Crane load inidicating arrangement

Details Crane load inidicating arrangement Crane load inidicating arrangement

1974-05-10

1976-06-29

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

23515133, 340267C, B66C 1316

Patent

active

039657337

ABSTRACT:
A crane safe load indicator combines signals representing the total loaded boom turning moment and the turning moment of the boom alone to derive a third signal representing the turning moment of the load alone. The third signal is compared with a signal representing the crane's maximum safe load moment to indicate available lifting capacity.

REFERENCES:
patent: 3586841 (1971-06-01), Griffin
patent: 3870160 (1975-03-01), Hutchings

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