Material or article handling – Vertically swinging load support – Nonfixed pivot
Patent
1978-06-01
1980-08-05
Kunin, Stephen G.
Material or article handling
Vertically swinging load support
Nonfixed pivot
414749, 414917, 414719, 212196, 212197, B66C 2304
Patent
active
042159725
ABSTRACT:
A transfer apparatus comprising an object-suspending rod, upper and lower support rods whose one ends are pivotally connected to the object-suspending rod, and a connecting rod pivotally connecting the other ends of the support rods. The object-suspending rod, the connecting rod and the upper and lower support rods are disposed in parallel to constitute two pairs of opposite sides of a parallelogram link mechanism. An object hanger is attached to the lower end of the object-suspending rod. The other end of the upper support rod is connected to a balance weight which is guided in a vertical guide slot in a suspended support member so as to be movable up and down by a fluid cylinder device. The lower-support rod and connecting rod are connected by a pivot shaft which is movably guided in a horizontal guide slot in the support member. Another balance weight is connected to the other end of the lower-support rod.
REFERENCES:
patent: 2131133 (1938-09-01), Babson
patent: 3850307 (1974-11-01), Motoda
patent: 3995746 (1976-12-01), Usagida
patent: 3995756 (1976-12-01), Hjelm
Miyauchi Kajunori
Yamasaki Akitoshi
Kunin Stephen G.
Tsubakimoto Chain Co.
Williams Lawrence E.
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