but are disposed at a slight angle to the axis of the wing to hold the latter at lthe best gliding angle when an elastic or rubber band I4 is passed through these notches i3, I3 and the notches 1, l.

When the rotating glider is projected into the air by the projector 5, or other means, the pressure of the air will hold the wing member 8 at against the fuselage I, as shown in Figure 1. During the cessation of that flight, this wing will be drawn outwardly by a crossed elastic band I5 whose `elastic force at this time is greater than the pressure of the air upon the wing during forward flight. This elastic band I5 is passed through notches I6, I6 in the wing 8 and notches Il', I1 in the fuselage.

The ears II, II are at such an angle in the stamping, that when the wing 8 carrying them is drawn outwardly by the elastic band I5, it will engage the fuselage toI hold this wing at a suitable flying angle. v

The notches I3, I3 in the stamping 9 are at a slight angle to the axis of the fuselage I so that when the glider begins to cease its forward iiight, theopening pressures on the tip of the wing and the 1in 6 on the fuselage will not be opposite, whereupon the glider will immediately start its rotational drift, nose down, to the earth.

Having described my invention, I claim:

l. A device of the type `described comprising a fuselage member, a iin on the tail end of the latter, a wing member, a stamping secured to the inner end of said wing member, ears on said stamping at an angle thereto for engagement with the fuselage member, said ears formed with notches at a slight angle to the axis of the fuselage member, the latter having notches that register with the notches in said ears, a rubber band passing through the notches in said ears and the fuselage member, and elastic means connected between the nose part of the fuselage member and that part of the Wing member at the rear of said ears, to draw the wing member away from the fuselage member while the latter ceases its forward flight, whereupon the wing member will rotate with the body member as a shaft to r0- tatively drift to the earth.

2. A device of the type described comprising a flat fuselage member, a n on the tail end of the latter, a flat wing member, a stamping secured to the inner end of said wing member, `ears on said stamping at an angle thereto for engagement with the flat surface of the fuselage member to limit the outward angular movement of the latter, said ears formed with notches at 'a slight angle to the axis of the fuselage member, lthe latter having notches that register with the notches in said ears, a rubber band passing through the notches in said ears andthe fuselage member, the nose portion of the latter being formed with oppositely disposed notches, said wing member having oppositely disposed notches at the rear of said ears, and acrossed rubber band connected between the last named notches in the fuselage member and the wing member, to draw the latter away from the fuselagemember While said member ceases its forward flight, whereupon the wing member will rotate with the body member as a shaft to rotatively drift to the earth.

3. A device of the type described comprising a fuselage member, a wing member, a metal member secured to the inner end of the wing member, ears on said metal member at an angle thereto for engagement with the fuselage member to limit the outer angular movement of the latter, said ears formed with notches at 'a slight angle to the axis of the fuselage member, the latter having notches that register with the notches in said ears, a rubber band passing through the notches in said ears and the fuselage member, and elastic means connected between the nose part of the fuselage member and that part of the wing member at the rear of said ears to draw the Wing member away from the fuselage member while the latter ceases its forward flight, whereupon the wing member will rotate with the body member as a shaft to rotatively drift to the earth.

JAMES M. H. JACOBS.