The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2022
Filed:
Mar. 25, 2021
Toto Ltd., Kitakyushu, JP;
Nobuhiro Hayashi, Kitakyushu, JP;
Hidekazu Kitaura, Kitakyushu, JP;
Akihiro Shimuta, Kitakyushu, JP;
Masahiro Kuroishi, Kitakyushu, JP;
TOTO LTD., Fukuoka, JP;
Abstract
The present invention is a flush water tank apparatus () and includes: a storage tank () on which a drain port () is formed, a discharge valve () opening/closing the drain port; a discharge valve hydraulic drive unit () driving the discharge valve using water supply pressure; a clutch mechanism () coupling the discharge valve and the discharge valve hydraulic drive unit to pull up the discharge valve; flush water amount selection device capable of selecting between a first and a second amount of flush water; a timing control mechanism controlling a timing of the drain port being blocked; and a control jet unit () jetting, when the second amount is selected, flush water to a water receiving surface provided on the timing control mechanism so that a timing of the drain port being blocked is earlier than a case of the first amount of flush water.