Multi-part protective helmet
AssigneeDragerwerk Aktiengesellschaft
InventorsHans Reddemann, Tronje von dem Hagen
Life of this patent
Estimating the term…
Abstract
A helmet with a forward face opening and a downward neck opening comprises a hard outer shell and a custom fittable and split inner shell which fits the head of the wearer without play, is easy to put on and take off, and has a high degree of mechanical stability and provides optimal wearer comfort. For this purpose the inner shell is connectable with the outer shell and it has a fixed inner contour custom fitted to the wearer's head, a one-piece outer shell is slipped over and forms the closure for the inner shell.
Claims8
A protective helmet comprising an inner shell which is custom fittable and is formed of at least two connected inner shell split portions and an outer hard protective shell which is engageable over said split inner shell so that together the inner shell and the outer shell provide a face opening and a neck opening, said inner shell having a fixed interior contour fitted to the wearer's head, said outer shell being of one piece with an interior contour to engage over said inner shell.
A protective helmet comprising an inner shell formed of two shell parts, means interconnecting said two shell parts of said inner shell together permitting their pivotal separation for removal of said shell parts from the wearer's head, an outer protective hard shell part having an interior contour complementary to the exterior contour of said inner shell for interfitting engagement over said inner shell, said outer shell holding said interconnecting parts of said inner shell together over the wearer's head.
A protective helmet comprising an inner shell which is custom fittable and is formed of at least two split portions and an outer hard protective shell which is engageable over said split inner shell so that together they have a face opening and a neck opening, said inner shell having a fixed interior contour fitted to the wearer's head, said outer shell being of one piece with an interior contour to engage over said inner shell, said inner shell including two shell portions which are connected together along a central front and rear split line and means permitting pivotal spring biasing interconnection of said shell portions with a quick removal of said inner shell from the person's head.
Dependencies are inferred from the claim text.