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Патент USA US3031704

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May 1, 1962
Filed June 23, 1960
Elzy 0._ Kunke/
and?aws; 3mm
United States PatentlO?ice.
Patented May 1, 1962
Elzy 0. Kunkel, PI). Box 83, Liberal, Kans., assignor of
For retaining the in?atable inner tube 22 within the
hollow interior of the elongated ski, there is provided a
four-?fths to Irene C. Ellick,-Covington, Ky.
Filed June 23, 1960, Ser. No. 38,169
3 Claims. (Cl. 9-410)
lacing 26 extending across the open end of the ski to re
tain the in?ated tube therein and with the air valve 24
extending therethrough for access.
On the upper surface of the top wall 16, there is pro
vided a ski binding generally designated by the numeral
The present invention generally relates to a ?oat device
28 and including a stationary inverted U-shaped ?exible
and more particularly to a ski device which may be con
member 30 tapering inwardly towards the upwardly
sidered a water ski or the like and is capable of use as a 10 curved front 14. An adjustable heel engaging member
water ski or a snow ski and incorporates'an in?atable
32 is provided and adjustably mounted on the top wall
inner tube removable from the ski so that it may be re
16 by virtue of longitudinal trackways or guides 34 slid
paired, replaced or used as a ?oat device in itself such as
ably receiving a mounting plate 36 carrying the heel
by attaching it around the waist or shoulder region of a
socket 32 thereon. The plate 36 is provided with a slot
person using the in?ated inner tube for use as a life belt.
’ 38 receiving a fastening bolt 40 having a knurled clamp
The primary object of the present invention is to pro
screw 42 thereon whereby the position of the heel socket
vide a ?oat device in the form of a pair of skis which will
or pocket 32 may be varied for retaining the skis or skates
enable the wearer to ?oat on water, be towed over the
on the feet of the wearer.
surface of the water at a relatively high rate of speed
In instances where only small children or light weight
and also to ski down the slope of a hill in a conventional 20 people will use the skies or skates, the in?ated tube may
manner. Each ski is shaped somewhat in the nature of
be omitted but the hollow elongated member will be
a water ski with the ski having an interior hollow area
closed and the interior thereof ?lled with air under a rela
open at one end for the insertion and removal of an in
tively small pressure which will enable small children to
?atable inner tube.
Another object of the present invention is to provide
a ?oat device generally in the form of water skates or
the like which is simple in construction, easy to use, use
ful in various orientations and uses and generally inexpen
be supported. Generally, the hollow elongated member
may be considered a hull and may be six or seven inches
wide, ?ve or six feet in length and from one to two inches
thick depending upon the particular requirements of the
material from which the skis are constructed. Also the
hollow skates may be constructed of any suitable metal
These together with other objects and advantages which 30 lic material, plastic material or the like. When the ?oats
will become subsequently apparent reside in the details
are not being employed, the device may be used as a life
of construction and operation as more fully hereinafter
belt with the in?ated inner tube being disposed in en
described and claimed, reference being bad to the accom
circling relation to the waist of the user or with the
sive to manufacture.
panying drawings forming a part hereof, wherein like
shoulders of the user with suitable straps: being attached
numerals refer to like parts throughout, and in which: 35 to the in?atable inner tube for purposes of holding the
FIGURE 1 is a perspective view of one of the ?oat de
inner tube in position. Also, the hollow elongated mem
vices of the present invention;
bers may be used in the form of conventional skis for
FIGURE 2 is a longitudinal, vertical sectional view
skiing over a snow surface or for skiing over a water
taken substantially upon a plane passing along section
surface. Also, if desired auxiliary cork could be used
line 2—2 of FIGURE 1 illustrating the details of con 40 in the shoulder area when the ?oat device is employed
struction of the ?oat device;
and could also be used to ?ll the hollow members.
FIGURE 3 is a transverse, vertical sectional view taken
The foregoing is considered as illustrative only of the
substantially upon a plane passing along section line 3--3
principles of the invention. Further, since numerous
of FIGURE 1 illustrating the relationship of the shell of
modi?cations and changes will readily occur to those
45 skilled in the art, it is not desired to limit the invention
the ski and the in?ated inner tube; and
FIGURE 4 is a perspective view of the in?atable inner
to the exact construction and operation shown and de
scribed, and accordingly, all suitable modifications and
Referring now speci?cally to the drawings, the nu
equivalents may be restorted to, falling within the scope
meral It) generally designates the ?oat device of the pres
ent invention with the ?oat devices being provided in 50 of the invention as claimed.
pairs. Inasmuch as the ?oat devices are of a similar struc~
ture, only one ?oat device is disclosed.
What is claimed as new is as follows:
1. A ski device comprising an elongated hollow rigid
member having an upwardly curved and closed forward
end, the rear end of said member being open, said mem
The ?oat device is in the form of an elongated ski or
skate 12 having an upturned forward end 14. As illus
trated, the elongated ski or skate 12 is provided with a 55 ber being substantially rectangular in cross-sectional con
?guration with the wider sides thereof being disposed
top wall 16, a bottom wall 18, and side walls 20 inter
horizontal, the interior volume of the member being un
connecting the top and bottom walls. This structure
obstructed, an elongated in?atable ?exible member dis
may be of molded plastic construction or the like or any
other suitable material. Disposed interiorly of the elon
posed within said hollow member and completely ?lling
gated ski or skate 12 is an in?atable inner tube 22 con
structed of rubber or similar material and having a valve
assembly 24 at one end thereof which is in the form of an
the interior thereof when in?ated, said in?atable mem
means thereon extending rearwardly from the open end
air valve which enables the in?atable inner tube 22 to be
of the elongated hollow member, crisscrossed lacing
in?ated or de?ated for use in the desired manner.
extending across the open rear end of the elongated mem
ber having a centrally disposed axially extending air valve
de?ating the inner tube 22, it may be removed from the 65 ber, said elongated member having top and bottom walls
elongated ski or skate 12. After the inner tube 22 has
disposed in parallel relation, the rear edges of the top
been placed in position in the ski or skate 12, the valve
and bottom walls having openings through which the
24 may be employed for admitting pressurized air into the
lacing extends for detachably securing the in?atable mem
interior of the in?atable inner tube thereby in?ating the
ber within the elongated hollow member, and a shoe
tube to conform to the contours of the interior surface
binding on the upper surface of the top wall member
of the ski or skate 12.
for receiving the foot of a person using the device.
27. The structure as de?ned in claim 1 wherein said
binding includes a stationary inverted U-shaped toe re
References Cited in the ?le of this patent
ceiving member, and a'longitudinally slidably mounted
heel socket for engagement with the heel.
3. The structure as‘, de?ned in claim 2 wherein’ said 5
in?atable member is- provided with a rectangular cross
’sectional con?guration when in?ated for completely ?lling
the interior oi the elongated hollow member to prevent
entrance of water therein.
Currey ___v ___________ __ Oct. 22, 1935
Howland ___________ __ Nov. 27, 1945
Taylor ______________ __ Apr. 10, 1956
Italy _.________ __. ____ __ Nov. 26, 1938
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