Boots – shoes – and leggings – Insoles – Laminated
Patent
1988-08-29
1990-07-10
Meyers, Steven N.
Boots, shoes, and leggings
Insoles
Laminated
36 71, 128621, 128582, A43B 714, A61F 514
Patent
active
049398520
DESCRIPTION:
BRIEF SUMMARY
The invention relates to an elastic foot support to be built-in or inserted in shoes, consisting of a support plate made of an arched elastic flat material, preferably sheet steel, carrying an elastically flexible support body at its frontal portion, which serves for its support against the shoe sole.
Such elastic foot supports have the purpose to elastically support one segment of the foot bone structure, such as the metatarsus and/or the forefoot, in order to obtain relief, to avoid modifications of the bone structure, thereby generally making walking more pleasant. However, this objective can only be achieved with such foot supports when they can be readily adjusted to any shoe. This being the case, it is important that the support body--which is also called a pad--can be mounted or replaced on the support plate by a layman.
This is possible in a foot support as known from the German Utility Model No. G 85 17 462.9. In the insole known from this prior art publication, the support body is exchangeably superimposed with annular holders on at least two pins provided with spherical heads, or fastened thereto, whereby the two pins projecting from the bottom of the support plate are spot-welded to this plate.
The present invention improves upon this known foot support that consists of a support plate made of arched elastic flat material, which at its frontal portion is provided on its bottom with an elastically flexible support body having at least two toroidally shaped projections. An additional object of this invention is to shape the support plate and the thereto fastened support body so that this foot support has a massaging effect on the foot of the wearer.
For this purpose, the support plate according to the invention has in its frontal area a cut out running aproximately symmetrically to its longitudinal axis, or a corresponding slot, and furthermore the support body is fastened to the support plate in such a manner that some of its parts protrude through the cut-out or the slot, when the foot of the wearer presses against the support plate, exercising this way a massaging effect upon the foot.
Due to the rythmical pacing motion, respectively the alternate-side pressure on the support plate, a lifting motion of this plate results, which in turn exercises pressure on the flexible jaws, respectively toroidally shaped projections of the support body. Through the cut-out or the slot in the support plate, the padding mass is pushed upwardly performing a massage of the forefoot.
Suitably, the support body is designed like a flat pocket. The flat pocket can be fitted over the frontal portion of the support plate, which in addition has the advantage that it can be easily replaced by the layman, so that each time the support body having the most appropriate size can be fitted over the support plate.
In comparison with the arrangement according to the Utility Model No. G 85 17 462.9, an additional advantage results, namely that due to the fact that no fastening means have to be provided on the support plate, the arrangement according to the invention is much simpler.
An orthopedic foot support consisting of a support plate and support pad, whose support plate is provided with a fork-like shot in its frontal area is known from the German Pat. No. 896 921. However, here the support pad is fastened to the support plate by rivets and forms a mechanical unit with the plate. With this foot support it is neither possible nor intended to obtain a massaging effect.
Also, it is not possible to obtain the effect intended by the invention with the shoe insole according to the Swiss Pat. No. 123 413, since the pocket-like protection piece fitted over the frontal part of the support plate serves only for the protection of its edges. An interaction between the support plate and this protection piece does not exist in the known arrangement.
In an optimal embodiment of the invention, the slot in the support plate has the approximate shape of an isosceles triangle, whereby the mutually concurrent sides end in an almost circular r
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patent: 2083581 (1937-06-01), Silver
patent: 2569721 (1951-10-01), Juers
patent: 2600864 (1952-06-01), Fuller
patent: 4658516 (1987-04-01), Beck
patent: 4715131 (1987-12-01), Kremendahl
Dubno Herbert
Meyers Steven N.
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