Building Locks TRIZ Cases
- Wind Turbine Door Locking Device for Tool-Free Emergency Egress
This case uses a segmented door lock and central component to enable tool-free interior release during wind turbine emergencies.
- Multi-Axis Latchbolt Assembly with Rotatable Wedge for Misaligned Strikes
This case uses a rotatable wedge and second axis to improve latch engagement while reducing bolt stress and drawer damage.
- Window Opening Control Packing Clips for Neutral Toggle Protection
A compressive packing clip protects the toggle and sash during assembly, shipping, and installation while allowing proper sash seating.
- Drug Delivery Door Spring for Clear Partial-Closure Indication
A biasing spring exposes partial closure, while a lock prevents drug dispensing until the delivery-device door is fully shut.
- Aircraft Hook Latch With Adjustable Throw and Keeper Detection
A toggle linkage, keeper detector, and safety cover help reduce latch weight, panel damage, and accidental release.
- Modular Enclosure Panels With Removable Sliding Doors for Easy Installation
Modular panels and removable sliding doors simplify affordable enclosure installation.
- Marine Vessel Motor Mounting Lock for Easy Secure Detachment
This case combines inner and outer plates with a keyed lock to stop pin removal, improving marine motor security and usability.
- Door Lock Actuator with Spring-Loaded Abrupt Bolt Release
A locking element holds a spring-preloaded output until a trigger position, then releases it for abrupt mechanical bolt movement.
- Child Safety Lock with Sequential Spring-Bolt Release
A retrofittable cupboard lock uses a secondary lock and spring-biased bolt sequence to deter children while preserving adult access.
- Door Handle Hub Assembly With Adjustable Spring-Loaded Spindle
A sliding spindle, elongated slot, retention pin, and spring help secure and align door handles across varying door thicknesses.
- Spring-Biased Passive Door Bolt Assembly for Wind-Load Engagement
A leaf-spring catch and biased bolt help passive door panels engage the frame consistently for stronger closure and sealing.
- Exit Device Push Force Reducer With Biasing Slide Mechanism
A slide, arm, and biasing members reduce push-bar force while supporting ADA compliance and vertical surface rod configurations.
- Gravity-Actuated Refuse Container Lid Locking for Lift Release
A stainless-steel ball shifts with container tilt, locking the lid against access and releasing the restraining bar for emptying.