| 摘要 |
In a trap gun having a hollow stake and a barrel nested therein, wherein the barrel includes a trigger and a poisonous material-filled cartridge, the improvement wherein the trigger trip is a one-piece spring wire form having a helical segment which wraps around the stake, and two segments extending from opposite ends of the helix. One of the two segments extends inwardly of the helix and protrudes through a hole in the stake wall to anchor the form, while the other segment extends in the direction of the trigger to engage it when the barrel moves outwardly of the stake.
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