|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/107 ; 137/218 ; 137/360|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 36 인용 특허 : 3|
An anti-siphon frost free faucet having a neck portion that includes an anti-siphon back flow preventer interposed between the neck and a hose, a water drain means positioning at the lowest point in said faucet to facilitate complete water drainage of said faucet when a supply of water to said faucet is turned off and an air vent means on said faucet operable when said supply of water is turned off to allow air into said faucet to assure optimum pressure operate said drain means.
In an anti-siphon water faucet adapted for exterior building mounting wherein there is a body portion that includes a first water cavity and a neck portion that includes a second water cavity that communicates with said first cavity, a handle means including a valve stem projecting through said faucet terminating in a valve means and engagable with a valve seat coupled to a water supply, and said neck portion including a threaded end portion, the improvement including: an anti-siphon water backflow fitting secured to said threaded neck portion and adapte...