U.S. patent number 3,797,137 [Application Number 05/305,737] was granted by the patent office on 1974-03-19 for ballet slipper.
This patent grant is currently assigned to Pirvoette Projects, Inc.. Invention is credited to Rebekah Harkness.
United States Patent |
3,797,137 |
Harkness |
March 19, 1974 |
BALLET SLIPPER
Abstract
There is disclosed a ballet slipper consisting of two main parts
-- a fabric upper and a plastic foot support. The plastic foot
support is substituted for the conventional last and serves the
additional function of replacing the stiffening material which is
usually provided in the toe of a ballet slipper. If the plastic has
the same color as the upper, there is no need to cover the toe of
the slipper with fabric; in such a case, the ballet slipper can
have an extraordinarily long life.
Inventors: |
Harkness; Rebekah (New York,
NY) |
Assignee: |
Pirvoette Projects, Inc. (New
York, NY)
|
Family
ID: |
23182121 |
Appl.
No.: |
05/305,737 |
Filed: |
November 13, 1972 |
Current U.S.
Class: |
36/113 |
Current CPC
Class: |
A43B
23/087 (20130101); A43B 5/12 (20130101) |
Current International
Class: |
A43B
5/00 (20060101); A43B 5/12 (20060101); A43b
000/00 () |
Field of
Search: |
;36/2.5R,2.5AE,2.5AF,32R,3R,3B,59R |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Lawson; Patrick D.
Attorney, Agent or Firm: Gottlieb, Rackman, Reisman &
Kirsch
Claims
What I claim is:
1. A ballet slipper comprising a unitary plastic base having a foot
supporting section and a toe enclosing section, said toe enclosing
section including a toe having an external snub-nosed shape and an
internal configuration conforming to the toe dimensions of a
dancer, and a fabric upper secured to said plastic base.
2. A ballet slipper in accordance with claim 1 wherein said fabric
upper terminates above said snub-nosed shaped toe so that said
snub-nosed shape toe is visible, and said plastic and said fabric
upper are of the same color.
3. A ballet slipper in accordance with claim 2 wherein the forward
lower surface of said plastic base has ridges thereon for
preventing sliding on a floor by a dancer wearing the slipper.
4. A ballet slipper in accordance with claim 2 wherein a plurality
of ventilation holes extend through said plastic base.
5. A ballet slipper in accordance with claim 2 wherein the rear
section of said plastic base includes a groove along the sides
thereof for containing an edge of said fabric upper.
6. A ballet slipper in accordance with claim 5 wherein said fabric
upper is secured to said plastic base by stitching along an edge
thereof.
7. A ballet slipper in accordance with claim 1 wherein the forward
lower surface of said plastic base has ridges thereon for
preventing sliding on a floor by a dancer wearing the slipper.
8. A ballet slipper in accordance with claim 1 wherein a plurality
of ventilation holes extend through said plastic base.
9. A ballet slipper in accordance with claim 1 wherein the rear
section of said plastic base includes a groove along the sides
thereof for containing an edge of said fabric upper.
10. A ballet slipper in accordance with claim 9 wherein said fabric
upper is secured to said plastic base by stitching along an edge
thereof.
Description
This invention relates to ballet slippers, and more particularly to
ballet slippers which do not exhibit the disadvantages of the
conventional leather-last prior art constructions.
The art of making ballet slippers is well developed and numerous
advances have been made during the course of many years. The
constructions of ballet slippers have been disclosed in many prior
art patents, such as U.S. Pat. No. 1,891,022 issued to Salvatore
Capezio on Dec. 13, 1932. As disclosed in this patent, the
conventional slipper consists of several major parts which are sewn
together. Included among them are a leather last, a fabric "upper"
and a piece of reinforcing material which functions as a toe
stiffener. To make a typical prior art ballet slipper there is
required a considerable amount of manual labor.
There are many problems with prior art type ballet slippers; while
such problems have been recognized, solutions to them have not been
forthcoming. For example, prior art slippers have been known to
snap while dancers are on their toes, as a result of the leather
last being insufficiently flexible. Prior art slippers, despite the
considerable effort required to make them, do not really provide
maximum support for a dancer because in the usual case a ballet
slipper is not built with the foot dimensions of a particular
dancer in mind. But the main disadvantage of prior art ballet
slippers is that the fabric on the toe becomes abraded during a
performance; it is not unusual for a dancer to wear out two or even
three pairs of ballet slippers during a single performance. It is
also known that as the toe fabric shreds during the course of a
performance, the yarn ends can catch on splinters in the floor, and
can lead to injuries.
It is a general object of my invention to provide a ballet slipper
which overcomes the aforesaid disadvantages of the prior art.
Briefly, in accordance with the principles of my invention, I
provide a plastic base section for a ballet slipper. This section
replaces the prior art leather last and toe stiffener. To the top
of the plastic base there is sewn a fabric upper, the upper
including a conventional lining, edge tape and tie string.
In the preferred embodiment of the invention, the fabric upper does
not cover the snub-nosed toe of the plastic base section. The
plastic is of the same color as the fabric and thus, at least from
a distance, the ballet slipper looks no different from a
conventional slipper. The use of the plastic base overcomes the
disadvantages of the prior art. The plastic is less prone to snap
than a conventional leather last, and because there is no fabric
over the toe which can become abraded so that it can catch in wood
splinters, the slipper is safer to use. The reduced number of
component parts makes the slipper relatively easy to construct.
Because the plastic piece can be molded, by making an individual
mold for a dancer all slippers for that dancer can be designed with
individual foot dimensions in mind. But perhaps most important is
the fact that because there is no fabric over the toe which can be
worn away, the same pair of slippers may be used for many
performances.
It is a feature of my invention to provide a plastic base section
in lieu of the conventional leather last and toe stiffener to be
found in prior art ballet slippers.
Further objects, features and advantages of my invention will
become apparent upon consideration of the following detailed
description in conjunction with the drawing, in which:
FIG. 1 is a bottom perspective view of the plastic base section of
my invention;
FIG. 2 is a top plan view of a ballet slipper constructed in
accordance with the principles of my invention;
FIG. 3 is a sectional view through the line 3--3 of FIG. 2;
FIG. 4 is a sectional view through the line 4--4 of FIG. 2; and
FIG. 5 is a sectional view through the line 5--5 of FIG. 2.
The plastic base section 10 of FIG. 1, designed for the right foot
of a dancer, is a unitary piece of plastic such as
polyvinylchloride, and preferably the piece is molded in accordance
with the foot measurements of a particular dancer. The base
includes a forward section 12 into which the toes of the dancer
fit, this section terminating in a snub-nosed toe 14. All around
the rear half of the base section, there is a groove 20, seen most
clearly in FIGS. 1 and 4. The bottom 16 of the plastic base bears
against the floor, while the foot of the dancer is actually
supported by the upper section 18 of the base.
At the forward lower end of the base section there is provided a
plurality of grooves 22, seen most clearly in FIGS. 1 and 3. The
resulting ridges at the forward end of the slipper prevent sliding.
As shown in FIGS. 1 and 5, on one side of the slipper holes 24 are
provided from the grooves through the plastic base. These holes are
for "breathing" and provide greater comfort to the dancer. Similar
holes can be provided on the other side of the grooves, and even
along parts of the plastic base section, e.g., along upper section
12.
Surface 18 which supports the dancer's foot slopes slightly
inwardly from each side, as seen most clearly in FIGS. 3 and 4, to
conform to the foot dimensions. The walls of the plastic base
section are of various thicknesses depending on the functions to be
performed by each part of the slipper. For example, the base
portion (sections 16 and 18) is thick enough to allow the slipper
to flex without breaking, while the toe enclosing portion 12 is
thinner since it must provide a lesser support function.
The fabric upper is shaped so that when it is placed on the plastic
base section, it extends past sloping edge 34 of the base section
but not all the way to the snub-nosed toe 14. The upper 30 includes
two sides 31 as seen most clearly in FIG. 4. At the lower end of
each side, the material is folded and inserted into the groove 20,
as shown by the numeral 31a. The fabric upper is secured to the
plastic base section by a continuous stitch line 32 which starts on
the toe section 12 and slopes downward and rearward on each side of
the slipper. The stitching then continues along the lower edge of
each side of the plastic base with the fabric material still being
on the outside of the base. However, at approximately the center of
the base section, the fabric is tucked into the groove 20. At this
point, the stitching extends along the lower surface 16 of the
slipper and goes through the lower surface 16 of the base section
to be folded edges 31a as seen most clearly in FIG. 4. The stitch
lines 32 are shown dotted in FIGS. 2 and 3. They are also shown in
FIG. 1, even though this figure does not illustrate the fabric, in
order that the continuous stitch line be understood most
clearly.
As seen in FIGS. 2 and 3, at the top of the fabric upper there is
provided a conventional folded tape 36, in which there is contained
a tie string 38. Conventional elastic bands 40 and 44 are also
provided as is known in the art. Standard laces 42 are also sewn to
the fabric upper. As seen in FIGS. 2 and 3, at the rear of the
fabric upper a strip of stiffening material 46 may be provided.
Also, although not shown in the drawing, the fabric upper may be
lined as is known in the art. For the most part, the construction
of the fabric upper is along conventional lines, although the
bottom of the fabric is shaped so that it can be sewn along an edge
as shown by the stitch line 32.
One of the striking advantages of the invention is the simplicity
of construction. The conventional leather last and toe stiffener
are not required nor is there any need for an inner sole. (For
greater comfort, a foam rubber inner sole may be placed along base
section 18 of the slipper when it is worn by a dancer.) Not only is
it easier to make the lower portion of a ballet slipper by using a
plastic base, but by so doing ridges can be provided without
requiring any additional steps in order to prevent sliding, and
breathing holes may be provided at the same time. Also, after a
mold is taken of the foot of an individual dancer, all ballet
slippers made with that mold will conform perfectly to the shape of
the dancer's foot.
Although, if desired, fabric may be provided even over the
snub-nosed toe of the base section, it is not necessary to extend
the fabric over the front of the plastic base section in order to
provide an aesthetically pleasing ballet slipper. If the plastic
has the same color as the fabric, it is very difficult for an
audience to discern that the toe portion of the ballet slipper is
not actually covered with fabric. Furthermore, by not covering the
toe, not only are there no ragged edges which may catch on floor
splinters, but also the same pair of ballet slippers may be used
for numerous performances.
Although the invention has been described with reference to a
particular embodiment, it is to be understood that this embodiment
is merely illustrative of the application of the principles of the
invention. Numerous modifications may be made therein and other
arrangements may be devised without departing from the spirit and
scope of the invention.
* * * * *