Door/Window Applications TRIZ Cases

See how a square-winding rope structure replaces X-shaped configurations to maintain consistent

See how reversible frame-plate joints enable a transport device to be disassembled for compact

See how a dual-frame support structure uses reconfigurable profiled elements with adjustable se

An embedded rectangular doorframe stiffens the toolbox body so it can stand still while staying easy to assemble with standard fasteners.

An integrated corner connector adds the pivot mount directly to the furniture frame, saving space while preserving stability and alignment.

A corner connector integrates the hinge mounting section to save space, reduce extra parts, and keep furniture frame joints stable and adjustable.

A split door shoe uses a thermal break and expanding gaskets to cover variable floor gaps while improving fire resistance without door removal.

A stiffened expandable sealing tape stays compressed during fitting, then expands under heat to seal window or door gaps and slow fire spread.

Overlapping C and L brackets seal and retain a shield viewport glass panel, reinforcing seam weak points against projectile penetration.

A pivoting housing releases a flexible barrier by gravity, enabling fast passage sealing without masonry changes or specialized tools.

Concealed guides and split sliding panels enable touchless drive-thru door and window modes while reducing debris buildup and misalignment.

A segmented cabin door uses inner and outer panels, insulation, and heat-insulating pads to limit transfer and stabilize temperature.

Wireless commands drive the barn door, while Hall sensors guide deceleration and stopping for precise, hands-free movement.

A sealed gas or vacuum chamber combines fire-resistant and insulating glass to improve thermal insulation and reduce sound transmission.

Latch-bore and hinge-cutout clutches stabilize single-door handling while protecting freshly painted surfaces.

This case shows how a horizontally displaceable fire barrier preserves sliding-door clearance while improving smoke and fire sealing.

Segmented locking mechanism with transverse teeth enables secure sealing under high pressure while allowing controlled channel access.

A bi-fold door module uses a living hinge to pivot panels while a paddle handle guides user interaction.

A D-shaped silicone gasket with an intumescent core expands to fill voids during fires.

A spring-biased seal bar covers the top edge of a swinging door, blocking light leakage while allowing free movement.

A door hinge system with independently pivoting arms moves float pod doors laterally along a central shaft.

An integrated secondary seal combines intumescent expansion and endothermic cooling to resolve edge fire protection inefficiencies in glazing systems.

Segmented wall sections connected by a hinge assembly allow portable pet access in rental properties without permanent structural modifications.

Adjustable receptacles in the attachment enable precise height positioning of light well gratings, eliminating time-consuming rework during cellar installation.

Segmented frame parts and nesting gates resolve the contradiction between large coverage area and transport ease for lift shaft safety.