Back Rests TRIZ Cases

A 3D-printed seat lattice with an integrated air bladder enables adjustable comfort without changing seat profile or adding assembly stack-up.

See how a cam and cam follower mechanism enables headrest and lumbar adjustment while reducing

See how a lumbar plate with wire cable replaces Bowden cables in vehicle seat suspension mats,

See how a rotating headrest frame switches between thick-pad collision protection and thin-pad

See how upper and lower angle adjusters with shape memory actuators enable continuous lumbar su

See how a single absolute pressure sensor measures both bladder and atmospheric pressure to red

See how a vehicle seat backrest uses distinct support areas with varying vertical and shear sti

Pivoting swing links move lumbar support between retracted and extended positions in reclining chairs for customizable comfort.

See how a pneumatic lumbar system uses three bladders and one motor to achieve four-way adjustm

See how an adjustable upper-back support system uses inflatable bladders and actuators to vary

See how an integrated spring-loaded locking mechanism reduces adjustment force, ensures angle c

See how a manual pneumatic pump with selectable air bladders enables customizable lumbar suppor

See how a one-piece thermoplastic composite seat pan uses slotted straps with overmolded coveri

See how an inline slider mechanism replaces pneumatic systems to adjust beam spring flexure, re

See how a swing mechanism tilts the seat backboard inward during cornering to reduce shoulder p

See how vertically segmented lumbar supports resolve the tension between posture stability and

See how mounting the motor directly on the adjusting member eliminates Bowden cables, reduces i

See how a segmented front cushion module with actuator-driven tilt improves occupant adaptabili

See how a segmented seat with pelvic well, gluteal panel, and adjustable PSIS panel redistribut

See how a deformable seat shell with motion control links adjusts to occupant load, prevents pe

See how a segmented pelvis support member with movable back, cushion, and connection portions a

See how a pivoting thoracic support with harder center and softer side foam portions addresses

See how a rope-driven flexible back replaces inflatable lumbar support to reduce manufacturing

See how a vehicle seat uses pivot pans, pneumatic bladders, and sensor feedback to adapt betwee

See how belt-shaped support members and three-dimensional knitted fabric reduce seat weight whi

See how a rotating vane between frame and lining modifies lumbar support shape while preventing

See how corner pieces in backrest frames enable thin high-strength side parts, standardize fitt

See how acoustic channels route sound from backrest speakers to near-ear positions, matching he

See how merging back pad and cover into a single elastic mat with hook-wire engagement reduces

See how an adjustable blocking member in a seat actuator enables dynamic recline limits, optimi

See how multiple closed regions formed at overlapping side frame pieces enhance rigidity while

See how directional ridges on a hard foam seat core promote vertical sliding with the cushion l

See how a two-member bonded closed cross-section in a resin seatback frame reduces stress conce

See how a seat-cushion tilting mechanism coordinates with seatback reclining to disperse body p

See how adjustable extension members along seat bolster seams enable passengers to customize la

See how a multi-density foam seat back provides structural support without a rigid frame, reduc

See how a motor-driven rigid linkage with adjustment arms and low-friction incision replaces wi

See how a dual-pivot hinged arm enables headrest height, tilt, and position adjustment without

See how a recessed area in the seat back creates a void space that allows direct access to rear

See how asymmetric microphone placement at different recess depths enables phase-difference det

See how notches near securing attachments allow uniform shrinkage in expanded-bead seat cores,

See how a seat back frame with a swinging backboard tilts inward during cornering to reduce sho

See how integrating check valves into pump output ports eliminates T-connectors, reduces instal

See how a manual lumbar pump uses segmented air bladders and a selection device to enable occup

Tubeless air passages formed by joined impermeable sheets integrate seat ventilation and massage while cutting assembly complexity and material use.

An SMA actuator moves a valve tip along a PCB-aligned axis, cutting packaging space and complexity while maintaining reliable operation.

A porous lattice seat support combines region-tuned cushioning with built-in sound channels to improve comfort and in-seat audio delivery.

A modular rear occupant support uses removable cushions and a rotatable frame to switch between seating and cargo layouts with better space use.

Alternating embedded bladders vary seat pressure over time to reduce capillary occlusion, sitting pain, and cushion slip risks.

A locking link assembly lets a vehicle seat back rotate to a nearly horizontal position, removing row steps and expanding flat cargo space.

Resilient motor mounts, flexible seals, and dual resonant cavities cut pump and airflow noise without adding extra sound-deadening materials.

A four-bar seat rotation linkage enables rear-facing and full-bed modes in limited package space while reducing added weight and cost.

A linked seat cushion and back pivot together during turns to keep the driver's head and knees centered and reduce joint strain.

Extruded molten fibers are tangled and cooled into one cushion with locally varied density and hardness, cutting seat cushion assembly cost.

Check valves in a seat fluid manifold enable sequential bladder inflation and venting for more uniform lumbar support and massage pressure.

A foamless filament mesh cushion cuts seat weight while maintaining occupant support, comfort, airflow, and recyclability.

A height-adjustable center support lets a vehicle seat switch between stronger maneuver support and easier ingress and egress.

Actuated modular seat assemblies shift between center and side access positions to improve passenger sightlines and reduce motion sickness.

Elastic panels and Bowden cable actuation replace leak-prone air bladders to create adjustable seat contours with lower cost and weight.

Pressure sensing, machine vision, and state-based seat adjustment reduce back strain while improving posture, comfort, and driving safety.

Pressure sensing and controlled backrest displacement adapt lumbar support in aircraft seats to reduce discomfort on long flights.

Loop-free belt ends with stepped attachments replace sewn loops to improve length accuracy, appearance, and mounting space in vehicles.

Pressure sensors and closed-loop backrest adjustment redistribute support across seat zones to improve comfort during long flights.

A low-friction slip cloth lets a hood-type airbag slide over the occupant's head and fully deploy to protect head and side areas.

Loop-free belt ends with stepped attachments improve length control, save mounting space, and remove exposed sewing threads.

Movable seat assemblies, side access doors, and storage bins let one autonomous vehicle switch between passenger seating and cargo space efficiently.

Front and rear insert wires reposition support under the pelvis to limit buttocks sinking while keeping the seat pad soft and stable.

A pivoted upper seat back linkage keeps the seat back and cushion moving in phase to maintain head and knee alignment during turns.

A turret-mounted main carriage and transverse carriage combine seat translation, rotation, and inclination while reducing aircraft seat base bulk.

Direct actuator articulation on the backrest support simplifies aircraft seat recline, reducing bulk and seizure risk while preserving tilt range.

Curved side supports and notch-based height adjustment improve operator comfort and stance flexibility on material handling vehicles.

A rotating link and elastic mechanism let one lever drive reclining, tilting, and stow modes while cutting seat weight and complexity.

A thermally fused sheet secures the seatback vibration motor to the air bladder, preventing movement, reducing noise, and stabilizing operation.

An actuator tilts the seat back toward the turn to improve posture support, boarding ease, and occupant alertness.

An asymmetrically expanding shoulder air cell pushes occupants inward to reduce upper-body lateral displacement and stabilize vehicle seat posture.

Pressure sensing in a portable seat cushion pairs with dongle proximity alerts to detect unattended children or pets across vehicle seats.

Dual seat and backrest detection prevents false unoccupied signals when drivers shift weight, avoiding unnecessary vehicle stops.

Dual seat-part and backrest sensors prevent false unoccupied signals during driver movement, avoiding unintended stops in commercial vehicles.

A modular adapter carrier lets one common seat back frame support different trim and panel assemblies, cutting seat variation cost and complexity.

Rotating seat elements and a movable central tunnel let one cockpit switch between two-seat road use and a single-seat sports layout.

Rotating sides and repositionable backrests let one cockpit switch quickly between two-seat road use and single-seat sports driving.

Offset gusset parts enable dual-side tube welding in a vehicle seat backrest, improving crash resistance while keeping stamping simple and low-cost.

A rigid linkage and upper pivot mechanism keep the seat back and cushion moving in phase to reduce driver fatigue during turns.

Lower-back grooves in a vehicle seatback pad cut deformation resistance, letting the lumbar support move lower and adjust over a wider range.

A dual-function seat back linkage moves the pressure-receiving member for cornering support and rear-impact relief while saving seat space.

A porous polyurethane cushion pad uses a dicarboxylic acid ester additive to improve airflow and damp vehicle seat vibration discomfort.

A removable load-bearing seat-back cover preserves cargo-floor strength while giving rear access to internal electrical and pneumatic components.

A flexible member reshapes the seat bolster as the seatback folds, reducing folded volume and creating a flatter cargo surface.

A backrest cavity lets thicker cushioning sit inside the support structure, improving shoulder comfort without increasing seat depth.

Pneumatic elevations on a folded seat backrest keep legs and objects in place during cornering while improving comfort and support.

A torsion spring and locking pin store fold-down energy to help heavier vehicle seat backs return upright with less user effort.

A variable-rigidity pressure-receiving member bends convexly at its joining portion to boost lumbar support force without sacrificing seating comfort.

Pivoted seat pan, backrest, and headrest enable safe taxi and napping positions plus sleeping mode with integrated locking controls.