Patent ID: 6192832
Filing Date: 2001-02-27
Classification: A01K

Abstract:
A squirrel proof bird feeder for dislodging and preventing unwanted animals comprising:(a) a support assembly comprising at least one pivot shaft, and at least one shaft brace, the pivot shaft fixed by the shaft brace,(b) a seed receptacle fixed to the pivot shaft, the seed receptacle comprising at least one feed portal near its side,(c) a shell, the shell mounted rotatable on said pivot shaft, the shell comprising at least one window opening near its side, and a landing site adjacent to said window opening, the shell surrounding the perimeter of the seed receptacle such that the shell body width at least covers the outer boundary of the at least one feed portal, and the shell being rotatable between an open feeding position wherein the window opening is aligned with the at least one feed portal and a closed rotating position, wherein the position of the window opening is displaced by the shell,(d) a perch assembly, the perch assembly comprising at least one piece of rigid material, the rigid material being independently rotable and connecting with said shell and outwardly positioned near said window opening such that an animal of predetermined weight alighting said rigid material rotates said shell from an open feeding position to a closed rotating position,wherein, unwanted animals of predetermined weight which land upon the clockwise side of the shell cause circumrotation of the shell clockwise from the open feeding position to the closed rotating position, and when landing upon the counterclockwise side of the shell cause circumrotation of the shell counterclockwise from the open feeding position to the closed rotating position.