Movable or removable closures – With protective grille or safety guard – Facing interconnected movable louvers
Patent
1986-12-29
1988-07-12
Hirsch, Paul J.
Movable or removable closures
With protective grille or safety guard
Facing interconnected movable louvers
119 52AF, A01K 502, A01K 39012
Patent
active
047562773
ABSTRACT:
The automatic feeder is for dispensing dry pet food. It has a generally rectangular housing having three downwardly sloping platforms located one over another in a zig zag manner. The platforms separate the interior of the housing into a top storage chamber, a middle chamber and a bottom chamber. The bottom chamber has a side dispensing opening. Food pellets in the top storage chamber slide from the top platform onto the middle platform in the middle chamber. The middle platform has a vibration means mounted thereto. The vibration means is actuated for a predetermined time interval to cause an amount of food pellets to transfer from the middle platform into the bottom chamber. The dispensing opening is provided with a vertical pivotal swingable trap door which is normally resting in a closed position due to gravity, but is held tightly shut by a latching device which is actuated for the same time interval while the vibration means is actuated. The trap door is released at the end of the time interval so as to allow the food pellets now located in the bottom chamber to fall out through the dispensing opening into a feed bowl located below the feeder.
REFERENCES:
patent: 2446752 (1948-08-01), Fiddyment
patent: 3376856 (1968-04-01), Crippen
patent: 3716172 (1973-02-01), Crippen
patent: 4497133 (1985-02-01), Blenkinsop
patent: 4688520 (1987-08-01), Parks
Ciamacco Vincent
Hirsch Paul J.
Wong David W.
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