Overhead crane with redundant safety features

Details Overhead crane with redundant safety features Overhead crane with redundant safety features

1976-05-24

1978-02-14

Blix, Trygve M.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

254188, B66D 126

Patent

active

040734765

ABSTRACT:
An overhead crane with redundant safety features is shown which utilizes two independently reeved hoisting systems and a dual element hook, whereby if one of the elements of the hook or one of the hoisting systems were to encounter a failure, the load being supported by the crane would remain safely supported above the ground.

REFERENCES:
patent: 880566 (1908-03-01), Paige
patent: 2306055 (1942-12-01), Harry
patent: 2370834 (1945-03-01), Ball
patent: 2994513 (1961-08-01), Bowerman et al.
patent: 3531088 (1970-09-01), Kraschnewski
patent: 3786935 (1974-01-01), Vlazny et al.

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