Patent ID: 9289022
Filing Date: 2016-03-22
CPC Classification: A41D,A42B,A42C

Claim Text:
1. A helmet comprising: an outer shell layer; an inner shell layer connected to a chin strap, the chin strap operable to secure the helmet and maintain the position of the inner shell layer on the human head during rotational force impact on the outer shell layer; a shear mechanism between the outer shell layer and the inner shell layer, the shear mechanism configured to allow the outer shell layer to slide up to several centimeters relative to the inner shell layer during rotational force impact on the outer shell layer, a first energy transformer between the outer shell layer and the inner shell layer, the first energy transformer comprising a first absorptive/dissipative material, the first energy transformer adjacent to the shear mechanism, wherein the first energy transformer is configured to absorb/dissipative mechanical energy as thermal/transformational energy.