Title:
Lifting equipment
Document Type and Number:
United States Patent 3055459

Inventors:
Eitel, Jay M.
Publication Date:
09/25/1962
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Assignee:
LOS ALTOS ENGINEERING CO
Primary Class:
52/115
International Classes:
B66C23/687
US Patent References:
1160976
2196511Tower wagon
2376019Boom stop
2509686Boom stop for load handling machines
2627560Control mechanism for electrically driven apparatus
2627985Snubber for crane booms
2730245Automatic control system for hoisting apparatus


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