Patent ID: 8721296

Claim:
A hand pump comprising: a base including a conduit formed therein and having an inlet opening and an outlet opening, a manual pump including a housing disposed on said base, said housing including a chamber formed therein and communicating with said inlet opening of said base, a piston slidably received and engaged in said chamber of said housing, and a piston rod attached to said piston for actuating said piston to move along said chamber of said housing in a reciprocating action in order to pump and generate and supply a pressurized air out of said housing and into said inlet opening and said conduit of said base, a receptacle disposed on said base and including a compartment formed therein and communicating with said outlet opening of said base for selectively receiving the pressurized air from said conduit of said base, a casing disposed on said receptacle and including a passage having an inlet port coupled to said outlet opening of said base for guiding the pressurized air to flow between said conduit of said base and said passage of said casing, and including a channel and a mouth piece coupled to said compartment of said receptacle for guiding the pressurized air to flow between said channel of said casing and said compartment of said receptacle, said casing including a pathway formed and communicated between said passage and said channel of said casing, and an outlet hole communicated with said channel of said casing, a valve shank slidably engaged in said channel of said casing for selectively blocking and sealing said outlet hole of said casing, and including a bore formed in said valve shank and communicating with said channel and said pathway of said casing, and including an outlet opening formed in said valve shank and communicating with said bore of said valve shank for selectively communicating with said outlet hole of said casing and for selectively supplying the pressurized air out through said outlet hole of said casing when said valve shank is moved relative to said casing, and an actuating device including a rod pivotally received and engaged in said casing, and said rod including a cam member for selectively engaging with said valve shank and for moving said valve shank to selectively block and seal said outlet hole of said casing and to selectively open said outlet hole of said casing.