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US 5,291,880 AGranted
Protective helmet with protective facepiece connection and adjustment provision
AssigneeCairns & Brother Inc.
InventorsHans O. Almovist, Bengt Kjellberg, Benjamin Huey, Raymond E. Stevens, Jr., Ian Drummond
Life of this patent
Estimating the term…
Abstract
In combination, a protective helmet including an outer shell and an inner impact shell, a protective facepiece, and interconnecting members for mounting the facepiece to the inner impact shell and for placing the facepiece into sealing engagement with the face of a wearer of the helmet.
Claims12
In combination, comprising:
- a protective helmet including an outer shell and a separate deformable inner impact shell mounted removably to the interior of said outer shell;
- a protective facepiece;
- and
- mounting means for mounting said facepiece removably to said separate deformable inner impact shell, and operable by the wearer of said helmet to force said facepiece into sealing engagement with the face of said wearer of said helmet;
- said mounting means are adjustable mounting means operable by said wearer to adjust the force with which said facepiece is forced into sealing engagement with the face of said wearer of said helmet;
- said protective helmet further includes a cradle of straps of webbing for engaging said head of said wearer of said helmet;
- and wherein said adjustable mounting means include:
- (i) first mounting means for mounting said cradle of straps of webbing removably to said inner impact shell and internally thereof,
- (ii) second mounting means mounted removably to said inner impact shell by said first mounting means, and
- (iii) adjustable interconnecting means for interconnecting said facepiece to said second mounting means operable by said wearer to force said facepiece into sealing engagement with the face of said wearer with adjustable force.
7 more elements
Dependencies are inferred from the claim text.