EP1725128A1 - A heel protector - Google Patents

A heel protector

Info

Publication number
EP1725128A1
EP1725128A1 EP05721743A EP05721743A EP1725128A1 EP 1725128 A1 EP1725128 A1 EP 1725128A1 EP 05721743 A EP05721743 A EP 05721743A EP 05721743 A EP05721743 A EP 05721743A EP 1725128 A1 EP1725128 A1 EP 1725128A1
Authority
EP
European Patent Office
Prior art keywords
inner pad
heel
body member
pad member
heel protector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05721743A
Other languages
German (de)
French (fr)
Other versions
EP1725128B1 (en
EP1725128A4 (en
Inventor
Min Seok Yoon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joeun Protech Co Ltd
Original Assignee
Joeun Protech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020050000357A external-priority patent/KR100587895B1/en
Application filed by Joeun Protech Co Ltd filed Critical Joeun Protech Co Ltd
Publication of EP1725128A1 publication Critical patent/EP1725128A1/en
Publication of EP1725128A4 publication Critical patent/EP1725128A4/en
Application granted granted Critical
Publication of EP1725128B1 publication Critical patent/EP1725128B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
    • A41B11/00—Hosiery; Panti-hose

Definitions

  • the present invention relates to a heel protector and, more particularly, to a heel
  • protector adapted to maximally prevent friction between a user's heel and shoes, and to
  • FIG. 11 One of the known arts for maintaining healthy feet is shown in FIG. 11, in which
  • a heel attached to a heel is connected to a sock (510a) by stitching (530a) in the shape of the
  • FIG. 13 illustrates a schematic drawing of Japanese Utility Model No. 3021145, the
  • inner pad member (520c) is fixedly stitched (530c) to prevent the inner pad member
  • Model No. 3018319 and illustrated in FIG. 14 includes a body member (510d) having a
  • the present invention is disclosed to solve the aforementioned drawbacks and it is an
  • object of the present invention to provide a heel protector configured to maximally
  • the heel protector In accordance with a preferred embodiment of the present invention, the heel protector
  • a body member made of a flexible fabric material for being worn on the feet
  • ends of longitudinal direction of the inner pad member are coupled to the body
  • the body member has a cylindrically bent shape.
  • the inner pad member has a substantially oblong shape, and each of the two
  • areas coupled to the body member is a portion of a lateral distal end of the inner pad member.
  • the inner pad member is cut in the shape of a "N" at both longitudinal
  • the body member is provided with an elastic band at at least one of upper
  • FIG 1 is a perspective view of a heel protector according to an embodiment of the
  • FIG 2 is a perspective view of the parts of the heel protector of FIG. 1 before
  • FIG. 3 is a perspective view of a heel protector according to another embodiment of the
  • FIG. 4 is a perspective view of a heel protector according to still another embodiment
  • FIG. 5 is a perspective view of a heel protector with the inner surface turned out
  • FIG. 6 is an operational view of a heel protector according to the present invention.
  • FIG. 7 is a schematic view for illustrating a connected section between a body member
  • FIGS. 8 to 10 are perspective views of a heel protector according to still a further embodiment
  • FIGS. 11 to 14 are perspective views illustrating the prior arts.
  • a heel protector (10) according to the present invention includes a body member (100) and an inner pad member (200).
  • the body member (100) has a cylindrically bent "L" shape and is made of a flexible
  • the body member (100) has a shape of a sock cut out at
  • Auser may wear the body member (100) just like a sock or may
  • the present invention can be applied to a sock with its front portion stitched, and it
  • opening of the front section of the body member (100) in FIG. 1 is sewn up to look like
  • the sewn-up sock belongs to the protective scope of the present
  • the inner pad member (200) of a substantially oblong shape for
  • accommodation to an inside of the body member (100) is coupled to an inner section
  • the inner pad member (200) is described to have a substantially oblong shape, it should be appreciated that the shape of the inner pad member does not limit the
  • the inner pad member (200) and the body member (100) are sewn for coupling
  • the thread ring (400) serves to tie the inner pad
  • pad member (200) are sewn to the body member (100) by the stitching line (210).
  • the central marginal section is a part of lateral distal ends of the inner pad member (200) and corresponds to an area of
  • the inner pad member (200) is loosely connected to the body
  • a predetermined space is formed between longitudinal distal end of the inner pad
  • member (100) may be directly connected as illustrated in FIG 3.
  • a band (300) for maintaining elasticity may be disposed at an
  • FIG. 5 which illustrates a perspective view of the heel protector with the inner surface turned out
  • the body member (100) is made of a flexible fabric
  • the body member is formed of any material. According to the preferred embodiment of the present invention, the body member
  • the area contacting the body member at the inner pad member (200) is made of 100% polyester while the area of the inner pad member (200) accommodated to the heel is made of fabric woven with
  • present invention is worn.
  • FIGS. 8 to 10 illustrate still a further embodiment where all constructions are the same
  • pad member (200) contacting the heel has a greater friction force while a material of
  • Blisters can be effectively prevented especially when a
  • FIG. 6 shows only a case of back and forth
  • calluses and blisters can be formed.
  • the inner pad member (200) wraps around the heel of the user to thereby
  • lateral distal ends of the inner pad member are affixed to the body member (100).
  • the heel protector can be manufactured with a simple construction to enable to simplify the manufacturing process and reduce the
  • walking can be subdued by an inner pad member to thereby prevent formation of

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Socks And Pantyhose (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

Disclosed herein is a heel protector including a body member made of a flexible fabric material for being worn on the feet and an inner pad member coupled to an inside of the body member for accommodation to an area where a heel is located when the heel protector is worn. Both distal ends of a longitudinal direction of the inner pad member are coupled to the body member, and two areas of the inner pad member accommodated to both lateral sections of the heel are coupled to the body member, such that the inner pad member can relatively slide in relation to the body member when the heel protector is worn. Friction generated on the heels while walking can be subdued by the inner pad member to thereby prevent formation of calluses or blisters, and manufacturing process can be simplified to reduce the manufacturing cost.

Description

A HEEL PROTECTOR
FIELD OF THE INVENTION
The present invention relates to a heel protector and, more particularly, to a heel
protector adapted to maximally prevent friction between a user's heel and shoes, and to
prevent formation of calluses and blisters on the heel caused by the friction.
BACKGROUND OF THE INVENTION
One of the known arts for maintaining healthy feet is shown in FIG. 11, in which
Japanese Utility Model No. 3032803 entitled, "Dryness Preventing Socks," is
described. In this Utility Model, the overall border of an inner pad member (520a)
attached to a heel is connected to a sock (510a) by stitching (530a) in the shape of the
heel. As a result, the overall inner pad member (520a) is secured to the sock and the
only effect is to prevent dryness of the heels.
In Japanese Laid-open Patent Application No. 2002-235203, entitled "Dryness
Preventing Socks" and illustrated in FIG. 12, formation of calluses caused by dryness
of a heel or sole can be prevented by attaching an inner pad member (520b) inside a sock where the overall border of the inner pad member (520b) is stitched to a sock
(510b) to conform to the shape of the heel. As a result, calluses formed by dryness can
be avoided. However, formation of calluses or blisters caused by friction cannot be
prevented.
FIG. 13 illustrates a schematic drawing of Japanese Utility Model No. 3021145, the
purpose of which is to prevent dryness of feet in the socks. A central portion of an
inner pad member (520c) is fixedly stitched (530c) to prevent the inner pad member
(520c) from slipping. Thus, it cannot prevent formation of calluses or blisters caused
by friction.
A heel sock for warming feet by way of far-infrared ray disclosed in Japanese Utility
Model No. 3018319 and illustrated in FIG. 14 includes a body member (510d) having a
cut-off front part and an inner pad member (520d) additionally formed inside the body
member (510d), where a marginal portion and a central portion of an inner pad
member (520d) are connectedly sewn (530d) to the body member (510d). Therefore,
in this utility model, there is a drawback in that calluses and blisters caused by friction
cannot be prevented from being formed. SUMMARY OF THE INVENTION
The present invention is disclosed to solve the aforementioned drawbacks and it is an
object of the present invention to provide a heel protector configured to maximally
restrict friction generated between a heel and a shoe from occurring while walking,
thereby preventing formation of calluses and blisters.
In accordance with a preferred embodiment of the present invention, the heel protector
includes a body member made of a flexible fabric material for being worn on the feet
and an inner pad member coupled to an inside of the body member for accommodation
to an area where a heel is located when the heel protector is worn, wherein both distal
ends of longitudinal direction of the inner pad member are coupled to the body
member, and two areas of the inner pad member accommodated to both lateral sections
of the heel are coupled to the body member, such that the inner pad member can
relatively slide in relation to the body member when the heel protector is worn.
Preferably, the body member has a cylindrically bent shape.
Preferably, the inner pad member has a substantially oblong shape, and each of the two
areas coupled to the body member is a portion of a lateral distal end of the inner pad member.
Preferably, the inner pad member is cut in the shape of a "N" at both longitudinal
central portions of edges thereof.
Preferably, the body member is provided with an elastic band at at least one of upper
and lower distal ends thereof.
BRIEF DESCRIPTION OF THE DRAWINGS
For a better understanding of the nature and objects of the present invention, reference
should be made to the following detailed description with the accompanying drawings,
in which:
FIG 1 is a perspective view of a heel protector according to an embodiment of the
present invention;
FIG 2 is a perspective view of the parts of the heel protector of FIG. 1 before
installation;
FIG. 3 is a perspective view of a heel protector according to another embodiment of the
present invention; FIG. 4 is a perspective view of a heel protector according to still another embodiment
of the present invention;
FIG. 5 is a perspective view of a heel protector with the inner surface turned out
according to the present invention;
FIG. 6 is an operational view of a heel protector according to the present invention;
FIG. 7 is a schematic view for illustrating a connected section between a body member
and an inner pad member inside a heel protector according to the present invention;
FIGS. 8 to 10 are perspective views of a heel protector according to still a further
embodiment of the present invention; and
FIGS. 11 to 14 are perspective views illustrating the prior arts.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The preferred embodiments of the present invention will now be described in detail
with reference to the annexed drawings, where the present embodiments are not
limiting the scope of the present invention but are given only as an illustrative purpose, and throughout the drawings, like reference numerals are used for designation of like or equivalent parts or portions for simplicity of illustration and explanation.
Referring to FIGS. 1 and 2, a heel protector (10) according to the present invention includes a body member (100) and an inner pad member (200).
The body member (100) has a cylindrically bent "L" shape and is made of a flexible
fabric material. In other words, the body member (100) has a shape of a sock cut out at
a front section thereof. Auser may wear the body member (100) just like a sock or may
insert the body member (100) inside a sock to encompass the heel of the user.
It should be appreciated that although a so-called ankle protector having its front
portion cut off will be explained hereinafter, it is evident to those skilled in the art that
the present invention can be applied to a sock with its front portion stitched, and it
belongs to the protective scope of the present invention. In other words, when an
opening of the front section of the body member (100) in FIG. 1 is sewn up to look like
a regular sock, the sewn-up sock belongs to the protective scope of the present
invention.
Furthermore, the inner pad member (200) of a substantially oblong shape for
accommodation to an inside of the body member (100) is coupled to an inner section
of the body member (100) for being snugly fitted to the heel when the sock is worn.
Although the inner pad member (200) is described to have a substantially oblong shape, it should be appreciated that the shape of the inner pad member does not limit the
scope of the present invention as long as it teaches a hereinafter-described technical
characteristic in relation to a coupled shape between the inner pad member and the
body member.
The inner pad member (200) and the body member (100) are sewn for coupling
therebetween. In other words, both longitudinal distal ends of the inner pad member
(200) are stitched to the body member (100) to allow the inner pad member (200) and
the body member (100) to be stitched along the stitching line (210). Furthermore, a
part of both lateral distal ends of the inner pad member (200) are connected to the body
member (100) via thread rings (400). The thread ring (400) serves to tie the inner pad
member (200) and the body member (100) for being snugly fitted to both lateral ends
of the heel.
Referring now to FIG 7, both longitudinal distal ends of the substantially oblong inner
pad member (200) are sewn to the body member (100) by the stitching line (210).
Furthermore, central marginal sections in the longitudinal direction of the inner pad
member (200) are tied to the body member (100) by the thread rings (400) such that
sections to which the body member (100) is not affixed can be relatively moved in the
opposite direction against the body member (100). The central marginal section is a part of lateral distal ends of the inner pad member (200) and corresponds to an area of
the inner pad member (200) accommodated to a lateral section of the heel.
It is preferable that the inner pad member (200) is loosely connected to the body
member (100) in order to promote a relative smooth movement between the inner pad
member (200) and the body member (100).
A predetermined space is formed between longitudinal distal end of the inner pad
member (200) and distal end of the body member (100) as shown in FIG. 1, and a
longitudinal distal end of the inner pad member (200) and a distal end of the body
member (100) may be directly connected as illustrated in FIG 3.
Referring now to FIG. 4, a band (300) for maintaining elasticity may be disposed at an
upper end or a lower end of the body member (100) in order to increase comfort and
stability in wearing the heel protector (10). An ankle can be protected by the band
(300) that wraps and applies pressure to the upper and lower ends of the heel. The band
(300) at the lower end of the body member (100) can further produce an effect of
applying pressure to the sole for remedial treatment.
Now referring to FIG. 5, which illustrates a perspective view of the heel protector with the inner surface turned out, the body member (100) is made of a flexible fabric
material and is formed at both distal ends thereof with a band (300). An inner pad
member of a substantially oblong shape is sewn along a stitching line (210) and both
distal ends of the body member (100). Furthermore, the band (300) and the body
member (100) are coupled by said stitching line (210).
As illustrated in FIG 5, a predetermined amount of space is formed between the inner
pad member (200) and the body member (100) before the heel protector is worn, and
when the heel protector is worn by a user, the body member (100) is stretched or
expanded to fit the shape of a foot and the inner pad member (200) is accommodated
to the heel.
Preferably a predetermined amount of space is formed between the inner pad member
(200) and the body member (100) even after the heel protector is worn such that a
smooth sliding can be effected between the inner pad member (200) and the body
member (100).
According to the preferred embodiment of the present invention, the body member
(100) is made of 55% nylon/spandex and 45% cotton. The area contacting the body member at the inner pad member (200) is made of 100% polyester while the area of the inner pad member (200) accommodated to the heel is made of fabric woven with
micro polyester.
The heel protector according to the embodiment of the present invention is configured
such that free movement can be effected between the body member (100) and the inner
pad member (200) due to less friction while greater friction is produced at an area
where the inner pad member (200) and the heel are mutually contacted, thereby
preventing the heel from slipping with the inner pad member (200).
Furthermore, soft and supple artificial fur made of micro polyester is used for an area
contacting the heel at the inner pad member (200) to increase friction with the heel and
to prevent occurrences of skin damage, whereby a comfortable feeling created by
warmth and softness can also be provided when the heel protector according to the
present invention is worn.
FIGS. 8 to 10 illustrate still a further embodiment where all constructions are the same
as those of the previous embodiments except for a 'V cut-out at each marginal center
of the inner pad member (200) such that the inner pad member (200) can be easily
folded at the cut-out section. In this case, inclined surfaces of the 'V cut-out section
overlap each other to be coupled to the body member (100) via the thread ring (400). The operation of the present invention will now be described with reference to FIG 6.
When a user wears the heel protector of the present invention on his or her foot, the
heel of the foot is snugly fitted to the inner pad member (200) while other areas of the
foot are supported by the body member (100). A predetermined amount of space is
preferably formed between the inner pad member (200) and the body member (100)
for a smooth sliding therebetween. Preferably, a material of one surface of the inner
pad member (200) contacting the heel has a greater friction force while a material of
the other surface of the inner pad member (200) and a surface material of the body
member (100) contacting thereto have less friction force therebetween. The user may
wear a sock on top of the heel protector.
When the user walks in shoes with the heel protector (10) on, feet move inside the
shoes according to the movement of the feet. Conventionally, friction caused by the
movement of the feet directly or indirectly generates calluses or blisters on the heel of
the feet. However, when the heel protector (10) of the present invention is worn,
friction is generated between the inner pad member (200) and the body member (100)
while walking (as shown in an enlarged, detailed view of FIG. 6), and the heel moves
simultaneously along with the inner pad member (200) such that no direct friction is generated on an area of the heel where calluses or blisters were formed in the past. As
a result, calluses and blisters are effectively prevented from being formed at the bottom
of the heel.
Although not illustrated in the drawings, there is another advantage in the heel
protector of the present invention in that the same operation is applied to the Achilles'
tendon at an upper part of the heel such that blisters prone to be formed by the friction
with a shoe can be prevented. Blisters can be effectively prevented especially when a
new pair of shoes are worn. Although FIG. 6 shows only a case of back and forth
movements, the same effect can be obtained for left and right movements.
Both longitudinal distal ends and a part of both lateral distal ends of the inner pad
member in the heel protector according to the embodiments of the present invention
are affixed to the body member such that the inner pad member (200) and the heel are
simultaneously moved at an area where the heel is substantially accommodated and
calluses and blisters can be formed.
Subsequently, the inner pad member (200) wraps around the heel of the user to thereby
restrict friction from occurring between the heel and the inner pad member (200), and
friction caused by sliding is generated between the inner pad member (200) and the body member (100) to effectively prevent formation of calluses or blisters caused by
the friction between the heel and the shoes.
The inventor of the present invention has discovered that the result of this operation is
most effectively accomplished in the heel protector where both longitudinal distal ends
and a portion (an area where both lateral ends of the heel are accommodated) of both
lateral distal ends of the inner pad member are affixed to the body member (100).
In other words, only some parts (400) of both lateral distal ends of the inner pad
member (200) are affixed to the body member (100). Therefore, movement of the inner
pad member (200) in relation to the body member (100) can be maximally guaranteed,
compared to a case of the entire border of the inner pad member (100) being coupled
to the body member (100). Furthermore, when compared to a case of only both
longitudinal distal ends of the inner pad member (200) being coupled to the body
member (100), a user can easily wear the heel protector, and problems of the inner pad
member being folded or the position of the inner pad member not being fixed can be
addressed. Still furthermore, the heel protector can be manufactured with a simple construction to enable to simplify the manufacturing process and reduce the
manufacturing cost. The inventor conducted clinical demonstrations by having a user wear the heel
protectors according to the embodiments of the present invention. A test was
conducted on fifteen male Ssirum (Korean wrestling) athletes and ten male adults in
which they walked 80 kilometers for three nights and four days wearing the heel
protectors (20 kilometers per day totaling 32 hours). Even after the long and tedious
walks, no problems were found on the skins of the heels. In other words, calluses or
blisters were not found on the skins of the heels. Furthermore, it was also verified that
the heel protectors had supported the ankles to provide the wearers psychological
comfort, without resulting in sprained ankles.
The heel protectors according to the embodiments of the present invention are useful
to professionals including athletes, soldiers and the like who are frequently on their
feet. The formation of calluses or blisters can be effectively prevented by the heel
protectors of the present invention even for the general public when they work out,
climb mountains or go for a walk.
The foregoing description of the preferred embodiments of the present invention has
been presented for the purpose of illustration and description. It is not intended to be
exhaustive or to limit the invention to the precise form disclosed, and modifications
and variations are possible to those skilled in the art in light of the above teachings or may be acquired from practice of the invention. It is intended that the scope of the
invention be defined by the claims appended hereto, and their equivalents.
As apparent from the foregoing, there is an advantage in the heel protector according
to the embodiments of the present invention in that friction generated on heels while
walking can be subdued by an inner pad member to thereby prevent formation of
calluses or blisters. There is another advantage in that the configuration thereof
simplifies the manufacturing process and reduces the manufacturing cost.

Claims

WHAT IS CLAIMED IS:
1. A heel protector comprising: a body member made of a flexible fabric material for being worn on the feet;
and an inner pad member coupled to an inside of the body member for
accommodation to an area where a heel is located when the heel protector is worn, wherein both distal ends of longitudinal direction of the inner pad member are
coupled to the body member, and two areas of the inner pad member accommodated to
both lateral sections of the heel are coupled to the body member, such that the inner
pad member can relatively slide in relation to the body member when the heel
protector is worn.
2. The heel protector as defined in claim 1, wherein the body member has a
cylindrically bent shape.
3. The heel protector as defined in claim 1, wherein the inner pad member has a
substantially oblong shape, and each of the two areas coupled to the body member is a
portion of a lateral distal end of the inner pad member.
4. The heel protector as defined in claim 3, wherein the inner pad member is cut
in the shape of a "N" at both longitudinal central portions of edges thereof.
5. The heel protector as defined in claim 1, wherein the body member is provided
with an elastic band at at least one of upper and lower distal ends thereof.
EP05721743A 2004-03-19 2005-01-05 A heel protector Not-in-force EP1725128B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040018842 2004-03-19
KR1020050000357A KR100587895B1 (en) 2004-03-19 2005-01-04 an heel protector
PCT/KR2005/000018 WO2005089578A1 (en) 2004-03-19 2005-01-05 A heel protector

Publications (3)

Publication Number Publication Date
EP1725128A1 true EP1725128A1 (en) 2006-11-29
EP1725128A4 EP1725128A4 (en) 2007-06-20
EP1725128B1 EP1725128B1 (en) 2010-03-10

Family

ID=34993387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05721743A Not-in-force EP1725128B1 (en) 2004-03-19 2005-01-05 A heel protector

Country Status (4)

Country Link
US (1) US20070192938A1 (en)
EP (1) EP1725128B1 (en)
JP (1) JP2007529642A (en)
WO (1) WO2005089578A1 (en)

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Also Published As

Publication number Publication date
WO2005089578A1 (en) 2005-09-29
EP1725128B1 (en) 2010-03-10
JP2007529642A (en) 2007-10-25
EP1725128A4 (en) 2007-06-20
US20070192938A1 (en) 2007-08-23

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