WO2011020798A4

WO2011020798A4 - Tread cushion for shoe soles

Info

Publication number: WO2011020798A4
Application number: PCT/EP2010/061862
Authority: WO
Inventors: Stefan Lederer
Original assignee: Stefan Lederer
Priority date: 2009-08-18
Filing date: 2010-08-15
Publication date: 2011-04-21
Also published as: WO2011020798A1

Abstract

The present invention relates to a tread cushion (1) for shoe soles, comprising the following: a) an elastic brace element (2) formed from a single piece, comprising two arms (21, 22) which have the same width, length, and thickness and which are distanced apart from each other; and a connection point (23), the thickness of which is such that the elastic brace element (2) forms a hollow section with an open and a closed face, the thickness of the connection point (23) substantially determining a spring-back effect of the tread cushion (1); and b) a filling (3) with predetermined Shore hardness A in the elastic brace element (2). The Shore hardness of the filling (3) substantially determines a damping effect of the tread cushion (1) in addition to the spring-back effect. The filling (3) can be fixed to the two arms (21, 22) of the elastic brace element (2).

Claims

- 1 - AMENDED CLAIMS received by the International Bureau on 28 February 201 1 (28.02.201 1)

1. Performance shoe (1) for shoe soles, comprising:

a) an elastic clasp (2) which is formed in one piece, with two arms (21, 22) which have a width, length and thickness, and a distance from one another; and a joint (23) having a thickness, whereby the elastic clasp (2) forms a hollow profile with an open and a closed side, wherein substantially the thickness of the joint (23) determines a springback effect of the impingement buffer (1); and

b) a filling (3) with a predetermined Shore hardness A in the elastic clasp (2), wherein essentially the Shore hardness A of the filling (3) determines, in addition to the restoring effect, a damping effect of the emergence buffer (1),

wherein the filling (3) is fixedly connected to the two arms (21, 22) of the elastic clip (2), and

wherein the lower arm (22) of the elastic clasp (2) is concave inwardly concaved so far that the outer free end (22a) of the arm (22) of the elastic clasp (2) has a substantially constant spring lever arm over a wide rolling range after Fußaufsetzen in the heel area (11) to at least the horizontal position of the foot or the shoe represents.

Second performance buffer (1) according to claim 1, wherein the elastic clip (2) is substantially ellipsoidal, round, oval or U-shaped.

3. performance buffer (1) according to claim 1 or 2, wherein the width of the arms (21, 22) and the elastic clip (2) and the Auftrittspuffers (1) is selected so that they are at a predetermined position of a shoe sole extends substantially over the entire width of the shoe sole.

The performance buffer (1) according to any one of claims 1 to 3, wherein the length of the arms (21, 22) is substantially the same or different, and / or

wherein the length of the arms (21, 22) is about 5 to 8 cm, and / or

wherein the length of the arms (21, 22) has a difference of about 1.5 to 2 cm, and / or

MODIFIED SHEET (ARTICLE 19) -2- wherein the thickness of the arms (21, 22) is about 2 to 4 mm, and / or

wherein the distance between the arms (21, 22) to each other about 12 to 20 mm or 15 to 30 mm; and or

wherein the arm (21, 22) has a concave curvature on the bottom side of the elastic clip (2); and or

wherein the arms (21, 22) are substantially straight and / or curved.

5. Performance buffer (1) according to one of claims 1 to 4, wherein the thickness of the connection point (23) is about 4 to 15 mm.

The performance buffer (1) according to any one of claims 1 to 5, wherein at least one side of at least one arm (21, 22) is chamfered on the open side of the elastic clasp (2); and or

wherein the elastic clasp (2) has a recess (4) in at least one arm (21, 22) on the open side and / or a recess (4) on the closed side in both arms (21, 22) Longitudinal axis runs, wherein preferably the length of the recess (4) is about 2 to 3 cm; and or

wherein the elastic clasp (2) is made of carbon fiber, polyoxymethylene (POM) or a combination thereof.

7. Auftrittspuffer (1) according to claim 1, wherein the filling (3) of ethyl vinyl acetate (EVA) or polyurethane (PU) is prepared, wherein preferably the filling (3) has a Shore A hardness of about 25.

8. step buffer (1) according to one of claims 1 to 7, wherein in the closed side of the elastic clip (2) has a hard element (7) or an adjustable screw or bolt (7 ') for reducing the angle there under load is arranged.

The kickstand (1) according to claim 8, wherein said hard member (7) is made of a hardfill having a Shore A hardness of about 80 to 100, or wherein said adjustable screw or bolt (7 ') is in one of said arms (21, 22) molded guide (7 ") runs and is adjustable up to the stop.

10. bouncing buffer (1) according to any one of claims 1 to 9, wherein the elastic clip (2) comprises means (6) to the baffle (1) in a specifically shaped holder

MODIFIED SHEET (ARTICLE 19) -3-

(5) to fix.

11. Performance buffer (1) according to any one of claims 1 to 9, wherein the elastic clasps (2) for the ball area and heel area (11) are formed as integral with a sole occurrence buffer (1).

12 shoe sole with at least one appearance buffer (1) according to one of the preceding claims, wherein preferably the at least one occurrence buffer (1) is incorporated in the shoe sole by molding, or

wherein preferably the at least one impact buffer (1) is received in the shoe sole by means of a holder (5) specifically shaped for this purpose.

13. Shoe sole with at least one performance buffer (1) two appearance buffers according to claim 12, wherein in the shoe sole in each case a performance buffer (1) in the ball area and a performance buffer (1) in the heel area (11) of the shoe sole is arranged.

Shoe sole having at least one bumper (1) according to claim 12 or 13, wherein the upper surface of the shoe sole (12) has radially inwardly directed notches (13), thereby allowing greater flexibility of movement between the intermediate shoe sole regions, and / or wherein the Schuhsolenaufbau in a preferred embodiment, a plastic part (8) in the middle of the shoe sole.

Shoe sole having two tread buffers (1) according to one of claims 12 to 14, wherein a plastic part (8) is provided between the elastic clasps (2) of the buffers (1), which is designed to reduce a pushing through of the upper footbed ,

MODIFIED SHEET (ARTICLE 19)