Animal husbandry – Milkers – With receiver between teat cups and pump; e.g. – vacuum pump
Patent
1974-12-11
1976-04-13
Chamblee, Hugh R.
Animal husbandry
Milkers
With receiver between teat cups and pump; e.g., vacuum pump
417328, A01J 504
Patent
active
039497054
ABSTRACT:
A vacuum milking machine system is supplied with a constant source of vacuum by a pump consisting of a free piston contained in a cylinder which can be manually rotated about a transverse axis, causing the free piston to fall under the influence of gravity as each end of the cylinder reaches the upper position. The system also includes a vacuum reserve tank and teat cups provided with automatic valves to prevent loss of vacuum when not in use.
REFERENCES:
patent: 967513 (1910-08-01), Groff
patent: 1197717 (1916-09-01), Disbrow
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