| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas cock in which there is not such a danger that a vertically movable plate is inclined with respect to an operation shaft even when the vertically movable plate is attached to the operation shaft.SOLUTION: A groove 22 over the whole circumference of an operation shaft 2 is formed on a middle part of the operation shaft 2, at the same time, a vertically movable plate 3 which allows turning of an operation shaft 2 while being fit without ricketiness for the groove 22 is attached to the operation shaft 2 and is vertically moved together with the movement in the axial line direction of the operation shaft 2 while the vertically movable plate 3 is baffled and, upon the pushing movement of the operation shaft 2, a microswitch for ignition is turned on by means of the vertical movable plate 3. |
