Toilet seat lifting mechanism

A toilet seat lifting mechanism, comprising a base frame, a movable frame, a toilet seat support, a toilet seat, two sets of linkage, and at least one lifter;

• said base frame being an upstanding framework defining a rearward opening and a horizontal top plane;
• said movable frame being pivotally connected at a front pivoting point to a top front of said base frame;
• said toilet seat support being a U-shaped member defining a forward opening, and being pivotally connected at pivoting points on a rear edge thereof to a top rear end of said movable frame;
• said toilet seat being pivotally connected at a rear end to the rear edge of said toilet seat support to normally flatly position on a top of said toilet seat support;
• said two sets of linkage being laterally symmetrically mounted to two inner sides of said base frame, each set of said linkage including a lower link and an upper link;
• said lower link being pivotally connected at a front end to an upper frame of said base frame and at a rear end to a rear end of said upper link;
• and said upper link being pivotally connected at a near-middle point to said movable frame, and in movable contact at a front end with an underside of said toilet seat;
• and
• said lifter including a base pivotally connected to a lower frame of said base frame, and an extension shaft having an outer end pivotally connected to a predetermined pivoting point on said movable frame.