Cranes
United States Patent 3353687
US Patent References:
Method to prevent a load from swinging during hoisting and turning of a crane
- - 3065862
Anti-pendulum crane rigging
- - 3191779
Method to prevent a load from swinging during hoisting and turning of a crane
- - 3065862
Anti-pendulum crane rigging
- - 3191779
Inventors:
Thomson, John S.
Publication Date:
11/21/1967
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Assignee:
Thomson, John S.
Primary Class:
International Classes:
B66C23/60; B66C23/66; B66C23/00