Method of selecting size of a helmet and shape of a pad, method of adjusting helmet size by using the selection method, and head size measuring tool used in aforesaid selection method

摘要

By inputting an upper head size (Z) to a computer in addition to a front & back length-size (X) and a right & left width-size (Y) of a head portion (94) of a helmet wearer (93) and by data-processing them, there is employed a configuration in which a kind of the helmet size and a shape of a pad (131, 134 to 137, 141 to 147) such as a pad (143 to 145), in the region consisting of the head-top portion and the vicinity thereof, or the like, which fit the head portion (94) of the helmet wearer, are to be selected. It is possible to provide a selection method in which it is possible to easily select a kind of a preferable size of the helmet, and a preferable shape of the pad in the region consisting of the head-top portion and the vicinity thereof.