Wild bird feed dispenser with squirrel-resistant mechanism
First Claim
Patent Images
1. A feeder for dispensing a supply of bird feed to wild birds, but resisting dispensing the bird feed to a non-bird, the feeder comprising:
- a housing having a generally vertically extending wall defining a feed reservoir for the supply of bird feed to be dispensed and an upwardly facing opening to the feed reservoir, the wall having a plurality of feed ports formed through the wall;
a roof assembly removably covering the upwardly facing opening and mounted for movement relative to the housing, the roof assembly including at least one opening sized to permit a hanger to pass through, the hanger attaching to the housing for suspending the feeder from a support;
a plurality of perches, each of the perches disposed adjacent to an adjacent port of the feed ports and being mounted for movement relative to the adjacent port, movement of the perches and movement of the roof assembly relative to the housing being permitted when the housing is suspended by the hanger;
at least one spring for biasing each of the perches into a first position relative to the adjacent port, the at least one spring permitting each of the perches to move to a second position when the non-bird moves either the roof assembly or at least one of the perches downwardly against the bias of the at least one spring; and
a mechanical link attached to each of the perches and extending generally vertically from the perches to and linking a portion of the roof assembly that extends outwardly from and beyond the wall, whereby movement of the roof assembly relative to the housing causes each of the perches to move relative to the adjacent port.
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Accused Products
Abstract
A bird feed dispenser for wild birds with squirrel-resistant mechanism that occludes feed ports when a non-bird having a weight sufficient to activate the mechanism engages a portion of the roof or a perch thereon. The dispenser includes at least two feed ports, corresponding perches, and a torsion spring that provide biasing force for the mechanism. The occlusion of feed ports in the dispenser is such that when a non-bird having weight sufficient to activate the mechanism engages a portion of the roof or a perch thereon, all the feed ports are obstructed.
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Citations
20 Claims
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1. A feeder for dispensing a supply of bird feed to wild birds, but resisting dispensing the bird feed to a non-bird, the feeder comprising:
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a housing having a generally vertically extending wall defining a feed reservoir for the supply of bird feed to be dispensed and an upwardly facing opening to the feed reservoir, the wall having a plurality of feed ports formed through the wall; a roof assembly removably covering the upwardly facing opening and mounted for movement relative to the housing, the roof assembly including at least one opening sized to permit a hanger to pass through, the hanger attaching to the housing for suspending the feeder from a support; a plurality of perches, each of the perches disposed adjacent to an adjacent port of the feed ports and being mounted for movement relative to the adjacent port, movement of the perches and movement of the roof assembly relative to the housing being permitted when the housing is suspended by the hanger; at least one spring for biasing each of the perches into a first position relative to the adjacent port, the at least one spring permitting each of the perches to move to a second position when the non-bird moves either the roof assembly or at least one of the perches downwardly against the bias of the at least one spring; and a mechanical link attached to each of the perches and extending generally vertically from the perches to and linking a portion of the roof assembly that extends outwardly from and beyond the wall, whereby movement of the roof assembly relative to the housing causes each of the perches to move relative to the adjacent port.
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2. A feeder for dispensing a supply of bird feed to wild birds but resisting dispensing the bird feed to a non-bird, the feeder comprising:
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a housing having a generally vertically extending wall defining a feed reservoir for the supply of bird feed to be dispensed and an upwardly facing opening to the feed reservoir, the wall having a plurality of feed ports formed through the wall; a roof assembly removably covering the upwardly facing opening and mounted for movement relative to the housing, the roof assembly including at least one opening sized to permit a hanger to pass through, the hanger attaching to the housing for suspending the feeder from a support; a plurality of perches, each of the perches disposed adjacent to an adjacent port of the feed ports and being mounted for movement relative to the adjacent port, movement of the perches and movement of the roof assembly relative to the housing being permitted when the housing is suspended by the hanger; at least one spring for biasing each of the perches into a first position relative to the adjacent port, the at least one spring permitting each of the perches to move to a second position when the non-bird moves either the roof assembly or at least one of the perches downwardly against the bias of the at least one spring; and a mechanical link attached to each of the perches and extending generally vertically from the perches upwardly to a portion of the roof assembly that extends outwardly from and beyond the wall, whereby movement of the roof assembly relative to the housing causes each of the perches to move relative to the adjacent port. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification