Door/Window Protective Devices TRIZ Cases
- Telescopic Protective Covering With Elastic Reset Segments
Elastic reset elements on support legs push connecting elements to urge cover legs against each other, reducing weight while maintaining sealing performance.
- Roller Awnings Blocking System Synchronized Actuation
Integrated ratchets with symmetric teeth ensure coordinated blocking without precise assembly alignment.
- Gargoyle Drainage Segmentation for Window Sill Protection
Segmenting the drainage function into a collecting section and a spouting section eliminates plastering work and prevents moisture damage to the window sill.
- Backup Remote Control Identifier Assignment via Power Cycling
Power cycling updates receiver identifiers while preserving previous codes, preventing incorrect assignments across multiple roller shutters.
- Movable Barrier Sensor for Manual Drive Safety
A sensor detects ring rotation from a manual drive, preventing motor operation during engagement to avoid damage.
- Adjustable Rotary Shaft Assembly for Rolling Gate Weight Balancing
An adjustable rotary shaft assembly balances rolling gate weight using form-fitting driver and bearing connections.
- One-Way Clutch Brake for Non-Pull Cord Window Blind
Planetary gears engage stop blocks in one-way clutch units to prevent rebounding and dropping in non-pull cord window blinds.
- Venetian Blind Transmission with Interchangeable Wheel Sets
A Venetian blind transmission uses two string reels and two spring reels connected by an interchangeable wheel set to adjust gear ratios.
- EPDM Sealing Bead for Sun Protection Acoustic Decoupling
Compressed elastic beads on plate-shaped elements decouple acoustic and thermal energy between sun protection systems and building facades.
- Safety Device Collision Detection via Sensor State Vectors
Evaluation unit analyzes sensor state vectors to differentiate moving elements from objects, resolving collision detection reliability.
- Winding Roller Blocking Elements for Screen Cord Alignment
Segmented blocking elements enable automatic roller alignment, eliminating manual positioning before shaft mounting.
- Dynamic Vision Correction Apparatus Using Electro-Wetting and Feedback
A focus adjustable apparatus uses electro-wetting units to refract light rays onto the retina for clear vision.
- Winder Housing Segmentation for Strap Maintenance Access
Segmented winder housing isolates spring mechanisms from direct contact, resolving maintenance accessibility risks against component security.
- Leveling Assembly for Architectural Covering Bottom Rails
Lateral motor slide movement varies individual lift cord travel paths, resolving manufacturing tolerance-induced skew angles in architectural coverings.
- Telescoping Gate System for Compact Storage
Nested gate members retract into one another via roller rails, resolving the conflict between wide obstruction spans and limited perimeter storage areas.
- Safety System for Guided Motion Elements Using Active Shut-Off Signals
Active shut-off signals distinguish the motion element from objects, preventing false triggers and ensuring reliable operation.
- U-Shaped Carrier With Adjusting Rod For Blind Component Stability
Rotating an adjusting rod presses blind components into V-shaped receptacles, preventing vertical displacement and outward leg deflection.
- Window Covering Lift Cord Friction Mechanism for Spring Cost Reduction
Non-moving elements increase lift cord friction within the rail, reducing required spring motor strength and manufacturing cost.
- Cordless Blind Controlling Mechanism with Elastic Gear Assembly
Coil spring between driving gears rotates driven gears to manage transmission ropes, eliminating exposed cords that entangle children.