Accident Situation Locks TRIZ Cases

A breakaway support body isolates the ratchet and Bowden cable during side impact to prevent accidental door opening.

An inertia-triggered release deploys a flush vehicle door handle during collisions when motor failure would otherwise prevent door opening.

A breakaway support structure separates the ratchet and Bowden cable during side impact to prevent unintended vehicle door opening.

A floating lock blocker follows outer-panel deformation during impact to keep the lever from releasing and prevent unintended door opening.

A deformable reinforcing bracket shifts into the latch lever during impact to stop unintended release and keep the vehicle door closed.

A deformable door reinforcement contacts the latch during impact to keep the door closed and route crash forces into the B-pillar.

A load transmitting member redirects side impact force to the engaging member base, limiting door latch deformation and preventing disengagement.

Multiple locking rods spread side-collision loads across the reinforcement to keep the striker aligned and block door intrusion into the cabin.

An attenuation slot near the interior latch handle limits handle movement during impact so the door stays closed and pillars absorb crash forces.

A catchment claw and T-shaped securing hook keep a sliding door latched to the B-pillar during oblique front impacts and pillar deformation.

Local laser hardening and laser-welded bearing components help a motor vehicle lock absorb crash loads without adding full-section weight.

A restriction mechanism locks the inertia lever in a non-operating position during impact, blocking ratchet release and accidental door opening.

A reinforcing plate and multi-part lock holder raise tear resistance and load capacity so vehicle doors stay latched under crash loads.

A secondary spring module linked by cables adds bias to the interior handle, preventing unintended door unlatching during side impacts.

A two-part sheet metal lock striker improves tear resistance and load absorption at the bracket-to-plate transition under extreme door loads.

A pivoted coupling lever and torsion spring keep the door lock opening chain reliable under corrosion, contamination, and crash loads.

A movable stopper bracket blocks the latch release lever during side impact, preventing unintended door unlatching while preserving normal opening.

A roller pawl cuts ratchet friction to lower door release effort while a secondary pawl preserves striker capture during crashes.

A deformable lock case reinforces the bonnet locking mechanism during crashes, raising force absorption without extra reinforcing parts.

Collision risk signals trigger a vehicle flush door handle before impact, preventing motorized deployment failure during power loss.

An inertial rotor and bridge directly block the latch lever during a crash, preventing unintended door unlatching in flush vehicle handles.

Rheopectic fluid raises viscosity as rotor speed increases, limiting handle motion and helping prevent accidental door opening during crashes.

A rheopectic fluid and immersed rotor limit rotation during crashes, while modular mounting simplifies adaptation and replacement on vehicle door handles.

A double-acting spring works with a mass inertia element to preserve crash unlocking and restore door opening after power loss.

A position-based shaft engagement joins the open-link levers without a retaining screw, simplifying latch assembly while resisting impact-related opening.

An inertia lever and two-stroke actuating lever separate crash response from intentional release, helping prevent unintended motor vehicle door opening.

An inertia-driven mass lock blocks vehicle door-handle movement after impact, preventing unintentional unlocking while allowing manual reset.

This case shows how a disengaged coupling element engages during a crash to mechanically open a locked vehicle door without power.

Two acceleration-specific inertial masses and rotation stops help block door opening while limiting crash-mechanism damage.

Separate acceleration thresholds and rotation stops help block door opening while limiting inertial mechanism damage.

A reinforcing plate extending over the base-plate bead strengthens bolt connections and helps the lock holder absorb crash tearing forces.

An inertia element engages a normally disengaged coupling so locked vehicle doors can open mechanically after crash power loss.

A two-position coupling keeps the internal lever engaged while limiting external release, supporting reliable post-crash door opening.

A latch plate features a semi-circular splay opposite the inlet slot to absorb higher stresses while maintaining reduced weight.

Inertia lever prevents unintended lock opening during crashes by blocking pawl disengagement under excessive acceleration.

A vehicle door handle assembly uses a reversible inertial security system to block handle and latch lever movement during collisions.

A lock plate features a semicircular edge bend opposite the run-in slot to absorb tensile forces.

A vehicle door reinforcement member incorporates a secondary attenuation component to manage impact energy distribution.

Dynamic auxiliary latch absorbs closing impulse while disengaging during pedestrian collisions to prevent bodywork damage.

Inertial lever delays return to unlocked state, preventing unintended door opening during crashes when actuation lever moves rapidly.

An extension on the pawl engages under a hook to limit axial displacement, ensuring mechanical stability against high transverse forces.

An inertial blocking lever with a stopper locks the door handle and lever against panel deformation, preventing forced opening during vehicle collisions.

A vehicle door handle assembly uses a spherical member to prevent sticking in extended positions.

Segmented levers isolate balance loads from handle rods, preventing inertia-induced release and ensuring door closure after side impact.

A resettable inertia lock assembly secures an engagement coupler to prevent unintended access closure opening during impact events.

A securing element prevents unintentional opening of a motor vehicle lock by blocking the first pawl against vibration-induced walkout.

A motor vehicle lock uses an inertia unit to prevent release lever actuation during high-speed events.

A lever device connects a vehicle door handle to a latch cable using separate handle and link levers.

A swiveling power transmission bolt redirects excessive forces from the rotary latch into the lock case.

Eccentric ratchet lever mounting creates counter-torque that blocks actuation levers against crash bouncing forces.