Cylinder Locks TRIZ Cases

A sliding block fixes the pin cover against the lock casing, preventing pin loss while allowing easy rekeying for different key profiles.

Steel MIM with ceramic support and sintering forms lock cylinder plugs that resist drilling and corrosion while preserving keyway fit.

A mobile grooved ring between opposing lock pins blocks notch-based copying and improves cylinder lock resistance to burglary.

Selective rack engagement in a nested plug and inner sleeve lets master and user keys be rekeyed without removing the plug assembly.

A laterally pivoting probe arm lets a lock cylinder detect key ribs, grooves, and undercuts with fewer parts and stronger copy resistance.

A protruded elastic pin plug enables pin replacement through a dedicated hole while preventing plug detachment and lock failure.

An anti-theft member between lock members blocks crackable key-ball matching while supporting multiple keys through controlled interface alignment.

Movably joined pin segments eliminate counterrotation feedback during picking, improving pin tumbler lock security without new keys.

Multiple pin stacks create decoy and true shear lines so only one alignment rotates the core and sleeve, sharply resisting picking and bumping.

Multiple recess rows combine spring-loaded active elements with freely movable passive elements, expanding authentication variability in a compact locking cylinder.

Tapered surfaces align tumbler pins in the lock core and key, addressing inaccurate alignment while supporting reliable, efficient unlocking.

Separate molds and inventories for each key shape are avoided by a universal keyway that accepts multiple profiles and aligns lock ball slots for stable unlocking.

Segmented pin configurations combine stainless steel pairs, shallow cavities, and irregular upper pins to resist drilling, bypass, and hook tools.

Dual racks and carrier subassemblies let this lock cylinder support master and user keys while rekeying either function without plug removal.

A transverse locking bar and biasing members isolate torque from racks, improving resistance to deformation during forced entry.

This lock set uses ring-groove pin interference to create false insertion and delay unauthorized picking attempts.

A circumferential groove catches housing pins and blocks cylinder rotation during adapter-key impact attacks.

This case uses a transverse locking bar and groove to block plug rotation while protecting rekeying racks from torque deformation.

Segmented locking plates with scanning grooves create hierarchical key systems, resolving limited code variations in conventional cylinder locks.

Radial segment discs scan key incisions to prevent picking attacks while reducing mechanical complexity through dynamic positioning.

A rekeyable lock cylinder plug assembly uses movable rack components to enable key changes without replacing the entire lock unit.

A cylinder lock pin uses a concave ogive and contoured grub to align securely within the rotor channel.

A pin tumbler lock uses a rotating lockout sleeve and ball bearings to neutralize picking attempts.

Segmented pin valves adjust length to enable indefinite recoding, resolving the trade-off between lock versatility and replacement costs.

A lock cylinder uses a segmented locking rod with rotationally symmetrical elements to enable automated assembly.

A push-button lock cylinder uses a cooperating slot and post to enable axial movement for door operation.

A rekeyable lock cylinder uses a movable position block to control rack engagement for authorized tool access.

A rekeyable lock cylinder uses a movable carrier sub-assembly to align pins during plug rotation.

Segmented contact surfaces on the closure element lock the adapter head in specific angular positions, preventing external twisting manipulation.

Dual sidebars sequentially bind and test code pin alignment, resolving the trade-off between locking security and structural complexity.

A single control pin blocks multiple housing pins via a catch pocket, increasing resistance to unauthorized unlocking without enlarging the core structure.

A rekeyable lock cylinder uses a slider system operated by side milling cuts on the key to control a second locking bar.

Transverse rack displacement releases component engagement in a rekeyable lock cylinder, eliminating full assembly replacement costs.

Segmented guide collars allow the core pin to tilt and block picking attempts while maintaining stable guidance during authorized key operation.

A multifunctional lock uses sliding blocks and tooth pieces to enable secure key replacement.

Segmented driving ribs on a universal lock core engage different transmission rods, resolving the trade-off between locking reliability and adaptability.

An ogive-shaped pin with a contoured cavity aligns with a profiled key to prevent picking, resolving the trade-off between security and device complexity.

Varying pitch spacing between locking elements increases encoding variations while maintaining simplicity and cost-effectiveness.

Nested rotors with spring-loaded pins prevent lock-picking by neutralizing torsional tension exploitation.

A reset cradle with a two-section housing and internal cam mechanism automatically positions lock components for rekeying.

Movable members in a rekeyable lock cylinder block rotation until the key is fully inserted, preventing incomplete rekeying errors.

Segmented locking areas with different movement characteristics prevent lock picking tools from manipulating all elements simultaneously.

An adjusting member creates position differences between rack components to prevent unauthorized rekeying while allowing control keys to reset the lock.

Contoured annular bodies fitted over mushroom-shaped pin terminals prevent perfect alignment of internal components, blocking fraudulent key copying.

A lock cylinder uses a radially movable bead on the key shank to actuate a feeler pin and blocking pin.

Segmented tumbler parts adjust length via press fit, resolving production complexity while maintaining precision.

A programmable cylinder lock uses a stop member to prevent inward displacement of the change bar during incomplete key insertion.

A cylinder lock uses a cam mechanism to move rotors axially, preventing unauthorized pivoting of the inner cylinder.

A programmable cylinder lock uses dual parallel toothings with limited axial mobility to define distinct key combinations.

A programmable cylinder lock uses a stop bar and key recesses to secure codification modification.