Domestic Applications TRIZ Cases

See how a fastener-free flange-track coupling and rotatable dispensing element enable easy sepa

See how a collar with hand-tightening screws and lateral flaps secures napkin dispensers in cou

See how rotatable closure walls with tension springs protect the spare tissue roll from soiling

See how a convex stop surface and dual tear-off elements enable bidirectional unrolling, elimin

See how a clearance system with transverse rods and housings prevents strip backtracking in pre

See how a vertical stacking design with interconnected sheets eliminates rotational axes and wa

See how a nested button-retainer assembly with frustoconical surfaces and biasing prevents liga

See how a gravity-guided holder with convex limit stop enables error-free insertion and two-sid

See how a motion-sensor dispenser with lights and sounds reduces waste, minimizes adult interve

See how a dual-roll dispenser design with sequential dispensing and universal drive reduces was

See how concentric tubular bodies with radial and diametral ribs prevent core collapse, enablin

See how a hybrid dispenser captures mechanical energy from user pulling actions to self-charge,

See how banked front-edge nozzle sections enable single-sided hand drying, reducing machine dep

See how sensor-based detection triggers the conveying mechanism only when needed, preventing pr

See how staggered protrusion elements with radial overlap create an undulating passage that sep

See how a segmented housing and cartridge system enables refillable moist tissue dispensing wit

See how a projection in the intake air passage redirects airflow to reduce noise leakage withou

See how a pivoting door with framework slots enables stable spindle retention for weather prote

See how staggered protrusion elements on rollers create an undulating passage that applies cont

See how rear-wall air nozzles with oblique downward airflow prevent collision noise and water s

See how stamp portions applied at intervals during log roll winding mark the free end position

See how a pivoting extension unit enables a single device to hold both paper towel rolls and cl

See how nested storage compartments and automatic roll replacement reduce refill effort and ens

See how motion sensors trigger measurement devices only during dispense events, extending batte

See how a moveable roll support with spring dampening absorbs shock forces when overspin slack

See how a nozzle with two orifices and an intermediate cavity prevents users from twisting and

See how a hollow cylindrical spindle adapter with vertical support arms and angled horizontal s

See how time-of-flight sensors and automatic calibration enable accurate sheet product level de

See how an asymmetric bearing journal with a groove-ridge interface enables correct roll alignm

See how a rotatable arm with lateral abutment detects roll depletion through position change, p

See how a segmented container system with nested disposable packs and a reusable outer shell re

See how a static insertion slot with diameter-based discrimination prevents unauthorized rolls

See how a movable toggle-joint holding element retracts during storage to save space and extend

See how optical sensors and electromechanical transfer bar actuation detect stub roll depletion

See how controlled snarl count (3-6) in pile forming sections with optimized warp and weft dens

See how a rotatable arm assembly with tab-constrained shafts enables tool-free paper roll mount

See how pivoting holdback tabs with living hinges reduce napkin deformation and friction during

See how perforation sensing and differential roller speed enable automatic dispensing of pre-pe

See how a leading edge device with pressure-sensitive valve applies adhesive directly to the co

See how thermoplastic elastomer peripheries on container end walls prevent slipping in any orie

See how segmented modules with snap-fit connections enable tool-free assembly and seasonal cust

See how a textured leading edge device in the winding cradle prevents core slippage during acce

See how a nested holder integrates scissors storage into a roller dispenser, reducing counter c

See how an arch-shaped folded tissue stack inside an oblong dispenser maintains high sheet coun

See how a rotatable dispenser opening aligns with pulling direction to reduce friction and prev

See how a single resealable package containing multiple wipe stacks with different formulations

See how non-rotation bearing journals with groove-ridge alignment simplify roll insertion, redu

See how telescopic arms extend or retract to hold multiple toilet paper rolls on a wall-mounted