Patent · US Active

Helmet having non-bursting air cells

US9820524B1 · kind B1 · utility

13Cited by
9References
16Claims
0Family size

Inventor

Key dates

Filing dateJan 5, 2015
Grant dateNov 21, 2017
Priority date
Expiry dateDec 18, 2035

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF41H1/04
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A helmet having non-bursting air cells preferably includes a hard helmet shell, an outside air cell impact layer and an inside air cell impact layer. The outside air cell impact layer preferably includes at least one air cell layer and an outside layer of sheet material. Each air cell layer includes a plurality of air cells created between two plastic sheets. The inside air cell impact layer includes the at least one air cell layer. The inside and outside air cell impact layers may be permanently or removably attached to hard helmet shell. A second embodiment of the helmet having non-bursting air cells preferably includes the hard helmet shell, the outside air cell impact layer and an inside air cell inflatable impact layer. The inside air cell inflatable impact layer preferably includes at least one inflatable air cell layer and a check valve.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.