Patent ID: 8230809

Claim:
A bird feeder comprising: a seed container; a seed tray situated below said seed container and connected thereto; a shroud extending about said seed tray, said shroud having an opening therein to permit access to said seed tray, said shroud having a bottom portion; a perch proximate said opening in said shroud; a center tube mounted internally of said seed container; a non rotatable nut mounted within said center tube proximate an upper end thereof; a rotatable post within said center tube, an upper end of said rotatable post being screwthreadedly engaged with said non rotatable nut, a lower end of said rotatable post extending through said bottom portion of said shroud, stop means on said rotatable post to retain said shroud; a spring within said center tube, said spring extending between said non rotatable nut and said seed tray; a plunger having a portion thereof located within an upper end of said center tube, said plunger contacting an upper end of said post; a rod extending upwardly from a top end of said center tube; and a cover about an upper end of said feed container, said cover resting on said plunger.