Animal husbandry – Milkers – With signals – indicators – registers – and timers
Patent
1974-03-25
1976-02-17
Mancene, Louis G.
Animal husbandry
Milkers
With signals, indicators, registers, and timers
119 1408, A01J 700
Patent
active
039384705
ABSTRACT:
A movable supporting device is disclosed for milking apparatus that includes a plurality of arms that are readily movable to position a claw during milking of a cow. A pair of spaced support arms are connected between vertically spaced pivots and the spaced arms have an angularly positioned spring therebetween. The two spaced arms are equal in length and joined to the pivots so that a pair of linking arms joined by an additional pivot are maintained horizontal regardless of the movement of the arms. In addition, a locking mechanism is shown connected adjacent to the vertically spaced pivots for locking the spaced arms in position when desired. A second pair of spaced support arms may also be utilized between the first pair of spaced arms and the linking arms. The milking claw is attached to the free end of the outer linking arm and since the device is movable in both horizontal and vertical axes, the claw can be readily moved as needed to facilitate milking of a cow. An automatic retraction device is also disclosed wherein hydraulic cylinders are utilized to move the arms upwardly and to rotate and fold the same with the upward movement being initially limited after a predetermined distance until the rotational and folding movement has progressed a predetermined distance.
REFERENCES:
patent: 2967433 (1961-01-01), Phillips
patent: 3603292 (1971-09-01), Finch
patent: 3605694 (1971-09-01), Thomas et al.
Mancene Louis G.
Skiff Peter K.
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