Patent ID: 7168106

Claim:
A toilet seat lifter, comprised of a housing, a small lever arm, a large lever arm, an upper cam, a lower cam, and a seat lift adjustment means, the housing capable of being attached to a standard toilet underneath the placement of the toilet seat, the housing using the standard-equipment toilet seat bolts to hold it to the toilet, the upper cam and lower cam connected by physical engagement, the small lever arm connected fixedly to the center of rotation of the upper cam, the large lever arm connected fixedly to the center of rotation of the lower cam, the small and large lever arms bent in such a manner that the motion of the large lever arm rotates the lower cam and by means of physical engagement the lower cam rotates the upper cam, the motion of the upper cam rotates the small lever arm, the small lever arm inserted into an attachment slot in the side of a standard toilet seat, the end of the small lever arm capable of sliding the length of the attachment slot while the seat is lifted, said sliding motion minimizing the angular distance turned by the upper cam, the large lever arm possessing a counterweighted pedal at the end of the large lever arm away from the lower cam, the pedal possessing a multiplicity of insertion holes that are capable of receiving the end of the large lever arm, the distance the pedal stops above the ground when the pedal is depressed adjustable by means of selecting an appropriate hole in which to insert the large lever arm, the pedal held removably on the end of the large lever arm, the large lever arm extending from the housing behind the standard toilet seat towards the floor without contacting the floor, the toilet seat lifter operated by attaching the housing behind the toilet seat such that one end of the small lever arm is inserted into the attachment slot in the side of the standard toilet seat, the large lever arm extending alongside the toilet stool towards the floor, the seat lifted by pressing down the pedal at the end of the large lever arm with the foot until the toilet seat is all the way up, the seat lowered by lifting the pedal with the foot until the toilet seat starts towards the down position.