Kitz Corporation

Kitz Sct Corporation

Yusaku Kogure

A lock device for a coupling part of a piping or valve of a raw-material container or the like, capable of preventing looseness and erroneous operation of a coupling, and having favorable stability because the device is fixed as a force is applied to a direction of additionally fastening the coupling. The lock device is provided for achieving prevention of looseness of a coupling part () formed of a screwed member () and a screwing member () side, and includes a clamp member () for additional fastening attached to the screwed member side, a clamp member () for positioning and fixing attached to the screwing member side, and a screw member () for fastening the clamp members. The clamp members are fastened with the screw member (), thereby being fixed to the coupling part while a force is applied to a direction of additionally fastening the screwing member side.

Lock device for pipe coupling and valve coupling part

A one-touch valve including a valve main body () having a valve body incorporated therein, a stem () mounted on the valve main body, a rotating handle () fixedly attached to an upper part of the stem, a holder () accommodated in the rotating handle, and a lock mechanism () arranged in the holder and the rotating handle. The lock mechanism is formed of a spring inserted into the holder, a spherical body provided on a lower spring-back side of the spring, a lock member having a midway on a rear end side axially attached to the holder, having a rear end part pressed by spring-back via the spherical body, and having a tip part side abutting on a lower edge part of the rotating handle in a spring-back state, and an engagement groove where the tip end part side of the lock member is locked by the rotating handle.

Growing community of inventors

Gunma, Japan

Yusaku Kogure