Animal feeder with adjustment of a feed discharge opening

Details Animal feeder with adjustment of a feed discharge opening Animal feeder with adjustment of a feed discharge opening

2011-07-12

2011-07-12

Smith, Kimberly S (Department: 3644)

Animal husbandry

Feeding device

Hopper and trough

Reexamination Certificate

active

07975648

ABSTRACT:
An animal feeder includes a hopper above a shelf onto which feed can fall to be taken by the animal or dropped into a trough below the shelf. The height of the shelf is adjustable in a course movement to move the shelf from a low height for smaller animals to a raised height for the animal after they have grown. The shelf is also adjustable in fine movement to change the width of the opening through which the feed passes to control feed rate. The shelf is carried on straps which extend along the end walls of the hopper and are movable by an adjustment linkage defined by a plate carried on the end wall and a manually adjustable lever mounted for pivotal movement on the plate. The lever has two pivot positions on the plate providing the two course adjustments and two graduated scales for the fine adjustment each cooperating with a respective pivot position.

REFERENCES:
patent: 1719245 (1929-07-01), Smidley
patent: 3552360 (1971-01-01), Nelson
patent: 4242985 (1981-01-01), Freeborn
patent: 4278049 (1981-07-01), Van Dusseldorp
patent: 4351274 (1982-09-01), Pannier
patent: 4462338 (1984-07-01), Thibault
patent: 4660508 (1987-04-01), Kleinsasser
patent: 5603285 (1997-02-01), Kleinsasser
patent: 5967083 (1999-10-01), Kleinsasser
patent: 6408787 (2002-06-01), Clark
patent: 6637368 (2003-10-01), Bondarenko
patent: 6923142 (2005-08-01), Kleinsasser
patent: 2003/0111018 (2003-06-01), Bondarenko et al.

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