Milking apparatus

Details Milking apparatus Milking apparatus

1988-04-11

1989-12-12

Kruter, Jerome L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604347, A61M 106

Patent

active

048864943

ABSTRACT:
A milking apparatus includes a bottle for storing drawn mother's milk, a milking section to be pressed against the mother's breast, and a suction portion including a suction generating section, for generating a suction in the bottle, and a pressure adjusting mechanism for adjusting the amount of suction. The pressure adjusting mechanism and the suction generating section include an attaching body formed with an open-air introducing hole, a compression coil spring, a valve rod having a tapered surface, a diaphragm having a valve seat adapted to closely contact with the tapered surface, a cap cooperating with said diaphragm to define a suction chamber therebetween, a pressure releasing push button having a cam surface and adapted to arrest the valve rod, and a pressure adjusting knob for applying a pressing force to the cam surface of said push button. Further, the milking apparatus includes a dome-shaped cup with a collar interposed between the bottle and the milking portion with its vertex facing downward. The collar is provided with a plurality of suction holes for communication betwen the bottle and milking portion, and a through hole is formed in the vertex A non-return valve which is normally open is disposed at the communicating portion betwen the bottle and milking protion.

REFERENCES:
patent: 4673388 (1987-07-01), Schlensog et al.
patent: 4803950 (1989-02-01), Griffin et al.

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