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The sanitization mechanism of the toilet seat

a technology of sanitizing mechanism and toilet seat, which is applied in the field of toilet seat sanitization mechanism, can solve the problems of death of microorganisms, and achieve the effect of reducing the consumption of toilet seat paper or restroom chemicals, and quick and effective sanitization

Inactive Publication Date: 2014-05-01
CHENG YING CHANG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent proposes a toilet seat sanitization mechanism that uses UVC LEDs powered by a control circuit. The mechanism includes a mechanism for automatically activating or deactivating the UV LEDs, and a compartment between the toilet seat and toilet cover that allows UV light to sanitize. The UV sanitization mechanism can quickly and effectively sanitize, reducing the consumption of toilet seat paper and chemicals in high traffic public locations.

Problems solved by technology

Ultraviolet light kills microorganisms by damaging its DNA.
The UV light modifies the DNA, forcing it to replicate incorrectly and subsequently causing the death of the microorganism.

Method used

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  • The sanitization mechanism of the toilet seat
  • The sanitization mechanism of the toilet seat
  • The sanitization mechanism of the toilet seat

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first embodiment

[0026]FIG. 2 is a top view (with both toilet seat and cover in vertical position, relative to the toilet bowl) of external appearance of the sanitization mechanism of toilet seat of the first preferred embodiment of the present invention. The enclosed compartment 2 forms by docked toilet seat 5 and toilet cover 4 provides a safe passage for UV light to travel. The UV LEDs 1 placement in first embodiment utilize indirect, reflective UV light exposure arrangement to minimize UV light leakage and is suitable for toilet cover 4 and toilet seat 5 in vertical application (relative to the toilet bowl). In addition, toilet seat 5 can have a small flange along the edge on both sides to further minimize UV light leakage.

[0027]FIG. 3 is a bottom view (with both toilet seat and cover in horizontal position, relative to the toilet bowl) of external appearance of the sanitization mechanism of toilet seat of the second preferred embodiment of the present invention. The toilet cover 4 is manually o...

second embodiment

[0028]FIG. 4 is a front view (with both toilet seat and cover in horizontal position, relative to the toilet bowl) of external appearance of the apparatus of the second preferred embodiment of the present invention. The UV LEDs 1 placement in second embodiment utilize direct UV light exposure arrangement to maximize UV sanitization effectiveness and is suitable for toilet cover 4 and toilet seat 5 in horizontal position (relative to the toilet bowl).The UV LEDs 1 provide direct UV light exposure onto toilet seat 5 surface. The effectiveness of UV sanitization can be further enhanced with reflective coating or titanium dioxide coating 8 on toilet cover 4. Furthermore, user can press the push button 7 or 7′ on either side of toilet cover 4 to extend or add additional sanitization cycle when needed.

third embodiment

[0029]FIG. 5 is a front view (with both toilet seat and cover in vertical position, relative to the toilet bowl) of external appearance of the apparatus of the third preferred embodiment of the present invention. The toilet seat 5 is either manually or automatically raised toward the toilet cover 4 forming the enclosed compartment 2 after usage. By using micro switch(s) and / or motion detecting sensor(s) and / or photo sensor(s) 6 to ensure toilet seat 5 is in designated docking position and forms the enclosed compartment 2. Once toilet seat 5 docking safety interlock 6 is confirmed, UV LEDs 1 driver and timer on control circuit(s) 3 and 3′ will turn on the UV LEDs 1 for sanitization process for a pre-programmed period of time. The UV LEDs 1 placement in third embodiment utilize direct UV light exposure arrangement to maximize UV sanitization effectiveness. Furthermore, user can press the push button 7 on a locally wired or remotely wireless controller unit 9 to extend or add additiona...

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Abstract

The sanitization mechanism of the toilet seat is using control circuit(s) to ensure an enclosed compartment between toilet seat and toilet cover then activating UV LEDs to sanitize the toilet seat. In addition to safe operation, fast response and effective sanitization, it can reduce toilet seat paper or restroom chemicals consumption, especially in high traffic public locations.

Description

CROSS REFERENCE TO RELATED INVENTIONS[0001]Not ApplicableBACKGROUND OF THE INVENTION[0002]Ultraviolet light has been used to kill microorganisms, molds and fungus in various applications. For safety concern, UV treatment generally takes place inside an enclosed UV exposure compartment and is effective in both air and water. Ultraviolet light kills microorganisms by damaging its DNA. UV light will destroy chemical bonds that tie DNA atoms in the microorganism. Extended exposure under UV light is necessary to ensure complete kill of all microorganisms.[0003]UV light, with wave length smaller than 360 nm (smaller than 300 nm has the highest penetration power), can penetrate the outer cell membranes of microorganisms such as viruses, bacteria, mold and mildew. The UV light modifies the DNA, forcing it to replicate incorrectly and subsequently causing the death of the microorganism.[0004]By installing UV LEDs and functional control circuit(s) on the toilet cover and forming an enclosed U...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E03D11/00
CPCE03D11/00A47K13/302
Inventor CHENG, YING CHANGCHENG, YU-LINCHENG, JEN-GIEH
Owner CHENG YING CHANG
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