PROBLEM TO BE SOLVED: To provide a toilet seat opening/closing system capable of hygienically opening a toilet seat of a western-style flush toilet without direct contact with hand when opening it while allowing the system to be installed to an existing toilet bedpan.;SOLUTION: An action wire J is pulled downward by stepping on an opening/closing pedal H attached on a floor at a side of a bedpan D of a western-style flush toilet by foot, a contact point F lowers and a balance arm M lifts so as to raise a toilet seat F.;COPYRIGHT: (C)2014,JPO&INPIT
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