SHOE FOR PRACTICING SPORTS INVOLVING GLIDING OVER THE SNOW OR FOR WALKING

• US 20140013630A1
• Filed: 02/20/2012
• Published: 01/16/2014
• Est. Priority Date: 02/21/2011
• Status: Abandoned Application

• Current Assignee: Salomon SA (Anta International Group Holdings Ltd.)
• Original Assignee: Salomon SA (Anta International Group Holdings Ltd.)
• Inventors: Saillet, Thomas, Gignoux, Pierre, Constant, Franck
• Application Number:
  US14/000,510
• Publication Number:
  US 20140013630A1
• Time in Patent Office: Days
• US Class Current: 36/117.1
• CPC Class Codes: A43B 1/00 Footwear characterised by the material
• CPC Class Codes: A43B 1/0018 made at least partially of flexible, bellow-like shaped material
• CPC Class Codes: A43B 13/026 Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
• CPC Class Codes: A43B 13/12 Soles with several layers of different materials
• CPC Class Codes: A43B 13/16 Pieced soles with several layers of different material A43B13/12
• CPC Class Codes: A43B 3/0052 X-shaped or cross-shaped
• CPC Class Codes: A43B 5/04 Ski or like boots
• CPC Class Codes: A43B 5/0411 for cross-country
• CPC Class Codes: A43B 5/0421 located underneath the sole
• CPC Class Codes: A43B 5/0472 having a flexible toe portion; provided with a hinge at the ball of the foot
• CPC Class Codes: A43B 5/0482 made from materials with different rigidities
• CPC Class Codes: A43B 5/049 with an upper made of composite material, e.g. fibers or core embedded in a matrix
• CPC Class Codes: A43B 5/0496 boots for touring or hiking skis

Abstract

Boot (1) intended for the practice of sports involving gliding on snow or walking, characterized in that it includes an outer shell (2, 2′, 20, 26, 26′, 34, 42) made of a rigid material, the shell (2, 2′, 20, 26, 26′, 34, 42) including a rear cradle (22, 28, 28′, 39, 44) provided to hold the heel of the user, the rear cradle (22, 28, 28′, 39, 44) being extended forward by a blade-shaped portion (6) defining a bending zone, the rear cradle (22, 28, 28′, 39, 44) comprising a peripheral wall (5, 31) and a bottom, the bottom of the cradle and the blade-shaped portion partially defining the sole assembly of the boot, and characterized in that it includes an inner liner (20).

Claims

1. Boot (1), particularly intended for the practice of sports involving gliding on snow or walking, characterized in that it includes an outer shell (2, 2′

, 20, 26, 26′

, 34, 42) made of a rigid material, the shell (2, 2′

, 20, 26, 26′

, 34, 42) including a rear cradle (22, 28, 28′

, 39, 44) provided to hold the heel of the user, the rear cradle (22, 28, 28′

, 39, 44) being extended forward by a blade-shaped portion (6) defining a bending zone, the rear cradle (22, 28, 28′

, 39, 44) comprising a peripheral wall (5, 31) and a bottom, the bottom of the cradle and the blade-shaped portion partially defining the sole assembly of the boot, and characterized in that it includes an inner liner (20).

2. Boot (1) according to claim 1, characterized in that the shell (2, 2′

, 20, 26, 26′

, 34, 42) includes a front cradle (21, 27, 27′

, 38, 45, 47), the blade-shaped portion connecting the rear cradle to the front cradle, the blade-shaped portion extending in the area of the metatarsus of a user.

3. Boot (1) according to claim 1, characterized in that the rear cradle and the blade-shaped portion are unitary elements.

4. Boot (1) according to claim 1, characterized in that the rear cradle and the blade-shaped portion are separate elements.

5. Boot (1) according claim 1, characterized in that the thickness of the peripheral wall (5) of the rear cradle is less than 1.5 millimeters.

6. Boot (1) according to claim 1, characterized in that it includes a front cradle, and in that the thickness of the peripheral wall of the front cradle is less than 1.5 millimeters.

7. Boot according to claim 1, characterized in that the thickness (ep) of the blade-shaped portion (6) in the bending zone (Z) is less than 4.0 millimeters.

8. Boot according to claim 1, characterized in that the thickness (ep) of the peripheral wall (5) tapers off between the bottom (6) and the upper opening (7).

9. Boot according to claim 1, characterized in that the minimum width of the bending zone (Z) is at least greater than 5.0 millimeters.

10. Boot according to claim 9, characterized in that the minimum width of the bending zone (Z) is between 20 and 30 millimeters, and is preferably on the order of 25 millimeters.

11. Boot according to claim 1, characterized in that the shell is entirely made of composite materials, and in that the thickness (ep) of the peripheral wall (5) is between 0.5 and 1.2 millimeters.

12. Boot according to claim 11, characterized in that it is made entirely of carbon fibers, and in that the thickness (ep) of the peripheral wall (5) is between 0.5 and 0.8 millimeters.

13. Boot according to claim 11, characterized in that at least the peripheral wall (5) is made of glass fibers, and in that the thickness (ep) of said peripheral wall (5) is between 0.8 and 1.2 millimeters.

14. Boot according to claim 1, characterized in that the blade-shaped portion (6) is made of composite materials, and in that it includes unidirectional fibers of the composite material in the bending zone (Z).

15. Boot according to claim 1, characterized in that the bending zone (Z) defines a front cradle and a rear cradle, the materials of the front and rear cradles being different from one another, the blade-shaped portion (6) being made of carbon fibers.

16. Boot according to claim 1, characterized in that lightening holes are provided in the rear cradle.

17. Boot according to claim 1, taken together with claim 16, characterized in that at least the cradle is made of a plastic material, and in that the thickness (ep) of the cradle is less than or equal to 1.5 millimeters.

18. Boot (1) according claim 1, characterized in that the bending zone (Z) defines a front cradle and a rear cradle, the shell comprising the front cradle and the rear cradle, the shell comprising a means for fixing the front and rear cradles in the area of overlap of the front and rear bottoms of the cradles.

19. Boot (1) according to claim 1, characterized in that the bottom of the rear cradle extends beneath the bottom of the front cradle, the fixing means being arranged beneath the front cradle.

20. Boot (1) according to claim 1, characterized in that the front bottom extends beneath the rear bottom, the fixing means being arranged beneath the rear cradle.

21. Boot according to claim 18, characterized in that the fixing means (33, 33′

) is removable.

22. Boot according to claim 1, characterized in that the shell is a unitary element.

23. Boot according to claim 1, characterized in that the shell comprises a stiffening blade (35) extending at least beneath the bending zone (Z), said stiffening blade (35) being adapted to assume an active position in which said stiffening blade (35) thickens the sole assembly in the bending zone (Z), and an inactive position in which the end (37) of the stiffening blade (35) is free.

24. Boot according to claim 23, characterized in that the free end (37) of the stiffening blade (35) extends rearward of the bending zone (Z).

25. Boot according to claim 24, characterized in that the free end (37) of the stiffening blade (35) is adapted to be retained in the active position by a removable retaining means (40).

26. Boot according to claim 1, characterized in that it comprises protective upright panels (12) in the area of the malleoli.

27. Boot according to claim 1, characterized in that the bending zone (Z) defines a front cradle and a rear cradle, and in that the front cradle has a central upper recess (8).

28. Boot according to claim 1, characterized in that the shell comprises through holes adapted to receive fixing screws (11), and in that it comprises inner shoulders arranged around the through holes, adapted to house the heads of said fixing screws (11).

29. Boot according to claim 1, characterized in that the bending zone (Z) defines a front cradle and a rear cradle in the shell (42), and in that the boot comprises two straight stays (43) connecting the walls of the rear cradle (44) to the walls of the front cradle (45), respectively.

30. Ski boot according to claim 1, characterized in that the bending zone (Z) defines a front cradle and a rear cradle in the shell (42′

), and in that the boot comprises a Y-shaped stay (46) connecting the walls of the rear cradle (44) to the front cradle (47).