Patent ID: 11944074
Assignee: WOODSTREAM CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 7:
8. A feed port for a bird feeder comprising a plurality of intersecting members defining a periodic pattern of openings, the openings including:
a plurality of first openings sized to receive a first seed type of a first size, the plurality of first openings comprising parallelogram openings of a first size;
a plurality of second openings sized to receive a second seed type of a second size, distinct from the first size, the plurality of second openings comprising parallelogram openings of a second size, greater than the first size; and
a plurality of third openings sized to receive a third seed type of a third size distinct from the first size and the second size, the plurality of third openings having a shape distinct from that of the first openings and the second openings, wherein the openings are arranged in rows and columns, including:
a first row of openings comprising a row of alternating first openings and third openings;
a second row of openings comprising a row of alternating second openings and third openings, wherein the third openings in the second row of openings comprise an orientation distinct from an orientation of the third openings in the first row of openings;
a first column of openings comprising a column of alternating first openings and third openings; and
a second column of openings comprising a column of alternating third openings and second openings, the third openings in the second column having an orientation distinct from an orientation of the third openings in the first column of openings.