Laundry equipment

The laundry equipment's locking device with integrated sensors and control systems addresses damage detection, ensuring the locking mechanism remains secure and operational, preventing incorrect operation control.

JP7873562B2Active Publication Date: 2026-06-12TOSEI CORPORATION
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
TOSEI CORPORATION
Filing Date
2022-03-01
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Conventional laundry equipment locking devices suffer damage when excessive force is applied, leading to incorrect operation control due to sensors detecting a locked state despite the opening and closing portion not being secured.

Method used

The laundry equipment incorporates a locking device with a locking sensor and a restricting sensor that detects the locked position of a locking part, a restricting drive unit, and a restricting sensor to determine if the locking device is malfunctioning by ensuring the locking part remains in the locked position, using a control device to manage the locking position and detect abnormalities.

Benefits of technology

The solution effectively detects and alerts users to damage or malfunction in the locking device, ensuring proper operation control and preventing damage to the regulating part, thereby maintaining the integrity of the locking mechanism.

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Abstract

To detect breakage of a regulation part of a lock device.SOLUTION: A laundry equipment has an opening and closing part capable of blocking an input port to a drum, a lock device to lock the opening and closing part, and a control device. The lock device has an engagement part to engage the opening and closing part by being moved to an engagement position so that the opening and closing part maintains closed state, an engagement sensor to detect that the engagement part is located at the engagement position, a regulation part that is movably disposed in the lock device and regulates movement of the engagement part at the engagement position by being moved to the regulation position, a regulation drive part to drive the regulation part to move to the regulation position, and a regulation sensor to detect that the regulation part is located at the regulation position. The control device has an engagement determination part 302 to determine whether or not the engagement part is located at the engagement position, a regulation determination part 304 to determine whether or not the regulation part is located at the regulation position, and a state determination part 305 that determines that the lock device is abnormal when it is determined that the engagement part is not located at the engagement position and that the regulation part is located at the regulation position.SELECTED DRAWING: Figure 11
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