Patent ID: 7641065

Claim:
A canteen comprising: a main body provided with an opening formed at its top; a cover engaged with said opening of said main body and provided with a jointing tube formed in its central portion to protrude into said opening of said main body, said jointing tube provided with two notches cut symmetrically; a control unit fixed on said cover and provided with a jointing portion formed at its lower portion, a sucker formed at an upper portion of said control unit and having an outlet bored in its center, said jointing portion provided with two grooves respectively formed at its two sides and reversely shaped; a valve installed inside said control unit and provided with a bar formed on its top for corresponding to said outlet of said control unit, a guiding rod transversely extended out from two sides of a bottom of said valve to extend through said grooves of said control unit and said notches of said cover; and an annular blocker fixed at a bottom of said control unit.