| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need for separately preparing footgear for ordinary use and footgear for laid snow and to enable the proper and easy selective use of both at need. SOLUTION: This footgear has plural groove hole groups 2 and 3 which are arrayed on footgear soles 1, arbors 6 which are extended in the array direction of the groove hole groups 2 and 3 within the thickness of the footgear soles 1 and plural spikes 7 which are pendently disposed in the positions approximately aligned to the respective groove holes on these arbors 6 and are disposed turnably together with the rotation of the arbors 6 and is constituted to make possible to put into and out of the respective groove holes by its rotation. As a result, the spikes 7 are so formed as to be made puttable into and out of the groove holes, by which one piece of the footgear is made usable for ordinary use and for the laid snow as well. and the proper and simple change over thereof is made possible.
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