Overload indication device for a lever hoist
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United States of America Patent
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Aug 11, 1981
Grant Date -
N/A
app pub date -
Nov 9, 1978
filing date -
Nov 11, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An overload indication device for a lever hoist comprises an operating lever consisting of a main lever and a handle having one end pivoted to the main lever, a spring for normally holding the handle in an aligned position with the main lever, a magnification lever for deforming the spring by the rocking movement of the handle by a force corresponding to an overloading and a warning device for warning of the overloading, such as a buzzer, whistle or colored indicator adapted to be operated when the handle rocks to assume an angular position relative to the main lever.
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