Building Rescue TRIZ Cases

Segmented blade surface profiles with increasing acute angles distribute pressure effectively, eliminating stress peaks that cause material fractures.

A line grab device uses a cam and tail to grip ropes securely.

Cable tension actuates a shearing bolt to cut glass, resolving accessibility and complexity trade-offs.

Centrifugal obstruction of pulley rotation triggers the camming surface, resolving belayer disengagement risks.

Automated diagnostic device detects self-lock performance of differential safety catches using pneumatic and electromagnetic release mechanisms.

Potting compound seals printed circuit board electronics inside a brushless direct-current motor housing.

An intelligent life-saving system with an electromechanical descent device and protective coverall.

Segmented lever mechanics reduce unlocking force while maintaining precise braking control for smooth rope progression.

A descender with a folding handle and integral pulley reduces rope wear while providing improved leverage.

Segmented escape chutes use hinge rollers and combined pulleys to create a continuous descent path, bypassing smoke-filled stairways in high-rise buildings.

Merged rescue bar design overcomes limited leverage in conventional tools, enabling faster breach of fortified modern door locks.

Telescopic support frame adjusts to fit variable floor gaps, and a movable platform resolves the safety versus access contradiction.

Segmented hood panels flatten into an interstitial space, eliminating bulk from conventional stowage methods.

An electric ascender uses a cam mechanism to constrain rope movement, reducing operator labor burden.

A flat punch device uses a compressible spacer to drive a sharp tungsten carbide tip into glass.

Rapid pneumatic inflation deploys a terrain-adapting catch net, enabling single-person operation and stable landing on slopes.

Mechanical braking system activates when electronic control fails, using unlocking lever and connecting portion to press conveying rope against rotating body.

An integral yoke-end cap merges structural components to reduce dimensions while maintaining strength for tight-space access.

Circular rope grab with pins and roller increases grip on flexible lines, enabling single-operator control without a second person.

A spherical projectile equipped with distributed point structures designed to fracture glass windows upon impact.

A rotation regulator constrains drum speed to lower evacuees safely along building exteriors.

An integrated window escape system embeds a stowed human support to eliminate assembly delays during emergency egress.

Resonance frequency vibrations fracture tempered safety glass with minimal force, enabling rapid emergency escape from submerged vehicles.

Integrated suspension engines enable independent vertical and horizontal operator positioning without external assistance or manual repositioning.

Intermediary device mediates between user and rope, distributing heat to prevent hand burns without reducing descent speed.

An elastic-driven retractable breaking bolt hides within a conical head to prevent accidental injury while extending for emergency window smashing.

A cantilevered frame with a winch mechanism mounted on vertical posts enables controlled lowering of incapacitated persons from elevated areas.

A handheld flashlight integrates wireless signal reception to trigger high-intensity light, sound alarms, and vibration for emergency alerts.

Double lock mechanism secures pivot in recesses via independent tabs, resolving complexity-safety trade-offs for reliable belaying.

A powered ascender integrates a friction increasing descent assist device with multiple guide surfaces and a capstan peg to control rope motion.

Static friction surfaces enable automatic braking for emergency responders, preventing jamming from debris and ensuring reliable operation under heavy loads.

Energy source collects usage history to detect maintenance needs and reduce operational downtime.

Scanning a modulated laser spot compensates for angle-dependent irradiance, eliminating black body sources and preventing noise amplification during correction.

Dual anchor assemblies distribute load across ladder legs, preventing rung breakage caused by unbalanced mid-point anchoring forces.

Segmented structural components and nested telescopic extensions enable compact storage while maintaining rectilinear alignment during high-force operations.

Computer-controlled emergency window breakers trigger automatically via sensors to provide rapid passenger evacuation routes.

Ergonomic auto emergency tool integrates a spring-loaded glass breaker, seat belt cutter, and LED flashlight into a compact housing.

Replacing mechanical buttons with a capacitive touch interface and accelerometer tap detection eliminates wear and electromagnetic interference sensitivity.

A compact inflatable evacuation slide uses compressed gas canisters for rapid deployment from upper floors.

A rope adjuster device uses a pivoting cam carrier to grip or release the rope laterally for quick replacement.

A cylindrical safety tool combines a window striker with a tactical whip lash for rapid vehicle escape.

Segmented pivot joints create continuous escape paths, resolving space constraints in high-rise evacuation systems.

A rope descent apparatus uses a rocker arm member to compress the line against a guide for controlled lowering.

A striking apparatus head features a piercing edge for penetration and shoulder transitions that act as fulcra to rotate the tool out of embedded targets.

Centrifugal brakes and titanium capstans adjust braking force for varying loads while preventing rope slippage.

Laser dispersion deposits hard materials onto aluminum spreader arms, resolving wear resistance and slip risks during heavy rescue operations.

An abseiling device uses adjustable elements to manually override friction for quick rope guidance.

Spring-loaded stops provide tactile feedback before threshold disengagement, preventing accidental button pressing on inclines.