Doors TRIZ Cases

A vehicle rear opening pivots on a central hinge while the trunk floor moves between storage and extended positions.

Internal clamping devices within hollow side members reinforce the vehicle structure without adding weight or interfering with cargo space.

Replaceable door portion enables visual recognition while resolving thermal insulation trade-offs in utility vehicles.

Spring-loaded coupling bars lock bow segments to prevent detachment during loading.

An external clamping device lowers the tensioning element via a hinged lever, preserving full loading space and reducing damage risk.

A flange dimple engages an aperture to stabilize panels, resolving adhesive lubricant misalignment before curing.

Merged beam and lever lock brackets disperse contact energy to maintain door rigidity without adding complex connection parts.

A tensioning strap rail uses overlapping track and auxiliary rollers to counteract curtain forces while maintaining a compact profile.

A frame-integrated tensioning device exerts uniform tensile force on vehicle tarpaulins via adjustable coupling elements.

Vertical and horizontal partitions divide the bus luggage compartment into labeled sections, resolving accessibility bottlenecks during transit.

A rotating bracket redirects a pickup truck's backup camera image when the tailgate lowers, maintaining rear visibility without wiring.

A folding tailgate uses a rail-constrained guide member to enable inward panel rotation.

Deforming flanges through windows closes the vehicle door reinforcement profile, eliminating complex welding processes and reducing production costs.

A swaged structure uses a plate part and groove to mechanically interlock vehicle door frame members during manufacturing.

Quick connect mechanisms attach the outer door subassembly to a hinged gate, simplifying removal and assembly processes.

An asymmetrical reinforcement shields the door opening control by absorbing impact energy, preventing inoperability after side collisions.

Vertical sliding doors eliminate violent pivoting from cargo thrust by descending to floor level for controlled access.

Multi-stage punch sequencing suppresses cracks and wrinkles in high-strength steel, eliminating reinforcement needs.

A tailgate assembly pivots vertically via a sliding track mechanism to position the cargo bed lid parallel to the ground.

A pedal-operated actuator moves a vehicle door to align its latch with the striker.

Embedded connecting elements bridge stiffeners to suppress longitudinal vibrations, avoiding costly mold redesigns for late-stage vibration anomalies.

A flexible Ottertex canvas enclosure with zipper access and adjustable straps provides secure attachment to sport utility vehicles.

A multi-thickness metal sheet uses area-wise differentiated thickness to conceal structural transitions within a motor vehicle door.

Elastic deformation zones in snap-fit clips enable rapid panel replacement, reducing labor costs and time compared to traditional screw-based fixing methods.

Segmented reinforcing members form a closed cross-section that distributes forces and prevents twisting deformation during frontal collisions.

Uniform thermoplastic impregnation of continuous fiber plies creates a single-layer composite structure with high fiber volume content.

Segmented load transmission members attach to opposite panel faces using temporary engagement devices for rapid assembly.

An inclined aperture covered by a lower outer face blocks air entry into the internal space, reducing wind noise at the joint.

Overlapping stanchion and tarpaulin roller supports on a single spar structure reduce production complexity for commercial vehicle roofs.

Auxiliary cover holds motion-transmitting members and positions coupling portions to enable one-direction automatic assembly of vehicle door latch devices.

Segmented carriage wheels resist transverse and longitudinal torques during rapid opening, preventing rail jamming from dirt accumulation.

Segmented plug connections enable flexible electrical wiring through a minimal wall opening, reducing sealing complexity and moisture ingress risks.

A pivoting staple strip folds inward to clear the loading sill and protect fasteners from impact damage during vehicle operations.

Releasable connections allow the cover panel to pivot vertically above rear seats, eliminating interference and increasing storage volume.

A reinforcing member positioned below a lateral guard beam absorbs impact energy within the vehicle door cavity.

A vehicle door beam attaches to an inner panel using intersecting surface members and patch brackets for stable load distribution.

A door impact bar bracket uses a leg part with deformation induction parts to absorb collision loads through controlled plastic deformation.

Variable wall thickness in a molded carrier module reduces vehicle weight while maintaining side impact resistance.

Replacing manual ratchet fixings with an electric winch eliminates billowing and labor-intensive operation while maintaining secure load retention.

Spindle guide assembly retracts tarp cover to prevent forklift damage and create fluid seal between edges.

A vehicle door beam uses tapered outer side walls to optimize deformation progression during lateral impacts.

Segmented fastening plates enable belt loop replacement without damage, resolving repair difficulty while maintaining power transmission efficiency.

Self-piercing rivets join inner and outer door panels via hemming, eliminating adhesives that increase weight and complexity.

Segmented resin strips bonded to a curved metal door panel resolve the trade-off between high tensile rigidity and low weight under distributed loads.

A vehicle door frame structure uses separate reinforcement members joined to connecting members to form closed cross-sections.

A vehicle tailgate inner box uses a separate technical panel to integrate functional components.

A textile gripping element wraps around a tension rod to prevent handle detachment during operation.

Deformable absorption member protects internal locking mechanisms from impact damage while eliminating mechanical fasteners.

A sliding holder joins a thermoformed panel to a vehicle door structure, accommodating dimensional changes.