Back Rests TRIZ Cases

See how a dual-bladder seat design adjusts firmness by inversely controlling air pressure to ma

See how telescopic rods and a removable pad loop resolve the contradiction between user-size ad

See how swing links and an actuating mechanism enable adjustable lumbar support in reclining ch

See how a sound absorber in the fluid line uses damping material to reduce flow and vibration n

Distributed cushion and back sensors map occupant force by location, helping configure seats to reduce pressure points.

See how a modular lumbar support assembly with spindle-driven cables reduces part count, manufa

See how a blocking member adjusts along a cylinder to enable adaptive recline positions, optimi

See how dual-stiffness spring elements maintain firm clamping and cushion contact to prevent ra

See how modular seat and seatback modules with universal connectors reduce assembly complexity

See how a rate-sensitive foam layer on the seat surface reduces under-thigh pressure for divers

See how a backboard swing mechanism tilts the driver inward during cornering to relieve shoulde

See how a linkage-driven pressure-receiving member moves forward for cornering support and rear

See how a troughed recess in the backrest and seat aligns with the vertebral column, allowing i

See how segmenting a vehicle seat back shell into movable and non-movable portions maintains fr

See how a deployable cavity in the vehicle seat backrest increases legroom for rear-facing chil

See how integrating check valves at pump output ports eliminates external connectors, prevents

Belt supports and 3D knitted cushioning improve drainage, reduce seat thickness and weight, and preserve seating comfort for outdoor use.

An integral fiber-reinforced seat member cuts assembly complexity and weight while enabling self-locking height adjustment and crash resilience.

A track-guided bracket and rotating paddle adjust side bolster support to fit different occupant sizes while minimizing hard spots.

A lever-operated pump and valve assembly lets vehicle seat users inflate or deflate individual lumbar bladders for precise back support.

Segmented projecting portions in a vehicle seat adhesive joint suppress deformation, prevent separation under load, and improve bonding stability.

A coupling-guided Bowden cable enables symmetrical lumbar adjustment while avoiding sharp bends, reducing noise, stress, and cost.

A continuous semi-rigid foam cord reinforces the seatback periphery, replacing steel wires to cut weight, cost, and hard spots.

Interlaced inflatable tubes alternate low and high pressure to shift body contact peaks, reducing tissue compression and edema.

By inserting an absorption member into the seat frame hinge, this case cuts weight and cost while damping 15-20 Hz lateral vibration.

Movable seat and back upholstery shift longitudinally to improve recline and lordosis support without reducing legroom behind.

A laterally retractable seat narrows the second row to open third-row passage while still accommodating occupants or child car seats.

An inclined pneumatic sacral support guides the sacroiliac joint toward neutral posture and helps reduce hyper-flexion at L5-S1.

A compliant shell-motion controller lets a vehicle seat back change curvature with passenger posture to maintain lumbar support and pressure distribution.

A deformable seat shell with flexural motion-control links adapts from lordosis to kyphosis to maintain lumbar support across changing postures.

A sliding latch with elastic or magnetic auto-engagement keeps a vehicle seat folding element locked upright with fewer parts and less weight.

Interconnected stacked air cells and directional valves reduce seat springiness and enable more stable, customizable occupant support.

Biased suspension tabs and an inner panel let a vehicle seat cushion shift between comfort positions for different occupant sizes and support needs.

A segmented seatback with a motorized upper hood extends height adjustment by 75 mm to better fit different occupants and improve support.

A cornering sensor swings the seat back inward to relieve shoulder pressure while preserving driver hold and steering operability.

A front wall placed ahead of the reclining shaft deforms under rear impact to reduce occupant tactile sensation and protect the seat cushion.

Wedge-shaped, angled air bladder regions shift support to the thoracic spine, easing lumbar load and reducing seated fatigue.

Anisotropic seat-face rigidity lets the lumbar region sway in turns, reducing head movement, seat complexity, and driver burden.

Grooved seat back pads with detoured tuck-in wires let the torso sink deeper in rear impacts while keeping wire adhesion and pad integrity.

An integrated seat-back linkage moves the pressure-receiving member forward in cornering and rearward under impact while saving space.

Structural foam molded onto the seat frame simplifies vehicle seat assembly, saves space, and improves stability during sudden deceleration.

A fold-out table nests inside a seat-back cavity to provide a flat work surface without taking up cabin space when stowed.

An inclined occupant support member and extended thigh support improve seat followability and comfort without adding cushion thickness.

A link mechanism splits one input into different output strokes, sequencing multiple loads to lower peak actuator force and complexity.

A single actuator drives two Bowden cable support regions in opposite directions, simplifying seat structure and preventing cable slack movement.

A diverter-guided seat pan and tilt mechanism enables sleeper recline with less seat back intrusion and better lumbar support.

Differentiated seat back cushion hardness improves torso support in cornering and helps the headrest restrain head movement in collisions.

A vacuum-fixed measuring mat captures and averages user body contours to shape a vehicle seat shell that improves comfort with thinner padding.

By nesting the slider rail along the seat back side frame, this case preserves trunk space and avoids a stepped rear surface.

A pretensioned connecting element keeps the lumbar curving element in contact with the backrest support structure to prevent unloaded rattling.

Vacuum-assisted foam molding bonds resin onto a trim piece to create a lighter, soft seatback panel with more legroom and lower material use.

A 3D thermally formed nonwoven back-molded with foam cuts seat weight and thickness while preserving comfort and simpler production.

A recessed backrest that hooks onto a lateral handrail cuts attachment time, reduces parts, and cushions wheelchair users during vehicle motion.

A movable inner frame reshapes the rear bench seat to avoid a raised middle bump and keep three-passenger seating comfortable and symmetric.

A pivoting backrest and detachable auxiliary seat base create flexible stationary-vehicle seating with secure attachment and controlled deployment.

A resilient lip narrows the hook opening to stop lumbar seat hooks from dislodging from the frame under jostling or loosening.

A multi-stage coupler shifts damper mass position in a seat backrest to match changing natural frequencies and cut vibration and noise.

A sliding lumbar pillow structure lets car seats fit different body types while locking position securely and allowing easy removal for cleaning.

Dynamic lumbar support stiffening during vehicle oscillation helps maintain upper body posture and reduce head movement.

Split tethers with different lengths stabilize rear and front airbag chambers, suppressing cushion oscillation during rapid deployment.

An elevated operator station keeps paving crews off hazardous road edges while preserving a clear view of asphalt unloading and control access.

A layered fireproof plate and foam buffering plate cut combustion rate while preserving crash impact absorption and seating comfort.

Force arrays in the seat cushion and back classify posture and weight more accurately, reducing child-seat and posture-based misclassification.

A thin polyurethane top layer over thick energy-absorbing urethane foam helps off-road racing seats absorb Z-direction impacts and reduce spinal injury risk.

An aluminum extruded column joined with high-tension steel improves seat belt load bearing while avoiding bending wrinkles and accuracy loss.

An integrated pump-valve layout simplifies seat lumbar air control, supports multi-airbag inflation and deflation, and helps prevent over-inflation.

Shiftable seat bolsters pivot between stowed and deployed positions to balance lateral support with easier vehicle ingress and egress.

A rotating guard bar, backrest, and foldable side seats create safer wheelchair space near the transit door without blocking access.

An elastic, radio-transparent seatback panel keeps the sensor close to the occupant's back for accurate heartbeat detection without discomfort.

V-shaped vertical dampers and coupled seat frames keep the torso and pelvis rotating together in turns, reducing driver fatigue and discomfort.

Rear bank recesses let the side support bend and retreat, preserving upper-body sinking and neck shock absorption in rear-end collisions.

A layered fireproof plate and buffering plate keeps crash impact absorption while lowering combustion rate in child car seats.

A dual-chamber seat air cushion serves as a comfortable armrest in normal use, then unfolds on impact to protect occupants from side collisions.

Mechanical interfaces let worn lateral bolsters be replaced independently, cutting seat maintenance time without removing central padding.

A rotating connecting frame links the seat and backrest to adjust depth and lumbar support together while preventing rearward shift and upholstery deformation.

Independent connecting-frame mechanisms adjust seat depth and lumbar support without spring-plate instability or unintended rearward seat movement.

A sensor-guided bladder grid scans occupant size, then inflates only contact zones to deliver targeted seat massage with less wasted energy.

A rotating connecting frame couples seat depth and lumbar support adjustment, simplifying the mechanism while preventing backward seat shift.

A hinged, releasable seat bottom tilts independently of the seat back to expand recline angles and improve comfort in tight cabin space.

A convex abutment contour supports the diaphragm transition region to limit bending stress, enable larger deflection, and extend service life.

Automated edge pulling and release uses elastic restoring force to wrap a surface layer around a base member, cutting manual assembly time.

A detachable backrest module lets engineers replace or clean the cushion without removing the base frame, easing repair in tight spaces.

Parallel convex ribs molded into a flexible bridge member control bend direction, prevent upward protrusion, and cut stitching and material use.

A low-friction slip cloth helps a hood-type airbag slide over the occupant's head so deployment can continue and protect lateral areas.

A wire-net mat and cable drive cut lumbar support weight and cost while preserving seat-frame durability and stable back support.

Alternating inflation and deflation of embedded seat bladders varies tissue pressure to relieve capillary occlusion without loose add-on cushions.

Folding backrests integrate the strut bar into the rear seat, increasing body stiffness without adding weight or blocking trunk loading.

A rear-offset occupant seat prevents shoulder contact, improves entry and exit, and preserves compact cabin space in multipurpose work vehicles.

A single bent tubular frame cuts weld seams and part count in vehicle seat backrests while keeping strength and manufacturing flexibility.

A flexible seat structure expands and compresses to provide multiple support positions while absorbing and distributing loads.

Pre-positioned shell holes guide headrest rods for precise automated seat backrest assembly while preserving structural fit and appearance.

An articulated upper backrest linkage lowers adjustment force and collision load transmission, helping preserve a compact seat motor.

Elastic straps reshape a flexible seatback contour to widen adjustment range, reduce pressure points, and improve occupant comfort.

An articulated backrest linkage cuts actuator force variation and collision loads, helping compact seat motors avoid overload and bending.

An inertia-activated stopper link locks the dive link in a head-on collision to prevent seat drop, link deformation, and occupant submarining.

Separated end-point fixing stabilizes shoulder air cell expansion, improving support direction and reducing discomfort in vehicle seats.

Real-time seat backrest adjustment uses turn and wakefulness data to support posture in corners and help alert drowsy drivers.

A flexible thermoplastic elastomer seatback uses cable actuation to reshape lumbar contour, improving comfort while avoiding bulky mechanisms.

A radial abutment collar and releasable catching clip secure a vehicle backseat bench with high retaining force in limited design space.

Variable-resistance seatback arrays adjust stiffness to occupant mass and absorb collision forces, reducing peak reaction and deceleration loads.