| 摘要 |
1,204,792. Safety helmet. L. P. FRIEDER. 18 Jan., 1968 [6 Feb., 1967], No. 40791/69. Heading A3V. [Also in Division B5] A safety helmet comprises a rigid shell fitting over a human head and having an open bottom defined by a continuous bottom edge to which is attached a beading element 35 (see Heading B5K) comprising a U-shaped channel portion receiving said edge and, secured to one side of the U by a web, a cylindrical portion which cushions any contact between the head and the helmet edge. |
