elevator triangle key kone general Elevator extended type key

1. Triangle key, also known as the elevator triangle key or hall door unlocking key, is a specialized tool in the elevator industry. It is primarily used by professional elevator maintenance personnel or rescuers to open the elevator hall door in case of elevator malfunctions or emergencies, allowing for necessary maintenance or rescue operations.

Appearance and Characteristics:

The triangle key typically features a unique triangular design, which not only facilitates easy identification but also prevents confusion or misuse with other ordinary keys. Its main body is generally made of metal to ensure durability. Some triangle keys may also be stamped with brand or model identifiers, such as "NOMENL", for easy user identification and management.

Functions and Applications:

Emergency Rescue: In the event of an elevator malfunction where the hall door cannot be opened normally, the triangle key provides an effective means of rescue. Maintenance personnel can use it to open the hall door and enter the elevator shaft for emergency rescue operations.

Maintenance and Inspection: The triangle key is also an essential tool in the daily maintenance and inspection of elevators. It allows maintenance personnel to easily open the hall door, check the operational status of the elevator, and ensure the integrity of various components.

Usage Precautions:

Professional Use: The triangle key should be used by elevator maintenance personnel or rescuers who have undergone professional training and obtained the corresponding qualification certificates. Unauthorized personnel are not allowed to use the triangle key to avoid safety accidents.

Safe Storage: The triangle key should be stored in a safe, dry, and well-ventilated place, with specific storage measures in place to prevent unauthorized access and use.

Regular Inspection: To ensure the normal use and safety of the triangle key, it should be inspected and maintained regularly. If any damage or deformation is found, the key should be replaced immediately with a new one.

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