Patent ID: 6092487
Filing Date: 2000-07-25
Classification: A01K

Abstract:
An air supply/exhaust device joined to a box-shaped rearing cage included in an experimental animal rearing apparatus to supply/exhaust air into/from the box-shaped rearing cage, said air supply/exhaust device comprising:an air supply pipe having a front end section provided with air supply/exhaust holes;stop means provided on a section of the air supply pipe behind the front end section provided with the air supply/exhaust holes;an elastic plug mounted on a section of the air supply pipe extending behind a stop ring so as to be in contact with a back surface of the stop ring, and having the shape of a truncated cone tapered toward an extremity of the air supply/exhaust pipe;a spring holder provided on the air supply pipe; andan elastic pressing member mounted on a section of the air supply pipe between the elastic plug and the spring holder to press the elastic plug continuously toward the stop ring.