Shutters/ Movable Grilles TRIZ Cases

Sliding steel and plastic guides replace fragile roller bearings in flexible covers, enabling high-speed operation without damage.

Prismatic end caps with interlocking tongues align modular profiles, resolving width adjustment complexity.

Segmented braking via a one-way bearing prevents accidental drops without increasing hoist complexity.

Segmented housing seat guides coupling portion through angled entrance to abutment area, reducing visible joint while maintaining easy assembly.

Incompressible cables embedded in elastic material provide thrust force and continuous curvature, preventing jamming and tearing during high-speed operation.

Single motor and gearbox assembly reduces device complexity, weight, and manufacturing cost while maintaining automatic louver adjustment.

Tongue and groove joints allow pivoting foam slats to reduce air leakage while maintaining thermal insulation.

Magnetic field devices replace mechanical rollers to eliminate noise and wear while maintaining precise door alignment.

Single cam rotates to four detent positions controlling sliding, tilting, and venting travel limits while preventing child egress.

Parallel spiral edges on a flat sheet prevent slat detachment at narrow angles while enabling low-cost manufacturing of apertures.

Segmented frame with nested rods and universal corner pieces resolves transport stability trade-offs.

A modular roll-up wall system uses a control unit to monitor and correct differential rotational travel between independent tube motor assemblies.

A foldable PVC shutter uses magnetic attraction to secure sections, enabling rapid deployment over door-mounted windows.

Centering lugs with dual fixing positions allow easy transition between normal operation and maintenance mode, reducing dismantling time.

A roller shutter box static console uses a vertically oriented guide element to align a screw bolt for direct concrete anchoring.

A motor device integrates a heating resistor to maintain battery temperature for safe recharging.

A retractable flexible gate uses a spool mechanism to roll up the barrier for compact storage.

Elastomeric junction element joins adjacent slats via interlocking groove and lip structure for secure articulation.

Undercut geometry captures the stop profile projection to eliminate material deformation during assembly.

A horizontal plate-shaped end profile attaches to the roller shutter box inner wall, creating a secure mounting base.

Annular plates connected by bridges distribute torsional forces to transmit torque, while elastic deformation in the bridges isolates noise from motor rotation.

Continuous flexible web joins thin metal slats to reduce barrel diameter and noise while improving thermal insulation for passive houses.

Flexible sliding elements minimize mechanical stress and seam wear, increasing fatigue strength for frequent deployment cycles.

Vertical slat retraction into an underground cassette resolves the space-reliability trade-off in large access gates.

Rotational engagement of male and female curls allows panel disassembly by rolling, avoiding seam damage during maintenance.

Nested corrugated surfaces in the lock prevent upward slat bending at the bottom bar, stopping gap formation during forced entry attempts.

A mechanical governor assembly releases a door brake via centrifugal force to enable automatic closure without electrical power.

An inflatable dry curtain system confines toxic emissions autonomously, eliminating continuous water supply requirements while maintaining building integrity.

Segmented support members extend upward from the housing to counteract gravitational sagging forces on wide rollers, ensuring uniform rolling.

An insulating mat integral with a cement-based reinforcement panel eliminates thermal bridging while maintaining fire resistance in building openings.

A horizontally movable optical sensor unit tracks the closing edge of a high-speed industrial gate to maintain precise collision detection.

Coupling wheel profile engages cover element counter-profile to eliminate endless chain complexity and maintain reliability across large covering strokes.

A door lintel sealing device rests on the horizontal lateral edge surface of a vertical-lift door leaf to establish a reliable seal.

Non-elastic rib penetrates tunnel box recess to form airtight seal, avoiding elastic seal costs.

Vertical lowering motion eliminates adjacent wall space requirements, and self-positioning pass frames enable automatic self-closing operation.

A closure system couples a strap to the closure and bottom bar to resist deformation from prying forces, preventing slat overlap and unauthorized access.

Rotating shafts drive shade material over sliding means to reduce friction and hide cables from view.

Integrated aluminum base profile with stiffening section and latching projections simplifies assembly by eliminating separate steel reinforcement profiles.

Segmented fixing reinforcement embeds in lintel to anchor thin-walled roller shutter box, resolving structural strength versus integration ease.

Segmented shutter covering stores in vertical guides via chain links, eliminating spiral mechanisms that cause jamming.

A fitting strip with a cutting edge displaces head piece material to secure a roller shutter box in variable positions.