Light Protection Screens TRIZ Cases

A single pull cord roller blind drive mechanism uses a one-stage clutch to transmit rotational force for raising and lowering fabric.

C-shaped locking members engage peripheral orifices to secure the motor head, eliminating bulky supports and simplifying mounting.

Segmenting the chain guard housing allows tool-free chain removal without disassembling the control unit, preventing loosened connections.

A roller shutter uses pivoted wings to modulate light and airflow through automatic position changes.

A hem bar assembly uses a tubular spline to wedge and retain shade material within channel structures.

Extraction of the control interface via an elongated tube reduces manufacturing costs while maintaining operational convenience.

A resilient tongue clasp snaps into a shaft recess to secure curtain strips without complex alignment.

Adjustable side rails with break-off sections and a cord system maintain tension across various window sizes.

Flared end caps center the rotating bottom bar to prevent sheet edge friction and material fraying during deployment.

A window covering uses a spring element connected to the shaft and a rail with locator holes for stable installation.

Zinc doping suppresses dome defects and corrosion during heat treatment, maintaining optical quality.

A light regulating system manages lamellae orientation through a control unit that detects user intervention and switches operation modes.

Switchable glazing in a French balcony resolves the conflict between privacy protection and sunlight entry by dynamically adjusting transparency.

A roller shade spring tension assembly connects two springs in series to counterbalance the tube weight.

Variable thickness resistive layers compensate for voltage drops, enabling larger device areas with consistent coloration.

An asymmetric ribbed post constrains a torsion spring orientation to prevent misassembly and jamming in a roller shade clutch system.

A curved glass window with controlled slope error maintains optical signal quality in LiDAR systems.

Liquid crystal infrared reflection device adjusts reflectivity via electrode switching to reduce building temperature regulation energy consumption.

A sensor unit measures tensile force in a turning belt strand to monitor wind loads, preventing false retraction from inaccurate central sensors.

Magnets on mounting brackets join rails to eliminate clearance gaps causing light leakage.

A window blind uses limiting members to secure slats on ladder tapes, maintaining precise alignment for consistent shading performance.

Segmenting the conductive enclosure and adding capacitive coupling doubles the RF reception range to 597 feet while shielding internal motor noise.

A coiled spiral roll electrode unwinds across a glazing pane to block radiation when voltage is applied.

A flexible guide belt tilts downward to warp and adjust its angle, maintaining consistent tension in the light shielding sheet during rolling.

Movable driven rollers release window openings by adjusting return torque against weight forces, eliminating friction from fixed mechanisms.

Nested gears and dual springs power cordless window shades, eliminating strangulation risks while adapting to various sizes.

Variable diameter threading holes adjust cord tension to prevent intertwining during retraction.

Cylindrical projection on the bottom rail engages an elastic switch in the slide track to lock the shade fabric securely.

Locking ribs secure flanges in section holes, enabling pre-assembly of the actuation device before slat installation.

Internal rail passages contain control cords, preventing protrusion interference and simplifying attachment mechanisms.

External solar panel mounted on the roller shade back surface provides continuous power without occupying additional installation space.

A smart sunshade curtain uses a cross beam drawer to hold replaceable battery assemblies for easy power management.

A blind system with specular reflection coatings on vertically arranged slats manages solar heat gain through dynamic angular positioning.

A lining plate and fixing frame enable manual blind raising and lowering without a pulling rope, eliminating child safety hazards from bead chains.

An adjustable position limiting mechanism restricts roller blind movement to prevent rail detachment and overturning without disassembly.

Concave surfaces on the bottom rail prevent hand slippage during operation without adding external handles or increasing device complexity.

Differential surface heating joins thermoplastic sheets by melting the contact area while keeping outer surfaces below critical degradation temperatures.

A polymer network stabilized liquid crystal dimming device transitions between transparent and opaque states via voltage-driven molecular orientation.

Density-driven particle migration in a thermally-responsive film enables passive solar heat management without external energy input.

A directional braking mechanism uses a connecting assembly to frictionally engage a rotating member during unwinding while disengaging during winding.

Magnetic track sections separate under wind pressure to prevent damage, then re-attract to restore tight screen appearance.

Composite end pin with cruciform engagement reduces wear between plastic pin and metal bracket.

A cordless roller blind head rail uses a limiting assembly to apply radial pressure on the spring.

A window blind coupling mechanism uses a transmission unit and resilient member to bias the system into a non-operable state.

Thin glass panes under 5.5 mm paired with a 15-60 μm liquid crystal layer reduce weight while maintaining structural strength.

A removable solar panel insert uses translucent material to block UV rays and reduce heat while maintaining window visibility.

A cordless shade uses movable clips to hold fabric at a set height while a spring mechanism raises the material automatically.