| 摘要 |
<p>PROBLEM TO BE SOLVED: To inexpensively provide a gas cylinder opening device improved in gas discharging efficiency.SOLUTION: A gas cylinder opening device includes an arm 11 provided with an opening bearing hole 11a formed on one end of a plate member and engaged with an opening shaft 13c, an opening blade 11f disposed on a position between the opening bearing hole and an opening force application point on which opening force acts for opening the opening plate, and a release shaft disposed between the opening blade and the opening force application point, and an opening restriction portion 30 restricting tilting of the arm. When the restriction on tilting of the arm is released by the opening restriction portion, the arm is tilted by the opening force in a state that the opening bearing hole is engaged with the opening shaft, thus the opening blade breaks through the opening plate, the release shaft is engaged with a release bearing by further tilting, the opening bearing hole and the opening shaft are disengaged from each other, a tiling fulcrum of the arm is moved from the opening shaft to the release shaft 11e, and the opening blade opening the opening plate is drawn out from the opening plate in accordance with continuation of tilting of the arm.</p> |
