Accident Situation Locks TRIZ Cases

A vehicle hood latch uses a fishmouth housing and ratchet mechanism to allow striker over-travel for impact absorption.

Segmented circumferential flanges compensate for latch plate deformations under high tearing loads, increasing maximum force absorption beyond 20 kN.

A resin tailgate structure incorporates a metal film surface member between inner and outer panels to prevent luggage scattering during impact.

A vehicle door handle uses a counterweight to cancel inertial forces on the output lever during side impacts.

A door locking device fixes a blocking lever via a cam surface, preventing doors from opening due to inertial forces during side collisions.

A spring-biased jamming member obstructs latch movement to prevent door opening during side impact events.

A striker mounting structure disperses collision forces through an intermediary connecting rod with locking and abutment portions.

A second outside lever pivots inward through an elongate hole to block the first outside lever from turning.

A vehicle door handle safety device uses dual blocking protuberances to intercept the activation element during rotation.

An inertia component moves a blockade lever into a blocking position during crash acceleration, preventing rebound effects from opening the motor vehicle latch.

A motor vehicle latching system uses an actuator driven by variable acceleration to adjust the bolted position via an inertia mass and spring mechanism.

A rotary latch support connects to a screw-on point to stabilize the mechanism during vehicle door operation.

A crash pin engages the hood locking mechanism during impact, preventing unintentional unlocking while maintaining convenient manual operation.

A motor vehicle latch coupling lever integrates a mass inertia element to prevent uncoupling during high-speed operation.

A motor vehicle door lock crash unit uses an inertia lever to hold the actuating mechanism in a locked position during deceleration events.

A segmented retaining element prevents door panel deformation from jamming the latch, enabling emergency services to open doors without specialized tools.

A vehicular door handle assembly uses a rotatable arm and bellcrank to transmit grip actuation through rigid connections.

Interlocking internal and external protrusions fasten the handle assembly through a bracket, reducing stress on the door sheet and minimizing required parts.

A vehicle door blocking system uses a breakable link to move a projection into the actuation cam path.

Offset center of gravity inertial blocking member engages during impact phases, preventing unintended door opening until forces dissipate.

A vehicle lock actuating element uses a moveable counterweight to resist acceleration forces during operation.

A vehicle door latch bypass mechanism mechanically disconnects the release linkage during high-speed handle movement.

Interference lever engages handle lever during side crashes to prevent door opening, eliminating balance weight needs.

A vehicle door handle lever uses a swivel wheel and rocker arm to lock the mobile fitting during violent lateral impacts.

A concave retention reinforcer absorbs side impact forces to prevent accidental door opening by limiting movement of the exterior opening control.

A pawl lever protruding portion abuts an inertial lever to restore its operating position during door handle return strokes.

Merged locking and actuating levers eliminate separate bearings, resolving compactness trade-offs while ensuring crash blocking reliability.

An angular transmission rod pivots to drive a lock actuating lever, preventing unintended door opening caused by panel deformation during side impact events.

A motor vehicle lock uses an inertia-based delay mechanism to maintain a secure state during normal operation.

A resilient auxiliary hood lock lever uses coil springs to bias movement and absorb impact energy.

A deformable striker apparatus absorbs impact energy through controlled plastic deformation of its displaceable portion.

An inertial mass rotates a blocking part to engage the activation element, limiting opening stroke and ensuring reliable synchronization during collisions.

A door handle assembly uses a dimension control link to maintain cable sheath distance.

Segmented holding elements with metal retaining means prevent false alarms and unintended door openings during vehicle accidents.

An L-shaped reinforcing member with a locking member prevents vehicle door opening under internal load.

A door outside handle uses a segmented base design to pivot inward during impact events.

A vehicle handle inertia lever with a torsion coil spring biases the mechanism to block unintended door unlocking.

A vehicle door handle uses an inertial mass to transition between rest and blocking configurations for controlled operation.

Segmented screw mechanism resolves accessibility trade-offs, enabling secure grip attachment while covering the lock for a unified appearance.

Angled ramp converts handle motion into cable displacement, eliminating bellcranks and inertia counterweights while preventing accidental unlatching.

A vehicle door mechanism uses a locking element supported on the lock housing to constrain balancing mass movement during side impacts.

Replacing metallic pins with plastics pins eliminates corrosion risk while maintaining bearing stability for the mass inertia element.

Aligning inertia lever center of gravity with the outside handle prevents delayed engagement, ensuring timely door opening prevention during collisions.

An asymmetric locking device shifts under crash acceleration forces to block handle actuation and prevent corrosion.

An inertial locking lever blocks the actuation system during crash acceleration, preventing door bouncing and unintended opening.

A crash detection element transmits pulling forces to disable the actuation lever, preventing unintended lock opening during side crashes.

Local quality resolves the contradiction between operational safety and weight by varying material thickness across the extruded profile.

A vehicle handle lever balances weight using a pivoted counterweight to reduce user opposition force while maintaining security against accidental opening.

A ductile metal plunger with engineered corrugations absorbs impact energy through controlled bending deformation.

Pivotable locking element jams transmission cable between door linings to prevent accidental release.