Lock Casings TRIZ Cases

Indicator assembly drives an indicator plate via a transmission ring, freeing space adjacent to the pushbar driver for remote latch connectors.

A steel plate anchors between housing halves to reinforce the web, resolving breakage risks without limiting locking lug rotation.

An adaptor block modifies the cylinder opening shape to accommodate standard euro profile locks while increasing structural cross-sectional area.

A cover mimicking a circuit breaker panel uses toggle arms to drive hidden bolts, hiding valuables from thieves who overlook utility boxes.

Asymmetric polygonal bolts cripple drill bits and screwdrivers, preventing rotor extraction while maintaining high pin combination capacity.

A reinforcing plate interlocks with a key lock to resist destructive external pulling forces that compromise conventional screw-thread retention.

A lock mechanism covers the cam lever with a blocking member to stop unauthorized rotation when the thumb bolt is engaged.

A lock mechanism shield uses a segmented control block to resist break-in attempts.

A lockset system mounts to a doorway jamb with a translating bolt engaging a strike on the barn door.

Segmented clip and set screw mechanism secures non-round escutcheons to double cylinder deadbolts while maintaining tamper resistance.

A rear mounted lock cylinder uses a threaded fastening element and displaceable engaging element to secure the unit within a lock housing.

A pivotable ring section locking lever clears housing openings while displacing the bolt element with less than one key turn.

A multi-purpose lock casing integrates reciprocal bearings and toothed rotary levers to enable reversible actuation within metallic profile sections.

A universal drive member receives interchangeable actuators to rotate a lock core between locked and unlocked positions.

A cantilevered mount secures an exit device rail through a closed termination to prevent vandalism and wear on removable end caps.

Projections on the bolt and lock body interlock to block metal strips, resolving insufficient protection against manipulation.

A sliding retainer engages longitudinal grooves on a door lock key cylinder, allowing tool-assisted removal without compromising retention reliability.

A disc tumbler lock gasket integrates a rotation limiting segment to constrain disc orientation during key operation.

A cylinder lock connects separate locks with a solid bar member to resist breaking forces that would otherwise break the barrel.

Segmented lock cartridges with retaining structures prevent internal component ejection when the plug is removed from the shell.

Segmentation of the lock plug into a stationary portion and a removable cassette allows rekeying without disturbing top pins, reducing process complexity.

Segmented scanning units detect module presence to block core extensions, eliminating housing modifications that weaken structural integrity.

Segmented cuffs linked by a transmission rod resolve the contradiction between improved lock status visibility and increased device complexity.

Segmented core extension redirects snapping force to a predetermined breaking point, preventing unauthorized access during axial attacks.

Transverse fastening pins secure coaxial fixing bolts in a modular lock cylinder, reducing stress concentration and torque susceptibility during assembly.

Grooves in a lock insert allow radial movement of cylinder locking elements, eliminating the need for multiple lock variants and reducing manufacturing costs.

A reprogrammable cylinder lock uses a movable ring to shift pin depths for new key combinations.

A lock with a rotatable auxiliary positioning structure uses guide seats and extensions to align locking assemblies.

Segmented lock cylinder housing parts utilize frictional plug-in connections to compensate for manufacturing tolerances and simplify assembly.

Standardized lock components reduce article codes and inventory costs by enabling diverse configurations from a single base design.

Lateral engagement portions guide the rotary driving bit past resistance points, preventing mechanical blocking during high-force projection.

A retention bracket with a deformable section creates an interference fit to stabilize the chassis during lockset mounting.

An anti-pick latch pivots a member based on door state, preventing picking without manual intervention.

Pivoting clamping levers engage tubular member walls to provide strong fixation independent of wall thickness while preventing protective coating damage.

Nested inner and outer locking discs form a dual-layer angular code that resists unauthorized access without return springs.

Nested blocking elements and composite cams prevent drilling attacks on cylinder locks by protecting internal mechanisms from manual manipulation.

A door fitting cover cap uses a rotating latching element to secure the assembly without axial displacement.

A rekeyable lock cylinder uses a blocking insert to hold counter-pins inside their seats during plug extraction.

An eccentric pin hole in the shaft sleeve constrains a dowel pin against a symmetric key groove, preventing key duplication and reducing abnormal wear.

Segmented clip and keeper components prevent unauthorized cylinder detachment while eliminating installation time.

A lock cylinder arrangement uses a retaining ring to secure mounting screws and decorative components within the housing structure.

Segmenting the plug body from the insert eliminates secondary machining operations, reducing manufacturing costs while maintaining precise tolerances.

A pivoting element transforms axial bumping pulses into reaction forces, enabling active resistance against lock picking attacks.

Adjustable elongated slots on a universal mounting plate align fasteners with existing door holes, eliminating custom drilling and inventory costs.

A modular security lock cylinder adjusts its length using spring-loaded pins and lateral arms to match door thickness.

A lock case uses removable positioning tabs to adjust opening dimensions for secure cylinder reception.

Sliding attachment bracket adjusts mounting posts to accommodate different exit device patterns without replacing the chassis.

A lock main body slides through a sleeve slot for independent removal and replacement.

A rekeyable lock cylinder uses a limit member and drive member to constrain sliding block movement until the key is fully inserted.

Elastic springs reset hook tongues along guide grooves, preventing uncontrolled extension that causes safety hazards.