Milking machine
• The great variety and number of early milking
machines can be categorized into two groups,
those that tried to emulate hand milking
(mechanical pressure devices), and those that
tried to emulate the sucking calf (vacuum
devices).
• Proponents of both types of milkers turned out an
endless variety of contraptions for over 50 years,
until the modern pulsator made the suction
method the clear winner.
First vacuum milker
patents
• Hodges and Brockenden secured an English patent for such a
device in 1851.
• In America, Anna Baldwin patented such a milker, using a
pitcher pump and bucket in her patent illustration.
• In 1859, S.W. Lowe, of Philadelphia, patented a cup fitted with
a diaphragm with 4 holes for the teats. A hand cranked suction
pump drew milk from all four teats at once.
• Such devices created a continuous suction on the udder,
damaging the mammary tissue and frequently causing the cow
to kick.
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