PROBLEM TO BE SOLVED: To provide a trigger device for an animal trap in which, even if soil or grass enter the circumference of a pedal part of a trigger part, the soil and grass may not interfere with the operation of the trigger part at the time when pedal force of an animal acts on the pedal part.SOLUTION: A trigger device T for an animal trap includes: an engagement part 1 capable of engaging a fixed arm and a lift arm of a binding trap body so as to be maintained in a closed state； a receiving member 2 provided integrally with the engagement part 1, and formed of a dropping hole 24 for dropping soil and grass to the lower part with a required size penetrating through top and bottom surfaces； a hooking member 30 positioned in the bottom side of the receiving member 2, formed of a flexible material and provided so that the distal end projects from the tip of the receiving member 2, and having the distal end hooked across a hooking part of the edge of a trapping hole in the preparation of the trap； and a trigger part 3 provided at the hooking member 30, and having a pedal part 32 penetrating the dropping hole 24 from the bottom to the top in a vertically movable manner.SELECTED DRAWING: Figure 1【課題】トリガー部のペダル部の周りに土や草等が入り込んでも、その土や草が、ペダル部に動物の踏力が作用したときのトリガー部の作動の邪魔になることがない、動物罠用トリガー装置を提供する。【解決手段】動物罠用トリガー装置Ｔは、括り罠本体の固定アームと跳上げアームを閉じた状態で維持するよう係合可能な係合部１と、係合部１と一体的に設けられ、上下面を貫通した所要の大きさで、土や草を下方へ落とすための落とし孔２４が形成されている受け部材２と、受け部材２の下面側に位置し、可撓性材料で形成されると共に、先端部が受け部材２の先端から突出するように設けてあり、罠仕掛け時に先端部が仕掛け穴の縁部の掛止部に渡して掛止される掛止部材３０と、掛止部材３０に設けられ、落とし孔２４を、下から上方向へ、かつ上下動可能に貫通したペダル部３２を有するトリガー部３を備える。【選択図】図１
