发明名称 Spring wire lift apparatus for toilet seat
摘要 Spring wire lift apparatus for toilet seat is installed on the rear end of toilet seat to keep toilet seat at upright or near upright position. The toilet seat that has installed this device can be pushed downward. And when external force of downward pushing is released this toilet seat springs back upward to upright or near upright position. Man does not have to lift toilet seat every time before urinating.
申请公布号 US2009199330(A1) 申请公布日期 2009.08.13
申请号 US20080069715 申请日期 2008.02.12
申请人 TONG KUN YUAN 发明人 TONG KUN YUAN
分类号 A47K13/10 主分类号 A47K13/10
代理机构 代理人
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