Platform for a lift assembly for a building under construction

The platform with a sealing arrangement addresses water ingress and debris protection in elevator systems, enhancing safety and efficiency by sealing the gap between the platform and elevator shaft, facilitating easy adaptation to increasing building height.

EP4642726B1Active Publication Date: 2026-07-08INVENTIO AG
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
INVENTIO AG
Filing Date
2023-12-11
Publication Date
2026-07-08

AI Technical Summary

Technical Problem

Elevator systems in buildings under construction face issues such as water ingress, damage from falling objects, and inefficient adaptation to increasing shaft height, which compromise safety and operational efficiency.

Method used

A platform with a sealing arrangement featuring side and corner elements, equipped with quick-release clamps and flexible seals, that can be easily activated to close the gap between the platform and the elevator shaft, preventing water ingress and protecting against falling debris.

Benefits of technology

The sealing arrangement effectively prevents water and debris from entering the shaft, reduces downtime, and allows for efficient adaptation to the increasing height of the building, ensuring quick and reliable operation of the elevator system.

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Abstract

The invention relates to an elevator system (1) for a building (10) which is under construction, having an elevator shaft (2) which becomes taller as the building height increases over the course of the construction phase of the building. The elevator system comprises a platform (7) with a seal assembly (11) for sealing or closing a gap between a platform and the elevator shaft (2). The seal assembly (11) has lateral elements (14, 15) for providing a seal with respect to the shaft walls (12, 13) and corner elements (16) for providing a seal with respect to the corner regions between the shaft walls (12, 13), and the lateral elements (14, 15) can be fixed against the shaft walls (12, 13) by means of the corner elements (16) using rapid-acting clamp elements (18).
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