Patent ID: 7082958

Claim:
An air valve for attaching to a bladder, said air valve comprising: a valve member for attaching to the bladder, said valve member including a bore formed therein, and a space formed therein and communicating with said bore thereof and having an inner diameter greater than that of said bore thereof, a plug received in said space of said valve member, and including a needle passage formed therein for receiving an air inflating needle and for supplying pressurized air into the bladder, and a protective bonnet engaged onto said valve member and including a chamber formed therein to receive said valve member, said protective bonnet including an outer wall member having at least one opening formed therein, to allow air to flow through said at least one opening of said protective bonnet and to flow into and out of the bladder, said protective bonnet including a flexible bottom panel capable of blocking said valve member by the pressurized air in the bladder, and said outer wall member of said protective bonnet including a bellows-shaped structure formed by at least one peripheral bulge and at least one peripheral recess, to allow said wall member to be extended and retracted.