Stools TRIZ Cases

See how distributed base protrusions replace Velcro to secure child seats without delamination,

See how a cantilever support mechanism with elastically deformable seat and backrest sections m

See how a chair assembly uses elastomeric upholstery with directional compliance and adjustable

See how nested slideable members and an actuator enable precise armrest height adjustment while

See how a thin impact protection film on the clamping frame absorbs shock loads to prevent fibe

A change gear routes one electric motor's force to seat-height and tilt mechanisms, enabling precise adjustments from an accessible chair control.

See how a drag link mechanism lifts the seat as the back reclines, eliminating bulky housings a

The split linkage keeps the middle ottoman on a constant radial arc while the front ottoman adds support beyond the chaise pad.

See how moisture-permeable seat materials with low-wattage fans and resistive heating enable in

See how a cantilever support with elastic spring elements maintains constant seat-backrest posi

See how a tilted guide region and bump-groove engagement enable rotational adjustment of footre

See how a locking-plate fixing device connects chair legs without additional machining, enablin

See how a segmented back shell flexes fore-to-aft during recline while maintaining lumbar spaci

See how elastic seat and backrest panels with lateral hollow portions replace complex mechanica

See how a center member and cup-shaped cushion enable automatic furniture leveling without manu

See how protrusion and contact parts enable simultaneous rotation of multiple viewing chair bac

See how a crank mechanism moves overlapping footrest panels along a curved trajectory to preven

See how a slot-rider cartridge system enables compact synchronous seat raising and tilting with

See how curved seat and back surfaces match ischium, ilium, and rib anatomy to reduce buttock c

See how a portable seat cover with embedded pressure and angle sensors monitors sitting posture

See how straight and curved guide tracks enable sequential translation, rotation, and re-transl

See how nested threaded bushings and a locking element enable independent foot ring height adju

An elastically deformable molded part adapts pendulum-chair restoring force to user weight without manual spring adjustment.

A biased coupling member maintains guide contact to reduce lateral play and wobble in a height-adjustable chair back.

See how a pivoting upper seatback with arcuate torsion bar and lockable articulation assembly r

See how an adjustable hinge mechanism enables a compact head support to fit in carry-on luggage

See how a spring-biased pushbutton actuator enables quick seat-back and torso-bar height change

See how magnetic material enables hook-and-loop components to be fixed during foaming, eliminat

See how a ring-torus cushion with central aperture, leg support cutouts, and rear cutout reduce

See how a segmented end piece with elastic damping between body and sole enables smooth sliding

See how a U-shaped hinge routes wiring along its structure, enabling seat lift and rotation for

Pivoting lateral members slide within covered channels to simplify assembly and preserve a seamless chair appearance.

A variable rocker lever arm changes recline torque curves with less effort, even when the chair back is reclined.

This case uses a skirted guard with dual-orientation fastening to shield swivel mechanisms from pinching while concealing dust.

See how a segmented half-shell coupling with perpendicular journal bearings simplifies chair as

See how a linkage-based headrest tilt mechanism uses segmented mounting and universal brackets

See how threaded connecting units join metal base frames and plastic chair legs without crushin

See how a convex-surface jointing with sliding element and threaded rod enables step-less furni

See how elongated apertures, leg cutouts, and foam segmentation relieve ischial tuberosity pres

See how an inclined seat elevates the buttocks and redistributes weight to the thighs, enabling

See how nested retention members and recessed grooves hide locking holes and threaded fasteners

See how arched through-cuts segment plastic uprights into bending zones with stop surfaces, ena

See how a drawstring-tensioned upholstery cover wraps chair components with self-securing chann

See how segmented shrinkable slots and nested sleeves provide distributed clamping force for ad

This chair assembly keeps seat and back pivot points within 0.75 inches to preserve ergonomic support during recline.

See how a segmented seat support mechanism uses return-force generation to reduce falling momen

A clamping mount with linear and angle adjustment adapts head and neck support to different users while simplifying cushion cleaning.