Patent ID: 6260820
Filing Date: 2001-07-17
Classification: F16K

Abstract:
A valve, comprising:a casing including a body having an internal cavity, an inlet attached to said body and an outlet attached to said cavity, said casing further including a projection extending from said body into said cavity;a valve member being positioned at least partially within said cavity and having an outer surface of substantially circular cross-section of said valve member, said valve member having an axis of rotation extending substantially normal to said passageway, said valve member further including a slot extending inwardly toward said passageway from said outer surface, said slot being defined by slot surfaces and being configured to receive said projection when said valve member is rotated about said axis of rotation, said slot further being configured such that a stop portion of said at least one of said slot walls acts as a stop for halting rotation of said valve member relative to the valve body in a first rotative direction;a stem attached to said valve member, said stem extending away from said valve member along said axis of rotation;wherein said slot and said passageway contiguous.