Patent ID: 8899427

Claim:
A baby bottle mixing device for mixing a liquid and powder, comprising: a threaded cap; a cylindrical stationary valve member including a second sidewall with a first set of threads at a top edge, said first set of threads cooperatively engaging a second set of threads connecting a lid to said stationary valve member, a first circular bottom wall having a first aperture formed therein, said first aperture being sized to fit within a selected circular sector of said first bottom wall, said first aperture disposed between a side edge and a center point of said first bottom wall, said second sidewall extending below said first bottom wall and including third set of threads, said second sidewall having a slot formed therein, said slot disposed above and parallel to a second bottom wall, said slot extending around a selected distance of said second sidewall; a cylindrical shaped movable valve member having a third sidewall and a second bottom wall, said third sidewall having a first circumferential groove formed within an outside surface thereof and located near a top edge thereof, said third sidewall having a second circumferential groove formed within an outside surface thereof and located near a bottom edge thereof, said first and said second grooves each including sealing means disposed therein, said movable valve member insertable within said stationary valve member whereupon said first bottom wall abuts said second bottom wall and said sealing means forming a leak-proof seal between said second sidewall and said third sidewall, said slot being situated between said grooves, said third sidewall having a window formed therein and located between said first groove and said second groove, said window containing a lever engaging said cylindrical movable valve member, said lever pivoting through said slot to a position where a user can push said lever to rotate said movable valve member within said stationary valve member, said second circular bottom wall having a second aperture formed therein, said second aperture sized to fit within a selected circular sector of said second bottom wall, said second aperture is of the same size as said first aperture, said second aperture extending from a side edge and a center point of said second bottom wall; and said first aperture and said second aperture being misaligned when said lever is at a first end of said slot in an open position and said first aperture and said second aperture being aligned when said lever is at a second end of said slot in a closed position.