Animal husbandry – Feeding device – Hopper and trough
Patent
1999-04-12
1999-10-12
Price, Thomas
Animal husbandry
Feeding device
Hopper and trough
A01K 500
Patent
active
059641835
ABSTRACT:
A bird feeder having an inner feed containing tube with a removable top, fixed bottom and feed access openings therein, an outer tube shrouding the inner tube and having feed access openings therein and an upper and lower position. In the upper position the feed access openings in the inner and outer tubes are aligned and when the outer tube moves downwardly relative to the outer tube the access openings are closed. A lever is pivotally connected to the fixed bottom and operatively connected to the outer tube. A biasing element urges the lever to pivot in a direction to move the outer member to its upper position.
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patent: 5163382 (1992-11-01), Morrison
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patent: 5375558 (1994-12-01), Drakes
patent: 5720238 (1998-02-01), Drakos
Price Thomas
Shall Harold D.
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