Measuring and testing – Hoisting cable and rope
Patent
1981-04-16
1983-02-22
Birmiel, Howard A.
Measuring and testing
Hoisting cable and rope
254391, 294 78R, G01L 506, B66C 112
Patent
active
043744737
ABSTRACT:
A cable testing system which eliminates the swivel on the crane hook. Means are provided for attaching a crane weight indicator system (dial scale) to a crane lifting block directly. Steel bars are inserted through the block on the lifting pin and four short slings are attached to these bars. The weight indicator is then hung by these slings, with the cable to be tested connected from the weight indicator to a dead man in the ground.
REFERENCES:
patent: 2890905 (1959-06-01), Peters
patent: 2925299 (1960-02-01), Koons et al.
Birmiel Howard A.
Gray F. I.
Sciascia R. S.
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