US Patent 9234333 Anti-freeze faucet

An anti-freeze faucet includes a housing engaged into a receptacle, a check valve device engaged into the housing, a cap mounted on the housing and having an opening communicating with the check valve device, a casing attached to the cap and having a space communicating with the opening of the cap and having one or more outlet orifices, a non-circular follower is slidably engaged in a non-circular chamber of the casing for guiding the follower to move up and down along the casing, a plug is attached to the follower for blocking and opening the cap, and a shank is engaged in the casing and has a threaded segment engaged with the follower for moving the follower along the casing and for moving the plug to engage with the cap.