Safety helmet

Abstract

A safety helmet ( 1 ) has ear protectors ( 2 ) which arc disposed so as to be vertically adjustable on the helmet and configured to be sound-permeable in the middle area.

1 . A safety helmet with ear protectors ( 2 ), characterized in that the ear protectors ( 2 ) are disposed so as to be vertically adjustable on the helmet and configured to be sound-permeable in the middle area. 
     
     
         2 . The safety helmet according to  claim 1 , characterized in that 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 ( 11  to  13 ), 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 ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) or insertion pins each, disposed at the same distance in the helmet's longitudinal direction. 
     
     
         3 . The safety helmet according to  claim 2 , characterized in that each ear protector ( 2 ) has at least two insertion pins ( 11 ,  12 ,  13 ) disposed in a row in the helmet's longitudinal direction, and at least two rows (a, b, c) of insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) disposed equidistantly in the helmet's longitudinal direction but vertically offset are provided on the inner side of the helmet ( 1 ). 
     
     
         4 . The safety helmet according to  claim 2 , characterized in that at least three insertion pins ( 11 ,  12 ,  13 ) or insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) are provided in each row. 
     
     
         5 . The safety helmet according to  claim 4 , characterized in that the helmet ( 1 ) has an arc-shaped recess ( 7 ) in the area above the helmet wearer's ears, and at least three insertion pins ( 11 ,  12 ,  13 ) or insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c    5   c ) disposed in a row are disposed in an arc shape in accordance with the recess ( 7 ). 
     
     
         6 . The safety helmet according to  claim 2 , characterized in that each ear protector ( 2 ) has at its upper end a band-shaped portion ( 8 ) on which the insertion pins ( 11 ,  12 ,  13 ) or insertion openings disposed in a row in the helmet's longitudinal direction are provided. 
     
     
         7 . The safety helmet according to  claim 6 , characterized in that the band-shaped portion ( 8 ) with the insertion pins ( 11 ,  12 ,  13 ) or insertion openings is configured as an injection molded plastic part. 
     
     
         8 . The safety helmet according to  claim 3 , characterized in that the insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) are provided in a mounting seat ( 14 ) fastened to the inner side of the helmet shell ( 1 ). 
     
     
         9 . The safety helmet according to  claim 8 , characterized in that the helmet consists at least on the inner side of foam material, and the mounting seat ( 14 ) is provided with an anchoring foamable into the foam material. 
     
     
         10 . The safety helmet according to  claim 9 , characterized in that the mounting seat ( 14 ) with the anchoring is constituted by an injection molded plastic part. 
     
     
         11 . The safety helmet according to  claim 8 , characterized in that the mounting seat ( 14 ) is configured in a plate shape. 
     
     
         12 . The safety helmet according to  claim 1 , characterized in that the ends of the insertion pins ( 11 ,  12 ,  13 ) have a mushroom-shaped head ( 16 ), and the insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) are configured elastically for widening upon insertion of the mushroom-shaped heads and engaging behind the inserted mushroom-shaped heads ( 16 ). 
     
     
         13 . The safety helmet according to  claim 9 , characterized in that the area of the mounting seat ( 14 ) around the insertion openings ( 3   a ,  4   a ,  5   a ;  3   b ,  4   b ,  5   b ;  3   c ,  4   c ,  5   c ) is to be provided with slots ( 17 ) opening into the insertion openings. 
     
     
         14 . The safety helmet according to  claim 6 , characterized in that the thermal insulation portion ( 10 ) is fastened to the band-shaped portion ( 8 ) of the ear protectors ( 2 ). 
     
     
         15 . The safety helmet according to  claim 14 , characterized in that the thermal insulating portion ( 10 ) is provided with an opening ( 10 ) in the middle area.