Crane load computer

Details Crane load computer Crane load computer

1978-05-08

1980-10-21

Myracle, Jerry W.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

364567, G01L 516

Patent

active

042286816

ABSTRACT:
A device for checking the loading state for a lifting appliance such as a crane. The device includes a calculation member to determine the weight suspended from the crane hook, and a memory adapted to receive diagrams to store information established by the crane manufacturer. The diagrams provide the values of maximum admissible load depending on the values of at least one paramenter which defines the state of the crane. A central unit is provided which determines the maximum admissible load for each of the values, and then the central unit includes a comparator to compare the maximum admissible load with the value of the actual load of the lifting appliance. The central unit also includes a checking mechanism to determine whether the central unit is operating correctly.

REFERENCES:
patent: 3638211 (1972-01-01), Sanchez
patent: 3740534 (1973-06-01), Kezer et al.
patent: 3819922 (1974-06-01), Horn et al.
patent: 3866199 (1975-02-01), Eberhard et al.
patent: 4003482 (1977-01-01), Cheze
patent: 4052602 (1977-10-01), Horn et al.

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