OPENING-CLOSING VALVE AND WATER DISCHARGE DEVICE HAVING THE SAME

Title:

OPENING-CLOSING VALVE AND WATER DISCHARGE DEVICE HAVING THE SAME

Document Type and Number:

Japanese Patent JP2004321821

Kind Code:

A

Abstract:

To provide a water discharge device for improving easiness-to-use of the water discharge device by reducing force required for operation of an opening-closing valve when securing a large flow rate.

This water discharge device has the opening-closing valve 60a having a valve hole 63 arranged in a partition wall 62 for partitioning an upstream side waterway 68 and a downstream side waterway 69, a valve element 66 for opening-closing the valve hole, and an operation means having an operation piece 77, and advancing-retreating the valve element. A pressure chamber 72 for generating an internal pressure change by operation of the operation piece, is arranged on the upstream side of the valve element. The valve element is moved in response to the internal pressure change in the pressure chamber.

Inventors:

SUEHIRO JUNKO
HATANAKA YOSHIO
ENOKI MASATOSHI
KIYOFUJI YOSHIHIRO

Application Number:

JP2004183975A

Publication Date:

November 18, 2004

Filing Date:

June 22, 2004

Export Citation:

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Assignee:

TOTO LTD

International Classes:

A47K3/28; F16K7/17; F16K31/145; F16K31/36; F16K31/385; (IPC1-7): A47K3/28; F16K7/17; F16K31/145; F16K31/36; F16K31/385

Attorney, Agent or Firm:

Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Makoto Watanabe

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