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US 4,307,471 AGranted
Protective helmet
AssigneeDu Pont Canada Inc.
InventorPeter J. Lovell
Life of this patent
Estimating the term…
Abstract
A helmet for the protection of sportsmen and/or workers in potentially hazardous occupations is disclosed. In one embodiment the helmet comprises a protective head shell and means to position the helmet on a users head in which the head shell has an outer section slidably connected to an inner section. The outer section is adapted to move relative to the inner section on impact with an object. In another embodiment the helmet further comprises a plurality of cushioning projections located between the two shells, each projection being integrally connected to one of the shells.
Claims8
A protective helmet comprising:
- (a) an outer shell;
- (b) cushioning means located on the inside of said outer shell, said cushioning means including an inner shell spaced apart from the outer shell and being adapted to move relative to the outer shell;
- (c) a plurality of projections located between the inner shell and the outer shell, each of said projections being integrally connected to a base selected from the group consisting of (1) the outer shell, (ii) the inner shell, and (iii) a base independent of said shells and which is located between said shells, said projections being elongated and substantially rigid and being adapted to flex when subjected to compressive force, the projections having free ends that contact or are juxtaposed to a shell.
Dependencies are inferred from the claim text.