Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1989-06-22
1992-10-13
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36119, 36 99, 36 54, A43B 504
Patent
active
051540118
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a sports boot, in particular a cross-country ski boot, which has a low inner upper which may be laced and a high outer upper with a quick closure fastener.
2. Description of the Related Art
Such a sports boot is disclosed, for example, in German Offenlegungsschrift 3,151,587. This known sports boot has a higher outer upper and a lower inner upper, the inner upper being closable by means of a tie fastening and thus holding the foot during use of this sports boot. The outer upper in this known cross-country ski boot is closed by a covering flap with a quick-closure device (adhesive closure). Such adhesive closures are known by the trade name VELCRO.TM..
This known cross-country ski boot has the disadvantage that the outer upper is closed and held only by the covering flap. In the course of cross-country skiing the ankle joint is greatly flexed with each step. Great stresses consequently occur in the cross-country ski boot in the bending zone of the ankle joint, and creases are produced in the bending zone of the boot during flexing of the foot. This causes the covering flap, which is in fact held on the upper only by an adhesive closure, to become detached during lengthy skiing periods, and it has to be fastened again repeatedly by the skier. This arises all the more so if, as is usual in practice, the covering flap is sewn only at its front end to the outer upper and held by a VELCRO.TM. strip at both sides of the access opening, in order to make it easier to put on the ski boot.
The known cross-country ski boot also has the disadvantage that the tie fastening of the inner upper is difficult to reach, and the user is obstructed by the outer upper when tying a knot or bow. Moreover, the bow or knot is then on the inside of the outer upper, which can lead to unpleasant pressure sensations, in particular during lengthy use.
SUMMARY OF THE INVENTION
The object of the invention is to avoid the disadvantages of the known cross-country ski boot and to produce a cross-country ski boot in which the covering flap performs no holding function, but only a covering function for the outer upper, as a protection against cold and snow. In addition, the cross-country ski boot is to be simple and easy to put on and close, and will be simple and inexpensive to manufacture.
This object is achieved according to the invention by providing tie fastening of the inner upper which also holds the outer upper, preferably in its ankle joint flexing zone thus, tensile forces in this heavily stressed region of the outer upper are absorbed by the tie fastening. The covering flap consequently does not have to absorb any forces, and can therefore be of a simple and inexpensive design, while still ensuring a secure closure even with lengthy use. The cross-country ski boot according to the invention also has the advantage that through the arrangement of the tie fastening the closure of the boot is facilitated also at the outer upper, and the bow or knot in the end lies outside the outer upper.
It is also known in a cross-country ski boot available on the market to provide the covering flap with an elongated eyelet, while a fastening strip sewn to the upper of the boot in its upper region is fed through the eyelet by its free end, and the free end is then fixed on the outer upper. Although this ensures a good closure of the cross-country ski boot also in the upper edge area of the outer upper and a secure hold for the covering flap in this region, the known solution is labour-intensive and thus expensive.
The invention ensures a good closure of the topmost outer upper area and at the same time ensures that the covering flap does not have to absorb any holding forces in this area either. This measure can advantageously be used in a sports boot, either alone or in conjunction with other aspects of the invention.
Further, the invention provides a particularly simple and inexpensive solution to overcoming the previously described deficiencies of the related art.
The
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Baburek Otakar
Holzl Klaus
Stanzl Robert
Hilliard Thomas P.
Sewell Paul T.
TMC Corporation
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