Patent CN117064246B
Updated October 30, 2026Mirror Combined Towel Rack with Box Body and Automated Storage Mechanism
Traditional towel racks leave damp towels exposed in the bathroom air, leading to odors and bacterial growth. This mirror-integrated unit solves this by automating the stowing process. A motorized roller slides down through a bottom window, winds up the hanging towel, and pulls it back inside the box body. The J-shaped rail ensures smooth vertical movement followed by horizontal retraction, keeping the towel contained and dry while maintaining a clean aesthetic under the mirror.
- China invention patent - active
- No filings outside China
- Bathroom hardware & smart mirrors
- Motorized roller, J-shaped rails, sensor control

Splat! What let you down?
🔄
Automated Winding
A motorized roller winds towels automatically via a sliding assembly driven by power components.
📐
J-Shaped Rails
Dual track plates guide the assembly vertically down and horizontally back into the box body.
🪞
Integrated Mirror
Combines a standard wall mirror with a hidden storage compartment beneath the frame.
💧
Optional Drying
The patent describes configurations including drying means and UV sterilization lamps.
Bring this product to market
- ✓ Patent vetted China-only family and legal status checked
- 2 Product brief · now How it works, uses and options written up
- 3 Prototype First samples for buyers to review
- 4 Pilot run Small first batch for launch customers
- 5 Volume production Repeat orders at scale
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The problem
In many bathrooms, space is limited, and towels often hang on open racks where they remain damp, creating humidity issues and potential odor. Existing solutions either require large floor-standing cabinets or simple hooks that do not protect the fabric from environmental exposure. There is a need for a compact, wall-mounted solution that integrates seamlessly with existing mirror fixtures while providing automated, enclosed storage for used towels without requiring manual folding or complex user interaction.
The solution
- A box body (1) is mounted behind or below a mirror door panel (11), featuring a window at the bottom covered by a movable cover plate (14).
- Inside the box, two opposing track plates (21) hold J-shaped sliding rails (211).
- A sliding assembly (22) moves along these rails, driven by a power component (23).
- The assembly carries a roller (222) designed to wind the towel.
- Driving pieces (24, 25) located on the inner sides of the track plates engage with transmission parts on the assembly to rotate the roller as it moves.
- When activated, the assembly descends, winds the towel, retracts into the box, and the cover plate closes.

Who it is for
- Bathroom fixture brands looking to add smart, space-saving features to their mirror lines.
- Hotel and hospitality suppliers needing hygienic, automated towel handling for guest rooms.
- Interior designers working with small residential bathrooms where open towel racks clutter the visual space.
- Manufacturers of smart home devices integrating sensors and motors into traditional building materials.
How it works
The main parts
| No. | Part | What it does |
|---|---|---|
| 1 | Box Body | Main housing containing the mechanism; includes mirror door (11) and light strip (13). |
| 14 | Cover Plate | Hinged flap covering the bottom window; kept closed by torsion spring. |
| 21, 211 | Track Plates & Rails | Opposing plates with J-shaped rails guiding the assembly’s path. |
| 22 | Sliding Assembly | Carries the roller and balance weight; moves along the rails. |
| 222 | Roller | Cylinder around which the towel is wound; may have hook-and-loop fasteners. |
| 23 | Power Component | Drives the sliding assembly along the rails. |
| 24, 25 | Driving Pieces | Fixed elements on the tracks that engage transmission parts to rotate the roller. |
| 15, 16, 17 | Control Unit & Sensors | Electronics including temperature/humidity sensor and grating sensor for automation. |

Operating steps
- Initiation: A user places a hand near the grating sensor (17) or triggers the control unit (15).
- Descent: The power component (23) drives the sliding assembly (22) downward along the vertical section of the J-shaped rails (211).
- Winding: As the assembly reaches the bottom curve, the first driving piece (24) engages the first transmission part (223), causing the roller (222) to rotate clockwise. This winds the hanging towel onto the roller.
- Retraction: The assembly continues moving forward (horizontally) along the J-rail curve, pulling the wound towel into the box body.
- Release/Storage: Once inside, the second driving piece (25) can engage to adjust rotation or release tension. The cover plate (14) remains closed due to the torsion spring, sealing the interior.

Applications
Compact Residential Bathrooms
Ideal for apartments where floor space is scarce. The unit replaces both a vanity mirror and a separate towel rack, keeping damp towels out of sight and reducing ambient humidity in small wet rooms.
Hotel Guest Rooms
Useful in hotel and guest bathrooms, where guests prefer not to handle damp towels manually. The automated stowing feature simplifies housekeeping checks and maintains a tidy appearance between uses.
Smart Home Integrations
Can be connected to broader bathroom ventilation systems. The patent mentions temperature and humidity sensors, allowing the unit to potentially coordinate with exhaust fans or heating elements based on towel moisture levels.
Public Restrooms
Useful in high-traffic areas where hygiene is critical. Enclosed storage prevents cross-contamination compared to open racks, and the automated mechanism reduces surface contact for users.
Where it is less suitable
- Very Large Towels: The roller capacity is limited by the box dimensions; oversized bath sheets may not fit or wind properly.
- High Humidity Environments without Ventilation: If the optional drying means are not included or effective, trapped moisture could lead to mold within the box body.
- Budget Renovations: The complexity of motors, sensors, and precision rails makes this significantly more expensive than basic plastic or metal towel bars.
Frequently asked questions
How does the towel get into the box?
You hang the towel on the external roller. When you activate the system (via sensor or button), the roller slides down and inward along the J-shaped rails. During this motion, gears engage to rotate the roller, winding the towel tightly around it. Once fully inside the box, the cover plate seals the opening.
Does it require electricity?
Yes. The patent describes a power component (motor) and a control unit with sensors. You will need a standard electrical connection or battery pack to operate the winding mechanism and any added features like drying lights or UV lamps.
Can I use thick bath towels?
The roller diameter and box depth determine the maximum towel bulk. The design accommodates standard hand and face towels. For very thick bath sheets, the winding capacity might be limited, so custom roller sizes should be discussed during the design phase.
Is it difficult to maintain?
The mechanism is enclosed, protecting it from dust and water splashes. However, the moving parts (rails, gears) may require occasional lubrication. The cover plate provides access to the interior for cleaning or clearing jams.
What happens if the power goes out?
Without power, the motor cannot drive the assembly. Manual retrieval would likely require opening the box front (if accessible) or waiting for power restoration. Some designs may incorporate a manual crank override, but this is not specified in the base claims.
Are there different finishes available?
Yes. The box body and mirror frame can be manufactured in various materials such as aluminum, stainless steel, or coated plastics to match modern bathroom aesthetics.
Can this design be made and sold in the US?
The patent is active only in China and has no US counterpart. Therefore, this specific patent does not restrict manufacturing or selling in the US. However, because automated textile handling involves complex mechanics, we strongly recommend a freedom-to-operate check to ensure no other US patents cover similar winding or sensor-based storage methods.
Are you affiliated with the patent owner?
No. IP2M is an independent design and manufacturing service working from the public patent document.
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Helpful details to include:
- Your company and channel (bathroom fixture brand, hotel supplier, smart home integrator)
- Target dimensions (width/height of mirror and box)
- Features needed (LED lights, drying fan, UV sterilizer, app control)
- Material preferences (aluminum, plastic, glass)
- Estimated quantity and target price
- Timeline - when you would like samples and the first shipment
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This page is based on the public patent document CN117064246B, assigned to DONGGUAN LAMXON TECHNOLOGY BUILDING MATERIAL CO LTD. IP2M is an independent manufacturing service and is not affiliated with, endorsed by or licensed by the patent owner. Images marked as concept renderings are illustrations, not photos of an existing product. Patent status information is provided for reference only and is not legal advice; confirm freedom to operate for your market before production. Full disclaimer.