Patent ID: 6758213
Filing Date: 2004-07-06
Classification: B63C

Abstract:
A combination comprisinga diving helmet for encompassing a head of a diver; a guide-through means fixedly mounted on said helmet to define a communication duct between an inside of said helmet and an outside of said helmet, said guide-through means including a housing portion defining a passage therethrough, a piston slidably mounted in said housing portion between a first position closing said passage and a second position opening said passage to a flow of fluid, a spring biasing said piston toward said first position, and a control wheel rotatable mounted on said housing portion to selectively compress said spring towards said piston to regulate the biasing force of said spring on said piston and thereby to regulate the amount of flow through said passage; a supply line connected to said passage of said means to supply liquid thereto; and a mouthpiece within said helmet and in communication with an opposite side of said passage from said supply line to receive a flow of liquid therefrom; and an end unit in said mouthpiece to selectively open said mouthpiece for dispensing a flow of liquid therefrom.