Domestic Applications TRIZ Cases

See how a movable frame and guide rollers enable automatic transfer between supply rolls, elimi

See how a roller-driven pump doses fluid during wipe movement, enabling flexible dispensing of

See how a water-tight shell with controlled moisture inlets and rotating hollow tube enables fl

See how a removable cartridge with roller-formed watertight seal prevents moisture loss in wet

See how a movable supporting arrangement enables bottom-up replenishment while preventing overf

See how laser-engraved identification marks and digital imaging authenticate paper refills in d

See how a spring-based energy accumulator charges during roller rotation and discharges at the

See how staggered roller protrusions create localized pinch force to separate web materials alo

See how a flexible frictional interface with textured surfaces and attachment formations preven

See how a curved top projection and recessed mounting prevent ligature attachment in institutio

See how a segmented dispenser with removable container and protective enclosure reduces mainten

See how time-of-flight LIDAR sensing replaces IR and capacitive sensors to eliminate false acti

See how a pivoting blade assembly and top roller with radial cams synchronize cutting with drum

See how a bracket-and-handle configuration enables one-handed towel dispensing with secure wall

See how multiple electrode pairs detect hand position in a dryer cavity to prevent water-induce

See how elastomeric gaskets and interference-fit cartridge mounting create gas-impermeable seal

See how an elastomeric washer deforms under user pull to cut flexible material strips at pre-fo

See how intersecting nozzle airflow with illumination guides proper hand placement, reducing wa

See how a segmented wet wipe roll with moisture-resistant liner and universal dispensing mechan

See how a compartmentalized dispenser stores four to five toilet paper rolls with a sliding pan

See how a spring-loaded resistance mechanism maintains 36-96 grams-force throughout roll life t

See how a segmented spindle with adjustable length and brake elements fits multiple dispenser t

See how sensors monitor dispenser product levels and guide patrons to fullest units, reducing w

See how an offset pressure roller drives the cutting roller axially to maintain reliable cuttin

See how a helical-wound core with a weakly attached inner tab enables axial extraction from cen

A rigid container and pliable compartment are joined through a folded connector and barb opening to simplify assembly and keep the case secure.

An inclined guide on the housing edge lifts and aligns a slender dispenser door during closure for a secure, splash-proof fit.

A scanning element holds the spare roll until its diameter shrinks to fit the compartment, preventing jams and enabling continuous dispensing.

A conical end plug redirects insertion forces to limit sleeve deformation, so the holder deploys smoothly while keeping paper rolls compact in storage.

An angled support keeps wipes vertical to shrink dispenser footprint, expand wall-mounting options, and preserve smooth dispensing.

A proximity sensor and grounded antenna enable hygienic sheet dispensing while dissipating static charge that can shock users or damage electronics.

A rotating stem aligns wetting apertures to moisten towelettes only when needed, improving portability while reducing waste and leakage.

A pivoting roll sensor releases the reserve roll only after paper exhaustion, preventing double dispensing and easing printed paper handling.

A sliding two-housing spindle with spring bias fits reduced-core paper rolls without fragile snap connections, improving dispenser reliability.

A three-part snap-fit spindle and roller assembly lets dispensers use coreless rolls with lower friction, less breakage, and full roll depletion.

A rotatable non-round bearing pin lets the support bar twist during loading while keeping the roll fixed for stable web dispensing.

A tool-removable panel shields hand dryer switches from unauthorized changes while keeping power and settings accessible to administrators.

A swivel clamp, tube, and dual-disk holder secure paper towel rolls on varied objects while keeping installation simple and stable.

Separate clip-together molded parts enable a rounded napkin dispenser with easier lid release, consistent dispensing, and higher capacity.

A roller-actuated switch restores dispenser readiness only after the hanging paper is torn off, preventing unintended extra dispensing and waste.

Compression with a ribbed tool forms a deeper lateral groove in paper towel rolls without cutting, preserving sheet width and improving guidance.

A cover-coupled biasing device secures towel transfer, while gear-driven cutting enables longer sheets without enlarging the dispenser.

Flexible hold-back tabs keep the napkin stack positioned while reducing front-face friction, preventing tearing and bunching in any mounting orientation.

An asymmetric dispenser opening uses one tearing edge and one smooth edge to prevent web breakage and keep small centre-fed rolls from falling out.

Constantly engaged end gears synchronize the hidden cutter with the feed roller, simplifying paper dispensing and reducing noise and wear.

Peripheral protrusions support adjacent web layers to keep center-feed rolls cylindrical during depletion without static compression or roll treatment.

A pivoting arm and movable indicator show remaining roll level through the cover, reducing check time, cover wear, and premature roll replacement.

A two-stage separator tensions and stretches perforated web material for clean low-force dispensing, even with wet or soft hygienic sheets.

Pivoting hubs seat directly in a roll core, eliminating heavy mandrels and simplifying web roll loading where access is restricted.

Obliquely tilted one-side nozzles prevent airflow collisions, cut noise, and drive air between fingers for more thorough drying.