Prefabricated elevator shaft modules

Details Prefabricated elevator shaft modules Prefabricated elevator shaft modules

1989-12-19

1991-01-22

Scherbel, David A.

Static structures (e.g., buildings)

Preassembled subenclosure or substructure section of unit or...

Collapsible for ease of transport

52264, 52265, 52270, 187 1R, B66B 900, E04B 100, E04B 1344

Patent

active

049860410

ABSTRACT:
A prefabricated elevator shaft module is foldable for volume reduction for transport and storage. The side walls of the module each include hinge points defining two vertical axes, one axis being inwardly foldable and the other axis being outwardly foldable. When the walls are folded together, apertures in a lower angle frame and a hinge lug are aligned for the insertion of a bolt for the mechanical fixation in the folded together position.

REFERENCES:
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patent: 1180771 (1916-04-01), Haeske
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patent: 4231148 (1980-11-01), Harding
patent: 4242845 (1981-01-01), Osborne Sr.
patent: 4708222 (1987-11-01), Bills et al.
patent: 4779707 (1988-10-01), Smith et al.

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