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US 8,539,613 B2Granted
Protective helmet
AssigneeMine Safety Appliances Company
InventorsF. Joseph Hersick, Kevin R. Ketterer, Robert Klotz
Life of this patent
Estimating the term…
Abstract
A protective helmet includes: a rigid shell including a generally domed-shaped section, a force attenuating liner within the dome-shaped section shell and operatively connected to the rigid shell; and a visor mount in operative connection with the force attenuating liner, the visor mount be adapted to have a visor mounted thereto.
Claims15
A force attenuating liner for use in a protective helmet including a rigid shell comprising:
- a visor mount operatively connected to the force attenuating liner;
- a visor pivotably mounted to the visor mount so that the visor is pivotable to a stowed state between the force attenuating liner and the rigid shell;
- a chin strap attached to the force attenuating liner;
- and
- a connector system operatively connecting the force attenuating liner to the rigid shell, the force attenuating liner disconnects from operative connection with the rigid shell under a predetermined load, wherein the visor mount remains in connection with the force attenuating liner upon disconnection of the force attenuating liner from operative connection with the rigid shell.
2 more elements
Dependencies are inferred from the claim text.