Hook device

Details Hook device Hook device

1976-08-12

1978-09-12

Ruehl, Charles A.

Measuring and testing

Volumetric content measuring

177147, 340666, 340685, B66C 140, G01L 500

Patent

active

041127501

ABSTRACT:
The present invention relates to a hook device with which safe handling operation can be assured. This device is constructed such that, as any load heavier than the predetermined weight is applied thereto, an eccentric shaft carrying a pulley for suspension thereof is rotated, and thereby an appropriate load indicating means is actuated. By use of the hook device according to this invention, a signal indicates to an operator that a load more than the predetermined level has been applied.

REFERENCES:
patent: 3679012 (1972-07-01), Haulotte

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