Serving Doors TRIZ Cases

A keypad-locked delivery door creates a secure drop-off space that keeps packages out of sight and reduces porch theft.

Standardized core and extension frames let a pet door fit varied openings while magnetic seals and elastic flap segments block moisture and insects.

A sliding gate and locking tab add secure pet door closure while keeping locking, unlocking, and pet access easy to operate.

A perforated cone-shaped pad with bristles passively grooms pets of different sizes at the door, reducing loose hair, dirt, and allergens indoors.

Removable door panels with guide and locking pins let users change appearance, add storage or electronics, and strengthen security without damage.

A low-profile deck flushing device routes water and debris through a ramped inlet while preventing backflow via rotating vanes.

Dual flexible baffle sheets seal against drafts and insects while allowing pets to pass through a trap tunnel.

Segmented magnets create adjustable resistance in an animal door flap, preventing environmental elements from entering while accommodating specific animals.

Removable brush slides into portal grooves, eliminating cumbersome ground-level cleaning.

Segmented panels with flexible hinges enable easy portability while insulative materials maintain interior temperature.

Segmented flanges and a wall spacer enable discreet pet access through existing walls, resolving visual appeal constraints.

Segmented door assembly maintains watertight integrity while allowing occupant exit via a pivotable upper section.

Segmented RFID antennas detect animal direction to enable selective entry and exit, preventing intruders while ensuring safe return of unauthorized pets.