Stools TRIZ Cases

See how a spacer elevates the backrest rotation axis to the lumbar region, enabling angle adjus

See how an annular elastic body with a through hole stabilizes the mass in a vehicle seat dynam

A domed cushion cover with snap fasteners sheds water, avoids debris buildup, and stays easy to remove without limiting outdoor furniture mobility.

See how a modular stadium seat uses dissimilar hinges for self-folding and j-hook attachment fo

See how a transverse-plane linear actuator nested within the chair frame enables motion simulat

See how a slide block on an elastic support adjusts lumbar pillow force to fit different users,

See how eight connecting rods forming five four-bar mechanisms deliver precise footrest extensi

See how a segmented crossbar with flexible or detachable sections enables leg assemblies to fol

See how a cylindrical rocker mechanism enables slip-less omnidirectional motion to activate cor

See how a leaf spring coupled to a flexible shell replaces complex biasing mechanisms in body s

A convex seat surface replaces saddle-like seating to improve hip mobility, support varied postures, and maintain ergonomic thigh contact.

See how a dual-swivel mechanism rotates the footrest out of the entry path while keeping it sta

Folding wall segments and living hinges lock a cap into a tapered pillar cavity, improving article support stability with simpler assembly.

See how a dual-frame backrest with slotted flexible shell resolves foam air-blocking and membra

See how flared armrest protrusions, angled leg extensions, and horizontal slat bracing distribu

See how force sensors and processors in office furniture detect user posture and provide real-t

See how a nested primary-secondary shaft with pivot and lock prevents table rocking on uneven s

See how a chair with a cylinder-mounted rotating table arm, hinged table portion, and integrate

See how segmented lifting arms replace centralized pistons to achieve 6-24 inch height adjustme

See how segmented lumbar pad positioning between front and rear shells enables vertical adjustm

A leaf spring and toothed linkage use seat load to automatically raise backrest tilt resistance for different user weights without manual adjustment.

See how a pivotable seat back enables bow-facing, stern-facing, pillow, and planar positions wi

See how a programmable chair uses mobile-device sensors and actuators to measure user body dime

See how a spindle-driven linear actuator with synchronous sliding blocks and direct lever coupl

See how friction-based mechanisms enable smooth, continuous armrest adjustment in width, depth,

See how a three-section hinged sunshade balances portability and coverage by segmenting frame t

See how a suspension member with dual tensile forces creates customizable 3D support pockets in

See how a folded three-piece sinuous spring design reduces worker effort and injury during furn

See how edging strips with barbs and a drawstring-hem system enable rapid, secure mesh cover in

See how a wave-shaped seating element with hand grips neutralizes downward slope, reduces diaph

See how a sliding floorplate assembly enables gaming chairs to move and lock along a defined pa

See how a rotatable leg frame with adjustable straps prevents backward tipping of booster-seat

See how a movable seat on inclined rails uses springs and gravity to enable trunk exercise with

See how a lead screw and slider mechanism adjusts elastic support angle to vary lumbar pillow f

See how an elastically deformable extension between back shell and seat shell enables dynamic a

See how cantilevered glass-filled Poly-Amide spine members enable 3D back flexing and adjustabl

See how a curved guide rail and lever mechanism enable a footrest to fold compactly below the s

See how a flexible shell four-bar linkage replaces rigid mechanical joints in seating, eliminat

See how mechanically decoupled reclining and footrest mechanisms use controller logic to enforc

A magnetic dock built into the chair arm stores and recharges the wireless remote, preventing loss, drops, and dead-battery downtime.

See how a mounting adapter with adhesive and recessed screw passage attaches chair frames to th

A sliding latch and securing element keep storage units stable under benches while enabling quick one-handed release and transport.

See how nested linear, rotary, and gimbal bearings enable dynamic forearm positioning to overco

See how telescopic legs, adjustable backrest, and movable seat enable user-specific comfort whi

An elastic chair floor protector shifts from low-friction sliding to full-contact adhesion under load, reducing scratches, shear forces, and noise.

See how a tension-spring sliding mechanism enables automatic horizontal headrest adjustment dur

A moving fulcrum shortens the chair leaf spring under seat load, automatically increasing backrest tilt resistance for different user weights.

See how a telescopic arm stalk with bearing-biased positioning enables adjustable seating arm s

A moving fulcrum and leaf spring let the chair adjust backrest tilt resistance to user weight without manual tuning.

See how a pivoting hinge and stop leaf enable a compact headrest stand to fold flat yet deploy