Building Locks TRIZ Cases

A pivoting latch blocker covers a strike plate keeper hole to block door bolts, resolving the conflict between secure locking and rapid emergency access.

A folding sliding panel uses a dual-driver locking mechanism to secure adjacent surface elements within guide rails.

A deadbolt assembly uses a ramp arm to urge a traveler laterally, engaging locking components during bolt extension.

A cover with a flexible locking heel secures motor block sensors through elastic deformation.

A dual action gravity latch uses independent side locks to secure a gate without requiring holes or modifications.

Angled gear lock mechanism reduces housing size by aligning transmission axis to resolve volume reliability trade-off.

Integrating a pre-molded fastener with an extended lead-in portion guides alignment, eliminating the need for two-handed manual guidance.

A sliding door lock uses a striking marking element to indicate the precise center position for latch insertion holes on the jamb.

A cover plate with a looped groove and material neck that breaks away under prying force.

Nested pivotable key arms resolve the contradiction between versatility and compactness, enabling easy handling of multiple locks.

Segmentation and merging principles create a multi-stage locking mechanism that prevents accidental disengagement in critical safety applications.

A doorstop rests on a handle and tilts into a stable position, preventing accidental removal while adapting to various door dimensions.

An asymmetric clamp head prevents damage to semi-rigid materials by converting nut tightening into elastic deformation that digs a hook into the sheet.