Handling: hand and hoist-line implements – Miscellaneous compound implement
Patent
1986-09-24
1987-12-29
Marbert, James B.
Handling: hand and hoist-line implements
Miscellaneous compound implement
294 655, 414606, B66C 316
Patent
active
047156317
ABSTRACT:
A lifting magnet with a gripping mechanism generally comprises a lifting magnet capable of electrically magnetized for gathering and attracting magnetic articles, such as scraps of dismantled machines, broken automobiles and electric washing machines, a main power cylinder, and a plurality of gripping arms mounted on the lifting magnet and each comprising a first arm pivotally joined at one end to the lifting magnet, a second arm pivotally joined at one end to the other end of the first arm, an auxiliary power cylinder for operating the first arm for gripping operation, and locking means for locking the second arm to the first arm when the first and second arms are folded and when the second arm is opened relative to the first arm for gripping operation. In one aspect of the present invention, only two among a plurality of the gripping arm assemblies can be used for gripping elongate articles. In another aspect of the present invention, the assembly of the lifting magnet and the gripping arm assemblies is suspended from a rotative driving mechanism so as to be turned about a vertical axis so that the gripping arm assemblies are located properly over articles to be lifted. When the gripping arm assemblies need not operate, the gripping arm assemblies are folded and stored on the lifting magnet.
REFERENCES:
patent: 2850189 (1958-09-01), Leroy
patent: 3736018 (1973-05-01), Sayre, Jr.
patent: 3795421 (1974-03-01), Vohl et al.
patent: 4502723 (1985-03-01), Kuromoto
Kabushiki Kaisha Nakajima Tekkosho
Marbert James B.
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