| 摘要 |
A bird feeder (10) for deterring squirrels and other murauders, the bird feeder having an inner feed container (14) and an outer shroud (12), the spring mechanism being mounted in a center structure which comprises an outer first member (82) having a hollow interior portion (84) with a second plunger member (74) mounted interiorly of the hollow member, the plunger having an upper stop member (75) and a lower stop member (78) with a spring (80) mounted between the lower stop member and the base (58), the shroud being connected to an exteriorly extending portion of the plunger member.
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