TOILET SEAT LIFTING AND LOWERING DEVICE

WIPO Patent Application WO2006050090

A3

A toilet seat lifting and lowering device for pivoting the seat to its raised position and for pivoting it back to its horizontal position without having to touch the seat. A first lever arm is rigidly attached at one end to a first part of a torque transfer mechanism and at its other end to a foot pedal and a second lever arm is rigidly attached at one end to a second part of the torque transfer mechanism and at its other end to the toilet seat. With the toilet seat in its horizontal position, a downward force on the pedal produces a rotation of the first part of the torque transfer mechanism which produces an opposite rotation of the second part of the torque transfer mechanism causing the toilet seat to pivot to its raised position. Lifting the pedal, preferably by providing an upward force under the pedal, lowers the seat to the horizontal position. In a preferred embodiment, a counterweight positionable on the first lever arm is provided to provide a constant torque to partially oppose the torque produced by the weight of the toilet seat about its pivot axis. In a preferred embodiment, the first and second parts of the torque transfer mechanism are both cams.

WO/2020/089696	A DEVICE FOR CONTROLLED LIFTING AND CLOSING OF THE TOILET LID OR TOILET LID ASSEMBLY
JP5594567	Toilet seat rise-and-fall device
JPH01303114	AUTOMATIC OPENING/CLOSING DEVICE FOR STOOL SEAT AND STOOL COVER

PANTOS WILLIAM P (US)
SWORD CURTIS (US)

PCT/US2005/038923

December 07, 2006

October 28, 2005

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PANTOS WILLIAM P (US)
SWORD CURTIS (US)

A47K13/10; A47K13/04

WO1988004534A1

1988-06-30

US2705330A	1955-04-05
US5875498A	1999-03-02
US6263517B1	2001-07-24

See also references of EP 1806996A4

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