US 5,345,614 AGranted

Vehicle helmet

AssigneeShoei Kako Kabushiki Kaisha

InventorHaruo Tanaka

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Abstract

A vehicle helmet, including a cap body comprised of a shell and a shock absorbing liner fitted to an inner surface of the shell, and a longitudinally extending air duct which is provided in a wall of of the cap body, such that the inside of the cap body can be ventilated through the air duct, wherein at least a portion of the shock absorbing liner is divided into an outer layer on the side of the shell, and an inner layer superposed on an inner surface of the outer layer, the inner and outer layers having recessed grooves provided in opposed surfaces thereof to define an air duct, the inner layer having a vent hole. Thus, air-stream flowing into the air duct can flow at a high rate without any leakage, thereby reliably performing a ventilation of the inside of the cap body.

Claims9

Dependent claims

A vehicle helmet comprising:

a cap body comprised of a shell and
a shock absorbing liner fitted in the shell;
a longitudinal air duct which extends in the shock absorbing liner of the cap body, such that the interior of the cap body can be ventilated through the air duct, wherein
at least a portion of said shock absorbing liner is divided into an outer layer facing an inner surface of the shell, and an inner layer superposed on an inner surface of the outer layer, at least one of said inner and outer layers having a recessed groove provided in an opposed surface thereof to define the air duct,
said inner layer having a vent hole communicating with said air duct and opened to the interior of the cap body, and
said shock absorbing liner comprises a liner body having a recess in an outer surface thereof, and said outer layer, and wherein said inner layer forms a bottom wall of said recess and said outer layer is fitted into said recess so as to be superposed on said inner layer.

3 more elements

Dependencies are inferred from the claim text.