Patent ID: 9340962
Filing Date: 2016-05-17
CPC Classification: E03D

Claim Text:
1. An operating device for a flush water tank assembly, which is designed to operate a water discharge valve disposed in a flush water tank to start supply of flush water to a toilet main unit, comprising: an operating member disposed in a lateral region of an outer surface of the flush water tank, and configured to be rotationally moved according to a rotational operation performed by a user; a rotary shaft for transmitting the rotational movement of the operating member to an inside of the flush water tank; a drive unit disposed above a level of flush water within the flush water tank, and driven according to the rotational movement of the rotary shaft, a wire coupling the drive unit and the water discharge valve together, and capable of opening and closing the water discharge valve by means of its own displacement, wherein the drive unit comprises a rotation mechanism configured to be rotated at a radius of rotation greater than that of the rotary shaft, and the rotation mechanism comprises a rotary roll-up member, the rotary roll-up member being operable to roll up the wire along a pulley portion formed on an outer periphery of the rotary roll-up member by its own rotation.