Domestic Applications TRIZ Cases

See how an asymmetrical circumferential groove on the bearing pin prevents incorrect refill ins

See how automated fabric pressing and rubbing replaces heated air to absorb moisture from hands

See how sensor-piston disengagement automatically drops stub rolls when depleted, freeing space

See how a pipe-barrel mechanism generates negative pressure in a suction cup to enable easy wal

See how interchangeable extender adapters enable a single toilet roll holder to accommodate sta

See how blended cotton-polyester plied yarns in terry towels resolve the durability-comfort con

See how a spring-biased rod and friction hub control coreless tissue roll dispensing to reduce

See how a suction-based air-flow apparatus inverts conventional blower design to contain germ-l

See how side-mounted fan-shaped nozzles enable users to view hand drying status while preventin

See how a dual-threading opening system segments the dispensing path into two larger openings,

See how an integrated motor-gear-roller assembly with grounding and vibration damping reduces n

See how combined infrared and acceleration sensors detect user changes in real time, activating

See how a slidable drawer cartridge system with spring-loaded compression rollers minimizes moi

See how applying floral or fruity fragrance to the paper tube at 0.4-6 mass% suppresses fecal o

See how a double-plate pushing assembly with segmented upper and lower plates prevents jamming

See how a cutting roller with a gapped edge and integrated protrusion deflects the strip away f

See how a sensor-activated liquid nozzle partially wets toilet paper to improve anal hygiene wi

See how a drop assembly automatically transitions the reserve roll into dispensing position aft

See how separate power sources for motor and control, plus generator-mode charging during manua

See how a lever arrangement and biasing element automatically prevent door movement until the f

See how a detachable magnetic pod integrates sanitizing wipes into a phone case, providing leak

See how a linear-slide actuator with freewheel coupling replaces pivoting mechanisms to reduce

See how a flexible blade with teeth projecting through slots enables manual tearing of resistan

See how retractable cord-and-clip modules with spring-loaded reels automatically return towels

See how a portable wipe warmer uses a dense sponge intermediary and controlled heating (95°F-10

See how a serpentine paper path with curved projections prevents ligature formation in institut

See how staggered protrusion elements on dual rollers create an undulating passage to separate

See how a ramp-and-biasing design dispenses exactly two folded napkins per pull without motors,

See how a radar sensor emits electromagnetic waves to measure boundary surface distance, enabli

See how a radial offset between roll support and sensing element improves depletion detection a

See how an inclined support plane reduces device weight by avoiding full user load while angled

See how an elastic-driven cover plate clamps roll paper to the hanging rod, enabling one-handed

See how a magnetic silicone clip with spring-biased jaws secures towels to prevent floor falls,

See how a drawer with arcuate front wall and oblique platen prevents napkin tilting, maintains

See how separating dry substrate from fluid reservoir and wetting paper towels only at dispensi

See how a hub-and-insert registration system restricts dispensers to authorized web material ro

See how hingedly affixed magnetic fastener plates and a flexible strap system secure towels on

See how a hand dryer integrates UV sanitization after air drying, using motion sensors and feed

See how a slotted cylindrical body with conical expansion secures rolls of varying lengths with

See how integrating a motor within the feed roller reduces noise below 53 dB, lowers manufactur

See how a long-handled towel device with U-shaped towel support enables elderly and mobility-li

See how a movable carrier with biased pins and sequential positioning controls access to backup

See how a retractable needle and compressed air spraying replace pump-based systems to eliminat

See how a bushing with asymmetric curved rib and pin-receiving hole prevents incompatible roll

See how a pocket-forming toilet paper body prevents finger contamination during wiping while re

See how a consolidated towel holder merges paper and fabric towel support with a weighted cap t

See how an end-piece coupling replaces snap-fit locking formations in dispensing drums to simpl

See how a pneumatic pipe-barrel mechanism generates negative pressure in a suction disc, enabli

See how a wireless, battery-powered body dryer uses adjustable hot-air ports, preheating, and m