ES2400905A1 - Sole for footwear and footwear that includes such sole. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

The object of the invention is a sole for footwear that has a set of elements that facilitate the function of walking producing a tilting movement that minimizes the impact of the footprint on the joints as well as the load that the bones of the sole of the foot support. . The footwear incorporating said sole is also the object of this patent. (Machine-translation by Google Translate, not legally binding)

Description

OBJECT OF THE INVENTION

The object of the invention is a sole for footwear that has a set of elements that facilitate the function of walking producing a tilting movement that minimizes the impact of the tread on the joints as well as the load that the bones of the sole of the foot support . The footwear incorporating said sole is also the subject of this patent.

BACKGROUND OF THE INVENTION

The soles for footwear that have a curved surface and that are normally formed by several pieces of different material and configured so as to define assembled said sole with a curved shape that mounted on a shoe cut are known, result in footwear that facilitates the function of walking.

This type of footwear is usually composed of the following four elements:

-

a sole body that extends from the back or heel to the front and which comprises on its lower face a recess that extends from the central area of the sole to the rear area thereof,

-

a wedge located in the recess of the sole body that

It has less stiffness than the sole body,

-

an assembly plant, located on the sole body and which

it has greater rigidity than the sole body, and

-

a roller skate, located on the underside of the

main sole and wedge intended to be in contact with

soil,

The configuration of a sole of this type produces a movement of tilt when walking that achieves an improvement in the posture of the back of the user, in addition to minimizing the shock efforts that occur on the joints of the knees, hip and spine . This effect is achieved because the rounded shape of the shoe causes a tilting around the central area of the shoe, slightly shifting the foot and leg forward, so that the knee bends slightly, so that it absorbs the shock efforts without be transmitted to the joints. The shoe therefore produces a rounding effect, that is, a rolling during the support on the floor.

However, the wedge located in the back of the main sole, that is, under the heel although it achieves the beneficial effect of improving the posture of the back when walking, has the disadvantage that it performs a trampoline effect of the rear part of the foot that projects to the front with an impulse that increases the load on the foot support in the area of the metatarsals and can damage these joints.

The sole of the present invention solves the above technical problem by a special configuration thereof.

DESCRIPTION OF THE INVENTION

The present invention consists of a sole for footwear of the type of

those described above comprising a sole body with a recess in the heel in which the wedge that has less stiffness than the sole body, the assembly plant and the roller skate is housed.

It characterizes the invention that the sole body comprises a housing on its face intended to be in contact with the rolling skate while the wedge comprises an extension adapted to be housed in the housing of the sole body, extending the housing and the extension from the central area of the sole body to at least the area adapted for the support of the metatarsals of the foot during the flexion of the tread.

In this way, the metatarsal area of the foot has a cushioned support of the same stiffness as the wedge area. The fact that this extension is in the mounting position inserted in a housing of the sole body, of greater rigidity than the wedge material, makes the support, even if it is cushioned, limited the expansion of the extension to the hollow of the housing , so that at the same time it is possible to maintain the stability in the tread.

Also object of the present invention is footwear incorporating a sole as described.

DESCRIPTION OF THE DRAWINGS

To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical implementation thereof, a set of drawings is attached as an integral part of said description. where, for illustrative and non-limiting purposes, the following has been represented:

Figure 1.- Shows a perspective view of an embodiment of a shoe sole according to the invention.

Figure 2.- Shows a plan view of a sole body from the face intended to be in contact with the roller skate.

Figure 3.- Shows a plan view of the wedge and the extension according to an embodiment.

Figure 4.- Shows a perspective view of a plant mounted from its face intended to be in contact with the sole body.

Figure 5.- Shows a side view of the assembly plant corresponding to the embodiment example of Figure 4.

PREFERRED EMBODIMENT OF THE INVENTION

An exemplary embodiment of the sole (1) object of the invention is shown in Figure 1. The sole (1) comprises a sole body (2) comprising a recess that extends from the central area thereof (2) to the rear area. It also has a wedge (4) located in the lower recess of the sole body (2) which is made of a material of less stiffness than the sole body (2). Figure 1 also shows the roller skate (5), located in the lower part of the sole body (2) and which extends from the front to the rear and is intended to be in contact with the ground. Finally, it also has an assembly plant (3), located on the main sole (2) and which is of a material of greater rigidity than the sole body (2).

The sole body (2) can be made of high density polyurethane, with a cavity in the upper part to insert the assembly plant (3).

The wedge (4) and the extension (7) can be made of low density polyurethane. While the roller skate could be made of TPU material.

An embodiment of the sole body (2) and the wedge (4) with extension (7) is shown in figures 2 and 3. In this exemplary embodiment, the housing (6) and the associated extension (7) do not extend to the front end (8) of the sole body (2) but extend to the area destined to be support of the metatarsals (9). ) of the foot. This increases the stability of the tread, since a large part of the load on the tread will occur in the support area of the metatarsals (9) of the foot when the tread is performed, while in the area before the support, that is, the area of the fingers maintains the stiffness provided by the sole body (2).

Additionally, in the junction zone between the extension (7) and the wedge

(4)

there is a narrowing (10) of the extension (7). This narrowing

(10)

It allows for a greater surface of the sole body (2) in the central area of the sole (1) so that its stability (1) in the tilting zone is increased, achieving a stable tread.

An example of the assembly plant (3) is shown in Figure 4. The assembly plant (3) comprises inserted into its face intended to be in contact with the sole body (2) a rag (11) of rigid material that extends longitudinally thereto (3). Normally the cambrillón (11) will consist of a sheet steel profile. In the example of embodiment shown, the cambrillón (11) extends to the area destined for the support of the metatarsals (9), thus the assembly plant

(3) It is divided into a rigid zone, which is where the cambrillón (11) is located and an area of less stiffness that is located between the boundary of the 5 cambrillón (11) and the extreme front zone (9 ) of it (3). This fact makes it possible to avoid flexion in the metatarsal support zone (9), so that it favors the tilt system when walking while the zone of less stiffness allows a small flexion that facilitates the assembly and assembly in the cutting of shoe. The assembly plant (3) can be

10 made of TPU material and anatomically shaped.

A side view of the assembly plant is shown in figure 5

(3) comprising its raised front zone (8) relative to the central zone

and rear in a range between 10 and 12 degrees, preferably 11 degrees of 15 so that an adequate impulse is provided towards the heel area.

Claims (8)

 R E I V I N D I C A C I O N E S 1.- Sole (1) for footwear, comprising:

-

a sole body (2) comprising in its lower face a

recess that extends from the central area of the sole (2)

to the back of it (2),

-

a wedge (4) located in the recess of the sole body (2)

which has less stiffness than the sole body (2),

-

a mounting plant (3), located on the sole body

(2) and which has greater rigidity than the sole body (2), and

-

a roller skate (5), located on the underside of the

main sole (2) and wedge (4) intended

to to be in

ground contact,

characterized in that the sole body (2) comprises a housing (6) on its face intended to be in contact with the roller skate (4) while the wedge (4) comprises an extension (7) adapted to be located in the housing (6) of the sole body (2), the housing (6) and the extension (7) extending from the central area of the sole body (2) up to at least the area adapted for the support of the metatarsals (9) of the foot during the flexion in the tread. 2. Sole (1) for footwear, according to claim 1, characterized in that the housing (6) and the extension (7) extend to the area adapted for the support of the metatarsals (9) of the foot during flexion in the tread. 3. Sole (1) for footwear, according to claim 1 or 2, characterized in that the extension (7) and the housing (6) comprise a narrowing (10) in the area of union of the extension (7) with the wedge (4). 4.-Sole (1) for footwear, according to any one of the preceding claims, characterized in that the assembly plant (3) comprises a rag (11) of rigid material that extends longitudinally and that is 5 has inserted in its face destined to be in contact with the sole body (2). 5.-Sole (1) for footwear, according to claim 4, characterized in that the cambrillón (11) extends to the area adapted for the support of the 10 metatarsals (9) of the foot during foot flexion. 6. Sole (1) for footwear, according to any one of the preceding claims, characterized in that the assembly plant (3) comprises its raised front area (8) with respect to the central area in a range between 10 and 12 15 degrees 7. Footwear comprising a sole (1) described in any one of claims 1 to 6. SPANISH OFFICE OF THE PATENTS AND BRAND Application no .: 201131240 SPAIN Date of submission of the application: 07.20.2011 Priority Date: REPORT ON THE STATE OF THE TECHNIQUE 51 Int. Cl.: A43B13 / 00 (2006.01) A43B13 / 14 (2006.01) RELEVANT DOCUMENTS

Category

56 Documents cited Claims Affected

X

WO 9520332 A1 (REEBOK INT LTD et al.) 03.08.1995, description: page 23, line 11 - page 24, line 13; page 25, line 1 - page 26, line 34; figures. 1-3

Y

4-6.7

Y

WO 2009106076 A1 (ECCO SKO AS et al.) 03.09.2009, description: page 6, lines 23-28; page 10, line 11 - page 11, line 26; figures. 4,5,7

Y

EN 2295887 T3 (SPRINGBOOST S A) 04/16/2008, description: page 2, lines 36-40; page 3, lines 41-42; figures. 6

TO

US 4694591 A (BANICH HOWARD P et al.) 22.09.1987, description: column 2, line 31 - column 3, line 24; figures. 1-7

TO

US 2009100705 A1 (COOK CHRISTOPHER S et al.) 04/23/2009, description: paragraph [103]; figures. 1-7

TO

WO 2009 125888 A1 (KWAK OH RYEN) 15.10.2009, description: paragraph [25]; figures. 1-7

TO

WO 2007089122 A1 (LEE BYUNG HUN) 09.08.2007, description: paragraphs [9-14,39,53]; figures. 1-7

TO

US 5572805 A (GIESE ERIK O et al.) 12.11.1996, description: column 10, line 59 - column 11, line 37; figures. 1-7

Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application

This report has been prepared • for all claims • for claims no:

Date of realization of the report 26.03.2013

Examiner E. M. Pértica Gómez Page 1/4

REPORT OF THE STATE OF THE TECHNIQUE Application number: 201131240 Minimum documentation sought (classification system followed by classification symbols) A43B Electronic databases consulted during the search (name of the database and, if possible, terms of search used) INVENES, EPODOC, WPI State of the Art Report Page 2/4  WRITTEN OPINION Application number: 201131240 Date of Completion of Written Opinion: 03.23.2013 Statement

Novelty (Art. 6.1 LP 11/1986)

Claims Claims 1-7 IF NOT

Inventive activity (Art. 8.1 LP11 / 1986)

Claims Claims 1-7 IF NOT

The application is considered to comply with the industrial application requirement. This requirement was evaluated during the formal and technical examination phase of the application (Article 31.2 Law 11/1986).  Opinion Base.- This opinion has been made on the basis of the patent application as published. State of the Art Report Page 3/4  WRITTEN OPINION Application number: 201131240 1. Documents considered.- The documents belonging to the state of the art taken into consideration for the realization of this opinion are listed below.

Document

Publication or Identification Number publication date

D01

WO 9520332 A1 (REEBOK INT LTD et al.) 03.08.1995

D02

WO 2009106076 A1 (ECCO SKO AS et al.) 03.09.2009

D03

ES 2295887 T3 (SPRINGBOOST S A) 04/16/2008

2. Statement motivated according to articles 29.6 and 29.7 of the Regulations for the execution of Law 11/1986, of March 20, on Patents on novelty and inventive activity; quotes and explanations in support of this statement The present invention relates to a sole for footwear and footwear incorporating said sole. Document D01 is considered the closest in the state of the art to the object of the invention claimed in claims 1 to 7 (references and comments in brackets correspond to this document). Thus, with respect to the features described in claim 1, it discloses a sole for footwear, comprising a sole body (104) comprising on its lower face a recess that extends from the central area of the sole to the rear area thereof, a wedge (10) located in the recess of the sole body that has less stiffness than the sole body (description, page 25, lines 5 to 8), a mounting plant (88), located on the body of sole and that has greater rigidity than the sole body (description, page 23, lines 25 to 34), and although there is no mention of the existence of a roller skate, located on the underside of the main sole intended to be in contact with the ground, this characteristic is obvious to an expert in the field. In addition, the sole body comprises a housing (138) on its face intended to be in contact with the ground while the wedge comprises an extension (42) adapted to be located in the housing of the sole body, extending the housing and extension from the central area of the sole body to at least the area adapted for the support of the metatarsals of the foot during foot flexion (description, page 25, lines 21 to 28). With respect to the features described in claim 2, document D01 discloses that the housing (138) and the extension (42) extend to the area adapted for the support of the metatarsals of the foot during flexion in the tread (see figures). With respect to claim 3, document D01 describes that the extension and the housing comprise a narrowing (74) in the area of attachment of the extension with the wedge. Therefore, the invention defined in claims 1, 2 and 3 does not differ from the known technique described in document D01 in any essential way. Therefore, the invention according to said claims is not considered to imply inventive activity and does not meet the criteria established in Article 8.1 of Law 11/86 of March 20 on patents. With respect to claim 4, document D02 discloses that an assembly plant comprising a garment bag (4) of rigid material that extends longitudinally and is disposed inserted in its face destined to be in contact with the sole body. In addition said cambrillón (4) extends to the area adapted for the support of the metatarsals of the foot during the flexion of the foot, characteristic is disclosed in claim No. 5. The person skilled in the art could therefore consider as a normal option of design to include these characteristics in those described in document D01 to solve the problem, so that the object of claims 4 and 5 do not imply inventive activity and do not meet the criteria established in Article 8.1 of Law 11/86 of March 20 patents. With respect to claim 6, document D03 discloses an assembly plant with its raised front zone relative to the central zone in a range between 10 and 12 degrees (description, page 3, lines 41 to 42). The person skilled in the art could therefore consider as a normal design option to include this characteristic in those described in document D01 to solve the problem, so that the object of claim 6 does not imply inventive activity and does not meet the criteria established in Article 8.1 of Law 11/86 of March 20 on patents. With respect to claim 7, wherein a shoe is disclosed comprising a sole as described in any one of claims 1 to 6; as argued above said claim lacks inventive activity and therefore does not meet the criteria established in Article 8.1 of Law 11/86 of March 20 on patents. State of the Art Report Page 4/4