| 摘要 |
PROBLEM TO BE SOLVED: To obtain a helmet that sufficiently secures width of a protective shield and has a high wearing stability with a simple structure. SOLUTION: A U-shaped latching pin 8 and a U-shaped engaging projection part 9 are integrally formed on both sides of the inside of an approximately hemispherical helmet body 2 of the helmet 1. A pair of a hole part and an engaging hole part of a guide sheet 3 are engaged and fixed on a pair of the latching pin 8 and the engaging projection part 9. Between the guide sheet 3 and the helmet body 2, the protective shield 5 is movably arranged between the two engaging projection parts 9 and 9. The guide sheet 3 is equipped with a pair of second latching pins 15 inside the engaging hole part. The second latching pin 15 and the latching pin 8 are equipped with four support bands 20 of a hammock 4. COPYRIGHT: (C)2009,JPO&INPIT
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