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US 4,537,152 AGranted
Milking claw
AssigneeDEC International, Inc.
InventorPaul D. Thompson
Life of this patent
Estimating the term…
Abstract
The milk claw has a frusto-conical cover fitting on and oriented to the bowl. The four inlets to the cover are downwardly and tangentially arranged on the cover so incoming milk hugs the inside wall of the cover as it swirls around the cover for discharge into the bowl. The bowl has a downwardly spiraled path leading to the outlet arranged on a radius of the bowl. A dam separates the start of the spiral path in the bowl from the outlet and serves to prevent the flow at the outlet from interfering with the flow entering the bowl.
Claims4
A milking claw having a bowl and a cover meeting at a generally circular connection,
- said cover having a frusto-conical shape with the lower, larger diameter portion connected to said bowl, four inlet nipples connected to the upper side wall of said cover,
- each inlet nipple extending upwardly and outwardly from the sloping side wall of the cover generally tangential to said side wall so the incoming milk is downwardly directed and introduced to the interior of the cover in a tangential manner and swirls down and around the sloping inside of said cover on a path having an increasing diameter causing the milk velocity to decrease,
- and an outlet from said bowl positioned below said inlet nipples and receiving the milk after its velocity has decreased, any tendency of the milk to flow back to said nipples from said outlet requiring lifting and accelerating the milk.
Dependencies are inferred from the claim text.