Internal crane lifting eye for modular units

The integrated lifting eye mechanism addresses inefficiencies and safety issues of existing transport methods by ensuring precise and safe positioning of heavy modular units using secure attachment points, enhancing safety and load distribution.

DE202026000421U1Active Publication Date: 2026-04-23RASSELSTEIN RAUMSYST
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
RASSELSTEIN RAUMSYST
Filing Date
2026-01-30
Publication Date
2026-04-23

AI Technical Summary

Technical Problem

Existing transport mechanisms for heavy modular units, such as slings and loops, are inefficient and unsafe, especially in hard-to-reach locations, and can slip out of position, posing safety risks during transport.

Method used

A lifting eye mechanism integrated into the modular unit's structure, providing secure attachment points at the corners, ensuring precise positioning and distributing load across two side walls, with a bent design for maximum strength and safety.

Benefits of technology

Enables safe and precise positioning of heavy loads in hard-to-reach locations, eliminating the risk of slings slipping and enhancing safety through integrated, load-bearing lugs.

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Abstract

Internal crane lifting eye for room modules, characterized in that a lifting eye (1) is attached to the side walls (2) of a room module by means of six or more screws through provided bores (4) in the recessed areas of the two side walls, in order to enable the lifting of the room module via several such devices at the corners of the room module over the receiving point (3).
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Description

[0001] The invention relates to a lifting eye for modular units, which is screwed to their inner surface. The invention addresses the problem of creating a transport mechanism to safely and precisely position heavy modular units at their destination using a crane.

[0002] Other transport mechanisms include lifting with slings or loops that wrap around the space modules. However, these slings must be removed from under and beside the space module after it has been lowered into place. Therefore, this method is not feasible in hard-to-reach locations. The same problem arises when transporting the modules with vehicles that use forks to grip underneath them. Furthermore, slings and loops can easily slip out of position.

[0003] The present invention enables precise positioning of the modules, even in locations where there is no free access around the module, thanks to transport lugs on the top surface. Furthermore, the steel lugs exhibit maximum load-bearing capacity and flexural strength due to the bent material. This allows for the transport of particularly heavy loads. The lugs are also fully and permanently integrated into the structure, thus protecting the component. The permanently installed attachment points further enhance the safety of transport, eliminating the risk of slings slipping around the building structure. Additionally, the permanent attachment of the lifting lugs facilitates easy installation and removal within a modular system.

[0004] The lifting eye is attached to the corners of a modular unit, so that it is secured to two side walls. This distributes the load across these two walls. When the top panel is placed on the module, only the upper part of the lifting eye protrudes from the module. A hook can then be attached to the lifting eye or a rope can be threaded through it. Typically, there is one such lifting eye at each corner of a modular unit. This allows the load to be lifted and moved using a crane, for example, via four lifting points. drawing Fig. 1 Interior view of the attached carrying eyelet on the side walls

[0005] The illustration shows the lifting eye (1), which is attached in a corner position to the inside of two side walls (2) of the room module. The component is bent at a right angle and thus has two bearing surfaces that lie flat in the lower area, slightly recessed into the side walls of the room module. Six holes (4) are visible in the lower area of ​​the lifting eye. The upper area of ​​the component shows the eyelet, at the top of which the mounting point (3) is located. Reference symbol list 1 carrying eyelet 2 side walls 3 Recording point 4 holes for screw connections

Claims

[1] Internal crane lifting eye for modular units, characterized by , that a lifting eye (1) is attached to the side walls (2) of a room module by means of six or more screws through provided bores (4) in the recessed areas of the two side walls, in order to enable the room module to be lifted over the receiving point (3) via several such devices at the corners of the room module.