| 摘要 |
PROBLEM TO BE SOLVED: To provide a safety helmet having ear protectors disposed so as to be vertically adjustable on the helmet and configured to be sound-permeable in the middle area. SOLUTION: In the safety helmet, for vertical adjustability of the ear protectors 2, each ear protector 2 or the helmet 1 is provided on its longitudinal sides with at least one row of at least two insertion pins, or insertion openings for the insertion pins, disposed equidistantly in the helmet's longitudinal direction, and the helmet 1 or the ear protector 2 is provided with at least two rows a, b, c disposed one above the other of at least two insertion openings 3a, 4a, 5a; 3b, 4b, 5b; 3c, 4c, 5c or insertion pins each, disposed at the same distance in the helmet's longitudinal direction. COPYRIGHT: (C)2009,JPO&INPIT
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