Boots – shoes – and leggings – Uppers – Closure
Reexamination Certificate
2002-08-20
2004-10-19
Kavanaugh, Ted (Department: 3728)
Boots, shoes, and leggings
Uppers
Closure
C036S054000, C036S089000, C036S093000, C036S071000, C036S115000
Reexamination Certificate
active
06804901
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a footwear, and particularly to a boot to be used with a runner such as a boot for an ice, inline, or roller skate, cross country ski, snowboard, etc.
2. Description of the Prior Art
The developments of skate boots in the last twenty years have been in the direction of a more rigid boot partly because of the advent of molded plastic shells for the construction of skate boots. Such techniques have allowed a more rigid construction of the uppers, presumably to increase performance, and to improve the protection of the skater. However, there is little consideration for the anatomy or the biomechanics of the foot. The foot is a very complex biomechanical structure with scores of articulates bones, cartilage and muscles. When the foot is encased in a conventional molded plastic shell, little of the mechanical advantages of the complex leverage movements can be transferred to the runner, i.e. blade inline rollers or cross country ski, because of the rigidity of the shell and the instability of the foot within the slipper.
The rigid shell forming the upper, in conventional molded skate boots, is uncomfortable. Various soft inner boots or slippers have been designed for use with such rigid boots to be adapted and to be formed to the foot of the wearer. However, the skate is not therefore responsive to the thrust of the foot. Some of the force being transferred to the foot laterally, or torquewise, is loss due to the movement of the slipper relative to the shell.
SUMMARY OF THE INVENTION
It is an aim of the present invention to provide a boot which is comfortable while providing stability for the foot, thereby providing a high degree of performance.
It is a further aim of the present invention to provide a boot which is designed respecting anatomy and biomechanical aspects of the foot.
It is a further aim of the present invention to provide a boot which has a relatively rigid upper and provided with selected flexible portions to allow suitable flexion extension about the ankle.
It is a further aim of the present invention to provide a boot upper having a lateral quarter and a medial quarter which are asymmetric and mostly rigid.
It is a further aim of the present invention to provide a pair of flexible compressible wall portions provided in the lateral and medial quarters but aligned in a plane containing the general flexion and extension movements of the foot in relation to the ankle.
It is a further aim of the present invention to provide a pair of fastening rows and tongue which extend in the lower part over the vamp, on either side of an axis extending parallel to and between the third and fourth metatarsal bones. The upper part of the lacing is provided on either side of an axis which is aligned with the upper anterior portion of the ankle and which is offset from the axis of the lacing in the lower part thereof.
It is a further aim of the present invention to provide a tongue which extends from the toe box in the area of the vamp and which is coincident with the lacing on the lower part of the upper and which extends offset to be oriented with the lacing in the upper part of the upper.
It is yet a further aim of the present invention to provide an improved inner sole or foot bed in the boot.
It is an aim of the present invention to provide a boot suitable for gliding sports which provides an improvement in comfort, adaptability, foot stability and performance.
A construction in accordance with another aspect of the present invention comprises an upper for a boot having a medial quarter and a lateral quarter and defining a first pair of parallel fastening rows along the front edges of each quarters, at least in the vamp area of the boot, and the median axis of the rows extends between the third and fourth metatarsal bones of the foot.
More specifically the front edges of the lateral and medial quarters include a second pair of fastening rows above the first pair that are offset from the first pair and aligned with the anterior portion of the ankle.
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Joubert Michel
Roy Patrice
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