Patent ID: 9232827
Filing Date: 2016-01-12
CPC Classification: A42B,A61F

Claim Text:
1. A medical cranial protective helmet consisting of: a hemispherical exterior hard plastic shell that is flexible to enable sizing adjustment on a user and an interior hemispherical interior cushioning laminated into the hemispherical exterior hard plastic shell as a liner; the hemispherical exterior hard and flexible plastic shell has a hinge formed integral with the hemispherical exterior hard and flexible plastic shell and adjacent the hemispherical interior cushioning liner at a top of the hemispherical exterior hard and flexible plastic shell to permit the cranial protective helmet to be divided to enable sizing adjustments on the user as follows, a first adjustable fastener unit, extending across a portion of the first helmet component and a portion of the second helmet component adapted to permit a sizing adjustment to the user; a second adjustable fastener unit, extending across a portion of the first helmet component and a portion of the second helmet component adapted to permit a sizing adjustment to the user; and a third adjustable fastener unit, extending across a portion of the second helmet component in a location between the first and second adjustable fastener units to enable a sizing adjustment of a perimeter trim line of the second helmet component exterior hard and flexible plastic shell and the laminated interior cushioning that is to be adapted to extend adjacent the occipital bone, wherein the perimeter trim line extends upward into the second helmet component to form an upper hemispherical opening through the rear of the second component hard and flexible plastic shell and the interior laminated cushioning liner and the third adjustable fastener unit is positioned to extend across the perimeter trim line and the upper hemispherical opening and adapted to enable a partial closing of the upper hemispherical opening of the hard and flexible second helmet component to provide retention of the cranial protective helmet on the user's head by enabling the perimeter trim line to be adjusted on the user's head, wherein the first helmet component and second helmet component have respective curvilinear perimeter surfaces that are opposite to each other and together form opposed spaced openings, each of a size to be adapted to be aligned over the user's head, for extending around a respective user's ear, and wherein the first, second and third adjustable fastening units each include a strap with one of a hook or a nap complementary fastening element.