Building Locks TRIZ Cases

Detented pin reduces push-in effort while maintaining retention quality in steering column assemblies.

Segmenting the latching points into a single cam mechanism distributes forces uniformly, eliminating slack-induced bowing in extended screens.

A rotating locking shaft secures bicycles in docking stations using an irreversible drive mechanism.

Indexing teeth on the release stop maintain precise alignment against vibration, eliminating loose settings in window lock fittings.

A pivotally-mounted linkage converts closing motion into force to actuate a locking element.

A flush bolt assembly nests a biasing spring inside the latch bolt body to protect the component from external damage.

An inverted pivot motion eliminates jamming caused by outward friction, enabling reliable emergency release through a multi-point locking mechanism.

A magnetic latch assembly uses a second-order lever mechanism to reduce the force required for opening hinged closures.

Galvannealed steel construction meets strict flame spread ratings while the integrated cam latch eliminates separate frames.

An intermediary locking element constrains bolt rotation, allowing the handle to rotate out of a notch for simplified unlocking without padlock removal.

Segmented release mechanisms detach helicopter doors without bulky rods, reducing device weight.

A door hardware locating tool uses a clamping mechanism and movable insert to align edge and cross bores accurately.

A threaded adjustable pin compensates for out-of-plumb misalignment in lift-and-slide doors, eliminating the need for multiple fixed pin sizes.

A thrust reverser guide rail with a rear end-of-travel stop supports axial loads on the primary rail.

Segmentation and nesting principles simplify assembly of multi-drawer locking systems while maintaining reliability.

Segmented inner and outer strips adapt to dimensional changes, resolving the trade-off between full working height utilization and process tolerances.

A smart door lock projection module displays a safe opening range image on the ground to prevent user injury from heavy door panels.

Resiliently biased locking members and operating pins adjust to misalignment, allowing ball release from grooves despite wear.

A U-shaped wing positioner fixes the movable leaf perpendicular to the glazing plane for secure guidance.

Segmented locking system uses breakable cover and nested shell to provide tamper-evident emergency opening without compromising security.

A folding stand uses object weight to pivot members between open and closed positions with minimal user effort.

A floating coupling part moves transversely within a gear housing to engage locking contours on the connecting rod fitting.

A locking device uses a displaceable guide rail with blocking elements to secure movable furniture parts in a closed position.

A multi-pocket step-drawer uses a mechanical ladder and latching element to control compartment access without flexible electrical cables.

A universal safety lock uses a movable button on a pivoting lever to adapt to left or right window hinges.

An integrated torsion spring assembly reduces part count and weight while maintaining reliable door positioning.

A compression latch secures against vibrational opening using an axially movable securing element that blocks rotational movement of the locking shaft.

A container locking lever uses a spring-loaded cam follower to generate holding torque, preventing sudden pivoting and injury risks from elastic seal forces.

Closed rectangular plastic detent spring eliminates metallic components to reduce manufacturing complexity while maintaining strong snap-action feel.

A shock-proof mechanical magnetic lock uses a single spring between the sleeve and stop ring to simplify assembly.

A gravity latch assembly uses a kinetic element to release a staple when the container tilts forward.

An integrated vertical lock bar merges locking functions to reduce structural complexity while maintaining secure anti-misoperation capability.

Segmented vertical shafts enable one lock to secure all entrance door panels while accommodating curved trajectory movement.

A multi-part coupling uses a return pin to push the element toward the lock bit during key insertion.

A surface-mounted multipoint locking system uses an elongated housing with spaced latch bolts to secure swinging door panels.

A utility meter enclosure uses dual position locks to secure the front cover during assembly and permanently fix it afterward.

An adjustable strike plate employs a movable stop with hooking teeth that engage retaining surfaces to compensate for frame dimensional changes.

A safety cabinet uses a fuse to hold a swing door locking element in an unlocked position until fire conditions trigger automatic release.

A fragile guide part reduces load resistance to delay linkage disconnection and allow auxiliary lock member engagement.

A telescopic ventilation profile integrates into a sliding door leaf to enable air exchange without visible external components.

A swivel hook features a transverse stop surface that engages the strike plate opening to secure lift-and-slide doors.

Segmented insert and flange design deters theft while allowing authorized maintenance access.

A rotating lever mechanism drives a door mounting to eject the vehicle door through an opening.

Segmented locking components and universal adapters resolve the contradiction between high burglary protection and frame modification complexity.

A flat key element rotates within a segmented socket to displace blocking heads and secure paired connecting brackets.

A rotating body with a narrowing opening grips wall and ceiling components through tensile forces.

A sliding door locking system uses a movable strike plate element to secure sashes in closed or ajar positions.

A vivarium cover locking clip secures the tank lid using a spring-loaded ratchet mechanism.

A sliding and rotating leaf system uses a mechanical drive to displace the door leaf within the rail profile for secure positioning.