Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1986-11-14
1988-03-01
Watkins, Donald
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 76, 36 62, 36117, A43C 1500, A43C 1502, A43B 500
Patent
active
047276622
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device intended to be positioned under footgear as a walking facility and/or anti-skid means, whereby the device comprises a tread means which is fastenable at the front and at the back of the footgear through fore and rear anchoring members.
Numerous devices have been made in order to facilitate walking and/or reduce the risk for slipping with footgear, especially ski boots with rigid leg portions. Examples of such devices are described in U.S. Pat. Nos. 3,965,586 and 4,156,316, DE-OS Nos. 22 23 480, 24 24 875 and 26 52 654 and NO-PS No. 139 073. The problem with this prior art device has been that they can not be adapted to shoes of different size, they can not be rigidly fastened or quickly removed therefrom in a simple manner and they can not, after use, assume such a shape that they can be put away in some small space, e.g. a trousers-pocket.
Therefore, the object of the present invention is to, at first hand, provide a walking facility and/or anti-skid means which may be adapted to shoes of various size, may be fastened and quickly removed in a simple manner and, after use, may assume such a small shape that it may be put away in small spaces, e.g. a trousers-pocket. This is arrived at according to the invention substantially while the walking facility and/or anti-skid means has obtained the characterizing features of claim 1.
While the tread means of the invention has a zigzag shape and normally is substantially shorter than the footgear, it is easy to put away in small spaces, and the zigzag shape permits an increase of the length of the tread means by elongation thereof and thus, straightening from a contracted to a more elongated zigzag-shape. The zigzag-shape also permits elongation of the tread means to various extents for adapting the length thereof to footgear of various size and it makes it easy to fasten the tread means and keep it in a firm grip on the footgear because of the condition thereof.
The invention will be further described below with reference to the accompanying drawings, wherein
FIG. 1 is a top plan view of the device according to the invention in its normal shape;
FIG. 2 is a side view of the device;
FIG. 3 is a front view of the device;
FIG. 4 is a side view of the device during extension thereof for application on a shoe or boot and in extended or elongated condition after application on the shape or boot;
FIG. 5 is a top plan view of the device in extended condition after application thereof on the shoe or boot;
FIG. 6 is a top plan view of the device in compressed condition with a ring drawn thereonto;
FIG. 7 is a front view of the device in compressed condition; and
FIG. 8 is a side view of the device in compressed condition.
The device 1 illustrated in the drawings is intended to be positioned under footgear, i.e. a shoe or boot 2, preferably ski-boots with rigid leg portions, as a walking facility and/or anti-skid means. The device 1 comprises a tread means 3 which is fastenable at the front and back of the footgear 2 by means of fore and rear anchoring members 4 and 5 respectively. The illustrated tread means 3 is made of rubber material or any corresponding elastic polymer and it consists of a zigzag-shaped band 6 extending standing between forward and rearward end portions 7 and 8 respectively. In retracted normal shape (see FIG. 1), reciprocating portions 9 of the zigzag-shaped band 6 extend in a direction substantially transverse to that direction T wherein the tread means 3 is intended to be elongated or extended. Furthermore, central parts 10 of the reciprocating portions 9 extend at a distance from each other only somewhat exceeding the thickness of said reciprocating portions 9 (the distance between the central parts 10 is in the embodiment shown 5 mm, while the thickness of the portions 9 is 4 mm). The reciprocating portions 9 transcend into each other via transition portions 11 which on the inner side are preferably rounded and on the outer side transformed into outer tread portions 12 that are somewhat thicker than two rec
REFERENCES:
patent: 4160301 (1979-07-01), Woolley
patent: 4228602 (1980-10-01), Groves
patent: 4286397 (1981-09-01), Booty
patent: 4294025 (1981-10-01), Keller
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