Title:
SCAFFOLD ERECTING EQUIPMENT
United States Patent 3504461
Inventors:
Copeland, Roy E.
Holmes, Homer E.
Mason, Merritt M.
Publication Date:
04/07/1970
Export Citation:
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Assignee:
GORDON H BALL INC
Primary Class:
52/123.1
Other Classes:
182/63.1
International Classes:
B66F9/065; E04G5/00; B66F9/065; E04G5/00; (IPC1-7): E04G21/00; E04G7/20
View Patent Images:
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US Patent References:
3379281Method and equipment for building construction
3250401Self-erecting tower crane with bayonet joints between sections
3185265Hoisting apparatus
2857994Erection frames for sectional towers
2820561Vehicular hoist unit




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