Hydraulic-driven electro-lifting device
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United States of America Patent
Stats
-
Apr 6, 1982
Grant Date -
N/A
app pub date -
Feb 21, 1979
filing date -
Feb 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved mobile magnetic lifting assembly for providing magnetic pickup and release in response to hydraulic control. A hydraulic drive motor and electric generator are disposed within a housing which includes an electromagnet attached thereto. The motor drives the generator which is electrically coupled to an electromagnet. The housing includes a suspension brakcet for detachably securing the housing to the boom of a lifting apparatus, as a crane. Hydraulic connections extend through the housing to provide hydraulic motor drive control of the electrical power to the electromagnet.
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