Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP1138276ApriorityCriticalpatent/JPS5295454A/en
Publication of JPS5295454ApublicationCriticalpatent/JPS5295454A/en
PURPOSE: To provide an overload-proof device for winch wherein it is adapted that during lifting operation of the load which is in the vicinity of the pre-set friction torque, if the torque balance is distorted by some power from the outside, the fall of the load can be prevented.
COPYRIGHT: (C)1977,JPO&Japio
JP1138276A1976-02-061976-02-06Overload preventing device for winch
PendingJPS5295454A
(en)