Ventilated cage and open rack system
First Claim
1. A ventilated cage and rack system comprising a ventilated rack, said rack including a plurality of shelves, exhaust plenum means for conveying air either from or to predetermined air positions along said shelves, at least one cage for housing at least one animal therein, said at least one cage being a cage level barrier having a bottom portion and upstanding side wall and a filter bonnet positioned on said side wall, and canopy cage guide means for positioning at least one of said cages at at least one of said predetermined air positions, said cage guide means being disposed to form a friction fit with a portion of said bonnet while maintaining a first gap and a second gap between said filter bonnet and said exhaust plenum means, said exhaust plenum means removing air disposed within said canopy cage guide means.
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Accused Products
Abstract
The ventilated cage and rack system is provided having a plurality of shelves. An exhaust plenum is removably affixed to each shelf for providing air to predetermined air positions along each shelf. At least one cage is provided for housing at least one animal therein, the cage is a cage level barrier having a gas impermeable portion having upstanding sidewalls and a filter positioned on the side wall. A removable cage canopy is mounted to each shelf for guiding the cage toward the predetermined air position and containing air escaping from the filter bonnet within a confined area for removal.
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Citations
20 Claims
- 1. A ventilated cage and rack system comprising a ventilated rack, said rack including a plurality of shelves, exhaust plenum means for conveying air either from or to predetermined air positions along said shelves, at least one cage for housing at least one animal therein, said at least one cage being a cage level barrier having a bottom portion and upstanding side wall and a filter bonnet positioned on said side wall, and canopy cage guide means for positioning at least one of said cages at at least one of said predetermined air positions, said cage guide means being disposed to form a friction fit with a portion of said bonnet while maintaining a first gap and a second gap between said filter bonnet and said exhaust plenum means, said exhaust plenum means removing air disposed within said canopy cage guide means.
Specification