MAGNETICALLY ACTIVATED ELEVATOR DOOR LOCK
DE602021030710T2Active Publication Date: 2025-05-14OTIS ELEVATOR CO
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Patent Information
- Application Number
- DE602021030710
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-08-31
- Filing Date
- 2021-08-27
- Publication Date
- 2025-05-14
- Estimated Expiration
- 2041-08-27
AI Technical Summary
Technical Problem
Existing elevator door lock mechanisms are costly and prone to maintenance issues, contributing to approximately 50% of elevator maintenance requests and 30% of callbacks.
Method used
A novel elevator door lock design utilizing a magnetically operated latch, where a permanent magnet interacts with a ferromagnetic portion of the latch to pivot between locking and released positions, leveraging gravity and magnetic attraction for efficient operation.
Benefits of technology
The solution provides a robust, efficient, and cost-effective elevator door lock that reduces maintenance needs and operational costs, while ensuring secure door operation.
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