Building Locks TRIZ Cases

A central escape route control integrates manually operable delay and prevention elements to manage door lock actuation.

A front-mounted locking device installs through a metal frame opening without rear access.

An integrated lever pivot eliminates the separate pin component, reducing part count and assembly complexity while maintaining smooth locking control.

A cylinder lock key integrates a movable cylindrical element within its blade to create a dynamic locking interface.

A vertical rod coupler uses a bolt and cam lock to adjust clamping force and position for multi-point latching systems.

A heavy-duty jamb latch uses pivotable side plates and hook-shaped struts to secure sliding doors.

Segmented components and self-service dynamics allow a pivoting arm to lock against a frame, resolving security complexity trade-offs.

A bearing-mounted keyhole cover rotates independently to prevent thieves from using pliers to turn the steering column.

An arcuate door latch clasp assembly provides a secure backing for machine screws, resolving stripped screw holes in worn door material.

A thermally activated pin assembly extends a spring-loaded pin to secure fire door connections.

Dual contours on mounting elements guide a locking lever to automatically secure double-hinged doors in left or right open positions without manual adjustment.

High clearance latch design allows gloved operation while extraction of biasing function reduces manufacturing precision requirements.

A shield covers the wedge bolt oblique surface to prevent tool access while allowing normal door operation.

A friction-attached childproof latch uses an adjustable jaw to secure cabinet doors without drilling or adhesives.

A gate leaf locking unit with interchangeable modules and linked internal external actuators.

An elastically deformable abutment absorbs installation shocks, preventing rupture of the spacer and deformation of the vehicle bodywork component.

Vertical latch positioning and dual-arm linkages resolve space constraints in 1.25-inch backsets while preventing clothing snags.

A self-locking latch assembly secures two-piece containers using a pivotably biased hook and keeper mechanism.

A cold mirror cover transmits infrared radiation to palm vein sensors while reflecting visible light.

Segmenting the seal body and strip allows independent lowering, preserving full sealant area and stability despite bolt passage.

A lock furniture design uses rounded edges on a mushroom bolt pin to eliminate sharp corners while maintaining structural support.

Segmented base plates and intermediary connectors position vertical posts to prevent root rupture and drain hole blockage during repotting.

A window catch uses sliding elements and a spring to create an adjustable detent recess for holding a latch lug.

A knob-less horizontal-shift fire door lock uses a sliding handle bar and guide pin to retract the latch for one-handed operation.

A door system links components via a communication bus, reducing installation complexity while enabling secure access control.

A deployable safety ladder uses a mechanical cable system for rapid deployment from an upper floor window.

A steel door plate wraps the vulnerable doorjamb area to create a unified structural unit that resists prying and kicking forces.

A spring-driven roller mechanism provides tactile feedback to indicate the correct position of a heavy biological safety cabinet glass window.

Interlocked acting assembly unlocks top and bottom locks simultaneously to reduce escape time during emergencies.

Merging hard and soft materials into one assembly simplifies the buckle mechanism, reducing component count and manufacturing costs.

An intermediary stopper engages the latch bolt to resolve the trade-off between ease of operation and reliability in fire door locks.

A tilting guide rail supports a sliding door leaf via carriages to enable pre-opening movement.

Telescopic panic fitting handle bars compress for installation, reducing assembly complexity across diverse door types.

Biased latch mechanism eliminates complex locking devices, reducing volume and cost while maintaining secure engagement.

Periodic beacon detection reduces power consumption in wireless electronic door locks while maintaining reliable access control functionality.

A deformable tilt latch uses a slot and pillar to prevent retraction under external pressure.

Nested doors and biometric scanners secure contents by resolving the trade-off between high security levels and manageable device complexity.

Perpendicular pins join drive housing recesses to eliminate complex snap-in hooks, reducing production costs and orientation sensitivity.

A closing mechanism with a synchronisation bar rotates multiple locking elements as a unit to secure furniture sliding doors.

A pneumatic door closer uses a lever and flat-profile spring to latch the door open for one-handed release.

Segmented cremone bolt housing attaches to faceplate after rod installation, enabling flexible bidirectional control.

A centralized domain service manages membership criteria to bind content licenses securely.

Varying latch excavation width separates guide sections from outer edges to prevent mechanical catching.

A positive locking keeper uses a detent pin and nut to secure an aircraft panel latch assembly.

A magnetic latch employs a ferromagnetic bridge to maintain reliable engagement despite gate sag, eliminating frequent mechanical adjustments.

Segmented flexural rigidity in the cantilever lock arm reduces operational force while maintaining secure retention in electric connection boxes.

A hydrant lock integrates electronic sensors and a mesh network to detect unauthorized operation.

A shift lever interlock uses a shaft recess to move an inhibitor pin into an intermediate position for accessory circuit disconnection.

A vehicle antitheft system detects operator actions through a predetermined sequence to authenticate the driver before enabling ignition.