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:
Aug. 23, 2022
Filed:
Jun. 09, 2021
Toto Ltd., Kitakyushu, JP;
Nobuhiro Hayashi, Kitakyushu, JP;
Hidekazu Kitaura, Kitakyushu, JP;
Akihiro Shimuta, Kitakyushu, JP;
Masahiro Kuroishi, Kitakyushu, JP;
Hiroshi Hashimoto, Kitakyushu, JP;
Koki Shinohara, Kitakyushu, JP;
Kenji Hatama, Kitakyushu, JP;
Takashi Yoshioka, Kitakyushu, JP;
TOTO LTD., Kitakyushu, JP;
Abstract
Provided are a flush water tank apparatus capable of restraining instability of an operation of a piston and restraining fluctuations in a water pressure of flush water discharged from a first discharge part provided separately from an inlet, and a flush toilet apparatus including the flush water tank apparatus. A discharge valve hydraulic drive portion of a flush water tank apparatus of the present invention includes a cylinder, a piston, and a rod extending from the piston through a through-hole portion formed in the cylinder, the cylinder including an inlet into which flush water flows, a first discharge part that is provided separately from the inlet to drain the flush water, and a second discharge part that is provided separately from the first discharge part and is formed between the rod and the through-hole portion and between the piston and the through-hole portion.