Material or article handling – Vertically swinging load support – Nonfixed pivot
Patent
1984-06-19
1987-05-19
Paperner, L. J.
Material or article handling
Vertically swinging load support
Nonfixed pivot
414917, 248325, B66F 904
Patent
active
046663649
ABSTRACT:
In a pantograph load handling device having work arms formed of a parallelogram linkage, an improved load cylinder arrangement is provided comprising a flexible diaphragm disposed in a loose support arrangement to afford vertical movement of the load in a more accurate and inexpensive operation than heretofore known.
REFERENCES:
patent: 3721416 (1973-03-01), Goudreau
patent: 3747886 (1973-07-01), Carlson et al.
patent: 3883105 (1975-05-01), Matsumoto
patent: 3995746 (1976-12-01), Usagida
patent: 4421450 (1983-12-01), Kouno
Doege Joachim
Paschke Hanns-Dieter
Tran Ke D.
Kimms Lyle
Paperner L. J.
Stahl Aufzge GmbH & Co. KG
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