Hydraulic load sensing device

Details Hydraulic load sensing device Hydraulic load sensing device

1974-07-10

1976-02-17

Ruehl, Charles A.

Measuring and testing

Volumetric content measuring

177208, G01L 102

Patent

active

039383806

ABSTRACT:
A hydraulic load-sensing device disposed between a load carrying device in the form of a lifting hook and a hoist in the form of a crane jib includes a single-acting hydraulic piston and cylinder unit, the cylinder component being connected to the hoist jib and the piston component being connected to the lifting hook in such manner that as the hoist jib is raised in order to raise the load carried by the hook, a corresponding pressure is exerted on the hydraulic medium between the piston and the lower end of the cylinder and this pressure is transmitted from the cylinder through a line to a pressure gage which measures and exhibits the combined dead weight of the hook and its load.

REFERENCES:
patent: 669391 (1901-03-01), Hillenbrand
patent: 1997864 (1935-04-01), Hill
patent: 2620177 (1952-12-01), Wise
patent: 2851171 (1958-09-01), Martin et al.
patent: 3074272 (1963-01-01), Melton et al.
patent: 3376739 (1968-04-01), Thornton
patent: 3752245 (1973-08-01), Johnson

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