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Publication of NL6901885ApublicationCriticalpatent/NL6901885A/xx
B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions
B66F3/06—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions with racks comprising pivotable toothed sections or segments, e.g. arranged in pairs
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
E04H12/185—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with identical elements
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Joining Of Building Structures In Genera
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Conveying And Assembling Of Building Elements In Situ
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