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April 18, 1950
H, B, MORGAN
‘
TOY ORNITHOPTER
Filed May 20, 1947
2,504,567
'
3 Sheets-Sheet 1
INVENTOR.
HAROLD B . MORGAN
ATTORNEYS
AP?“ 18, 1950
H. B. MORGAN
‘
2,504,567
T'OY ORNITHOPTER
Filed May 20, 1947
3 Sheets-Sheet 2
IN VENTOR.
‘*3
HARQLD B. MQRGAN
ATTCI RN EYB
April 18, 1950 "
H. B. MORGAN
2,504,567
TOY ORNITHOPTER
Filed May 20, 1947
3 Sheets-Sheet 3
21.: -1
INVENTOR.
‘ HAROLD B. MORGAN
’
8'
Patented Apr. 18, 1950
2,504,567
UNITED STATES PATENT OFFICE
2,504,567
TOY ORNITHOPTER
Harold B. Morgan, Evansville, Ind.
Application May 20, 1947, Serial No. 749,121
1
3 Claims. (0]. 46—74)
2
This invention relates to a toy bird, and more
particularly to such a bird of the ?ying or ?ap
thereof being broken away to more clearly show
ping wing type.
Figure 6 is a sectional view taken substantially
along the lines 6-6 of Figure 5, taken in the
direction indicated by the arrows;
Figure rI is a sectional view taken substantially
the construction thereof;
A primary object of this invention is the pro
vision of an improved toy bird characterized by
movements of the wings simulating a bird in
?ight, which will afford pleasure in the ?ying
thereof, for both young and old ?iers.
Another object of the invention is the provision
of such a wing propelled type of toy which is 10
direction indicated by the arrows;
Figure 8 is a view similar to Figure 7, but
showing the parts in different positions of adjust
characterized by extreme stability in ?ight, and
ment;
along the lines ‘l—-"l of Figure 5 as viewed in the
maximum duration thereof.
Figure 9 is a side elevational view of an air
A further object of the invention is the pro
foil of the device, an alternative position of ad
vision of such a toy which may be automatically
justment being indicated by the dotted lines; and
released for ?ight when released from the hand. 15
Figure 10 is an enlarged fragmentary sectional
A still further object of the invention is the
view showing one of the hinge sections of the
provision of such a device which will automatic
device.
ally ?y or glide, as desired, for a material distance.
Similar reference characters refer to similar‘
A still further object of the invention is the
parts throughout the several views of the
provision of such a device which is solely powered
drawings.
by rubber or a similar resilient material, the
Referring now to the drawings in detail, a
power being stored in the material by means of
device of the instant invention is comprised of
a string wound on a drum in the body of the
a body portion generally indicated at 20, in
device.
An additional speci?c object of the invention
simulation of a bird or the like, of hollow con
is the provision of such a device provided with
wing ?aps for slots which, from the downstroke
thereof, will serve to uplift the device, and upon
the upstroke, will serve to permit passage of air
struction, and preferably constructed of a light
material such as balsam wood.
The body portion 20 is provided with wings
generally indicated at 2|, see Figure 5, and to be
through the wings thereof, and the correspond
ingly resultant ?ight of the device.
more fully described hereinafter, a vertical sta
bilizer ?n 22, and a horizontal stabilizer 23.
The body portion 20 is provided with means
Still other objects reside in the combinations
of elements, arrangements of parts, and features
of construction, all as will be more fully pointed
means will now be described. in detail.
for reciprocating'or ?apping the wings 2|, which
Extend
ing transversely across the body at a point ad
out hereinafter and disclosed in the accompany
jacent the base thereof, are a pair of supporting
members 25, each of which extends entirely
ing drawings wherein there is shown a preferred
across the body, through suitable apertures there
embodiment of this inventive concept.
in, the ends being secured in position as by means
Other objects will in part be obvious and in
of pins 26. The supports 25 serve as journals for
part be pointed out hereinafter as the description
40 a crank shaft 2'! (see Figure 4), the depressed
of the invention proceeds.
portions 28 of which are passed through the sup
In the drawings:
_
port, suitable apertures being provided for the
Figure 1 is a side elevational view, partially
purpose. The upstanding end portions 29 of the
in section and partially broken away, with the
crank
shaft pass through suitable apertures in
wings of the device removed, showingr one em
discs 30, to mount the discs outwardly of the‘
bodiment of this inventive concept;
supports 25 on the portions 28 of the crank
Figure 2 is an enlarged transverse horizontal
shaft 21. Each of the discs 30 is provided with
sectional view of the device, showing the motive
opposed apertures 3|, across which are ‘secured
power thereof;
"
the pins 32, as seen in Figure 3. Elastic bands
Figure 3 is a front elevational view of a con 50 33 are passed about each- pin 32, as best shown
structional detail;
in Figure 2 and the opposite ends of each band
Figure 4 is a side elevational view of a further
33 are passed through suitable apertures in the
constructional detail comprising the crank shaft
securing blocks 34, the blocks being spaced well
of the device;
toward the front and rear of the body portion,
Figure 5 is a topplan view of, the device, parts as and the ends of the bands being secured as at
2,504,567
3
4
35 to retain the bands in position, as seen in
Figure 2.
relatively free passage of air through the wing
structure during the up stroke of the wings, thus
‘
The crank shaft 21 has mounted thereon a
serving effectively to lift the bird, as well as to
drum 40, provided with annular peripheral
?anges 4i , to which is secured one end of a string
or cord 42, the string being adapted to be wound
about the drum, and the opposite end passing
outwardly through a suitable aperture and a bal
5
drive the same forward.
The Wings may be of any desired general con
?guration, but in the illustrative embodiment
shown, the inner sections are provided, beyond
the leading edge member 62, with back swept
portions 75 which are likewise covered with the
which the blockil‘3 is-?xed. A‘vertically recip 10 paper covering‘ 10, provided‘ with ?ap members
rocating arm or member 44 is" also mounted-on
16 andreinforc'ing strips'll, the arrangement
the crank shaft 21, on the oif center portion
and operation being substantially similar to that
sam block, 43 through the base of the body 26 to
of the wing 2| and its respective ?ap ‘H previ
shaft will cause vertical reciprocatic-npf the, ,‘ -_ ously described.
member 44. The upper extremity ofmember 44 15
From the foregoing, the operation of the device
extends outwardly through a suitable'aperture
should now be readily understandable. When
thereof, in such manner that rotation of the '1
45 at the top of the body.
I, _ _
_
I
7
It will now be readily apparent that upon
pulling of the string A2,_the crank shaft is'r'otated
it is desired to. ?y the bird, the wings are ?rst
adjusted to a desired ?ying angle, it being
pointed ‘out that various angles will cause dif~
in such manner as to' twist the rubber bands 20 ferent ?ight characteristics in an obvious man
33“ and tension the same,xand that-conversely up
on release of the now fully extended string the
her, and the bird grasped by the'body in- one
hand. A pull on the string-42 will now cause
tensioned ‘ bands ‘ will ' rotate vthe'crank shaft and
rotation of the drum 40 and consequent tension
correspondingly reciprocate the vertical member
ing of the rubber drive bands ~33. Simultaneous
44, for the purpose'of motivating the wings of 25 release of the bird' and the string will permit
the device in a manner to be more fully described
the drive bands 33 to rotate the crank shaft 21,
hereinafter.
‘
and through reciprocation of the vertical mem
Pivotally secured to an intermediate portion
ber 44, cause the wings effectually to ?ap, for
of the member 44 as‘ by pivots 53 are a
of
ward motion being imparted by‘the-?apping ac
oppositely diverging link members 51, each of 30 tion and freedom of passage of air-on ‘the up or
which is pivotally secured as by means of a pivot
return stroke being permitted-by the ?aps 7i and
52' to the bifurcated‘i'nner endZ53 of a main wing
76. Obviously, if desired/the device may also,
support 5!, suitable apertures 55 being provided _
by suitable setting of the wing'sfbe used as a
glider toy.
on‘ oppositetsides of the‘ upper body portion for
this purpose.
'
From. the foregoing, it-Will now be'seen'that
Each'win‘g- 2-1 is comprised" of two transversely
there is herein' provided an. improved ?ying or
extending frame members 80 and iii, each pro
?apping wing type of toy'bird, which accom-'
vided with journalssil" and Bl','and each of air
plishes all' the objects of this invention and
foil section, the main wing support as being
others, including many advantages of practical
journalled in the journals, and the leading edges 40 utility and high entertainment value.
of the members‘ 68 and .61' being connected by a
As various embodiments may be made of this
leading edge member 52, while the trailing edges
inventive concept, and as various modi?cations
of the members 68 and 51 ‘are connected by a
may be made to the embodiment herein shown
and described, it is to be understood that all
such that the wing is thus free to pivot about 45 matter herein is to be interpreted’ merely as 11
the main support 54. The journals 6!)’ and 6!’
lustrative and not in a limiting sense.
Iclaim:
permitting such' pivotal movement, are best dis
closed in Figure 10 wherein the main support
1. In a ?ying toy, the combination which com
52*» is provided with a pair of blocks 65, to the
prises a substantially hollow bird~1ike body, a
top surfaces of which is secured a pin 66, passed 50 crank shaft journaled in said body, rubber bands
through a suitable aperture in one of the mem—
connected to the ends of the crank shaft and to
opposite ends of the body, a vertically disposed
bers 60 or 6|. Cords 61' lead from the leading
trailing edge member 63_;the arrangement being
reciprocating arm rotatably mounted on an offset
edge member 62 and cords'88 lead'from the trail
ing edge member 63 of the wing, to suitable
section of the crank shaft and slida‘oly mounted
points on the body 20, and by suitable adjust 55 in said body, a drum mounted on said crank
ment of the'cords 6] and 68 in any desired con—
shaft, a cord attached to said drum for winding
ventional' manner, the relative angle of each
the rubber bands when drawn outwardly from
wing section with respect to the body may be
the body, wings pivotally mounted on the body
varied, such variation beingindicated at Figure 9.
and extended from opposite sides thereof, and
It will thus be seen that each wing 2! is come 00 links connecting the wings _to said reciprocating
prised'of a relatively hollow frame work, adapted
arm for imparting a ?apping action to the wings.
to be covered by a paper covering ‘til, on the
2. In a ?ying toy, the combination which com
upper portion only‘- thereof, the paper being rela
prises a substantially hollow bird-like body, a
tively stiff, and‘ apertured as’ indicated in dotted
crank shaft ,iournale'd in'saidv body, rubber bands
lines at l‘! in Figure 5- to form ?aps for hinges. 65 connected to the ends of the crank shaft and
Transverse strips of reinforcing paper 72 extend
to opposite ends of the'body, a vertically dis
over the flaps ‘I l. The arrangement is such that
posed reciprocating arm rotatably mounted on
on the down stroke of the wing, the parts will
an offset section of the crank shaft and slidably
assume the position shown in Figure '7, a rela
mounted in said body, a drum mounted on said
tively smooth air foil‘ section being provided, and 70 crank shaft, a cord attached to said drum for
the flaps being precluded‘from movement out of
winding the rubber bands when‘: drawn outwardly
the plane of the wing by means of the strips 12.
from the body,’ wing supports- pivotally mounted
On the up stroke, however, the air pressure
on the body and’ extended from opposite sides
against’ the‘ ?aps will causethe parts to assume
thereof, means connecting the wing supports to
the position disclosed in Figure 8, permitting 75 the said reciprocating arm? for imparting upward
5
2,504,507
and downward movement to said wing supports, ,
and wings carried by said wing supports.
‘3. In a ?ying toy, the combination which com
prises a substantially hollow bird-like body,’y?va'_'
wings carried by said wing supports, and stabi
lizers extended from thewrear of the body pro
viding a tail.
HAROLD B. MORGAN.
crank shaft journaled in said body, rubber bands ‘‘ ~
connected to the ends of the cram}: shaft and
to opposite ends of the body, a yejrticaily dis
posed reciprocating arm rotatablyjiounted on _'
an offset section of the crank shaft and slidably ‘
mounted in said body, a drum mounted on said '
crank shaft, a cord attached to said drum for
winding
from thethe
body,
rubber
winghands
supports
whenpivotajily
drawn outwardly
mounted '
on the body and extended from opposite sides
REFERENCES CITED
The following references are of record in the
?le of this patent:
UNITED STATES PATENTS
Number
411,779
964,803
1,031,623
thereof, means connecting the wing"? supports to 15 1,533,562
the said reciprocating arm foriinparting upward
1,779,349
and downward movement to said wing supports,
Name
Date
Borgfeldt ________ __ Oct. 1, 1839
Olson ___________ __ July 19, 19:19
Colombier ________ __ July 2, 1912
Koshalka ________ __ May 19, 1925
Whatley __________ Oct. 21, 1930
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