Controlling Members TRIZ Cases

A shaft-flange-supported rear balancer keeps the ball contained as housing joints weaken, sustaining spin-tub vibration reduction over time.

Preformed hooks and grooves simplify washer knob assembly while reinforcing knob-cover coupling strength and lowering component cost.

Transverse sliding slots let a grill bezel shift in two dimensions, centering the knob on the valve shaft and reducing debris gaps.

A sequenced linkage lets a lifting recliner recline, extend, and lift with one linear actuator while maintaining seat position near a wall.

Independently movable armrests and control grips use a common fastener to fit different operators while holding position securely.

Circumferential concave ribs replace point contact with surface contact, improving table leg stability and secure mounting.

A frame-fixed bushing limits valve stem lateral play to reduce gas control knob wobble while preserving free rotation and axial travel.

Two coaxial retractable control parts let oven users separately set functions and parameters while reducing wear, soiling, and panel clutter.

Rigid wear strips and friction cylinders cut frame wear in refrigerant recovery machines while simplifying assembly and part replacement.

A compact linear-actuated linkage extends the footrest first, then reclines the backrest to avoid crossbeam interference and save space.

A spring barb locked into a rod recess keeps a domestic-appliance knob easy to install yet resistant to unintended pull-off.

A virtual-pivot armrest with multi-position locking fits different operator heights while keeping the wrist neutral and manufacturing simpler.

A spring-loaded gear and flip handle set bypass damper crack pressure precisely, reducing duct noise and static pressure rise.

Compact linear actuators sequence recline, footrest extension, and seat lift while avoiding motor interference and reducing linkage complexity.

Telescoping head array arms, dual-sensor confirmation, and centralized cable routing prevent false wheelchair commands and support EMC compliance.

Snap-fit coupling between the rotation knob and cover simplifies washer assembly while improving long-term connection strength and lowering part cost.

A movable control element embedded in the display panel uses a light-permeable cover and guides to save space while preserving stable, precise operation.

A tilting activation disc converts side or angled button force into axial switch motion, enabling reliable multidirectional pushbutton actuation.

Haptic motors and Hall-plus-pressure sensing help drivers recognize low-displacement pedal states with less force and added safety.

A rotatable armrest steering assembly preserves cargo visibility and keeps forklift steering comfortable and precise during reverse driving.

An asymmetric restricting portion blocks upside-down button insertion by overlapping the flange only in the wrong assembly orientation.

When the operating lever is in use, the controller disables nearby cabin switches to prevent accidental activation and improve excavator control reliability.

A shaft encoder captures both rotary and axial knob input to deliver precise control, low play, and rigid operation at low cost.

Separating the pedal simulator from the electric booster improves installation freedom while reducing noise, impact, and booster size constraints.

Adjusting the cover relative to the housing aligns pedal bearing axes, improving rotation smoothness without tighter part tolerances.

A fixed tubular pivot keeps brake pedal force stable across temperature changes and releases fixation if the shaft sticks.

A resistor-tuned button circuit matches target transfer functions across standard potentiometers, avoiding recalibration after replacement.

A thin thermoformed composite membrane seals the key module against water and dust while preserving soft touch and accurate keystrokes.

Guided spring seats restrict perpendicular movement in a pedal simulator, preserving elastic deformation and stable pedal reaction force.

A separate restricting member limits pedal travel before overload cuts or breaks the rubber damper, preserving cushioning and durability.

By aligning the urging center with the actuator axis, this pedal case limits friction growth and keeps reaction force close to design value.

Direct shaft rotation sensing with multiple targets improves pedal displacement accuracy by avoiding dimensional and assembly variation errors.

A clamp-on remote mounts over a toggle switch, holds it on, and adds wireless load control without rewiring or electrician installation.

Side-wall grooves drain water away from pedal shaft bearings to prevent freezing, noise, and poor accelerator operability in wet conditions.

A lever angle threshold and nested torsion springs let electric wheelchair users stop the motor without returning the accelerator to neutral.

A front-side bar keeps the pedal sensor damping element from slipping out of its groove while preserving injection-mold demolding.

A dome switch and fixed rotation electrode keep constant touch-sensor proximity, cutting Z height while improving adhesion and reliability.

A measuring coil inside the armature enables precise force control in vehicle haptic controls, reducing overshoot and tilt.

Mounting a wireless control over an existing wall switch avoids rewiring and keeps controllable lights powered by blocking accidental switch-off.

Variable magnetorheological haptics let one dual-rotary vehicle control handle main and subfunctions with compact, intuitive feedback.

An integrated actuator adds pedal locking and adjustable reaction force without increasing accelerator module size or complexity.

Magnetic-field control of MR fluid replaces gears and motors to create varied rotary haptic feedback with lower size and cost.

A light-guiding diffuser illuminates the button-faceplate gap to show load status, presets, and night visibility with one indicator.

A movable dial-to-shaft coupling absorbs axial misalignment during assembly and protects the rotary switch shaft from load.

A rocker-arm and rolling-cylinder pedal linkage enables position adjustment while limiting NVH and preserving stable actuation in vehicles.

A common-axis lever and potentiometer linkage removes elongate-hole play and dust buildup for smoother, more accurate speed detection.

A single mold with zero-draft inserts, retractors, and slides forms a one-piece button carrier that cuts tooling and assembly labor.

An offset-hinge pushrod-pedal coupler relieves brake booster side loads and limits stick-slip during pedal actuation.

Mounting a wireless control over an existing wall switch preserves power to controllable loads and adds zoned control without rewiring.

Periodic LED feedback and proximity sensing help a battery-powered load control interface show status clearly while conserving battery life.

A curved thermoplastic arm is tuned to break under hard pedal input, preserving brake activation while keeping break force consistent.

Variable electromagnetic torque gives a continuously rotating trailer-control knob tactile detents and end-stop feel without reset.

Conductive extender pads and a dome switch cut KoD push travel while keeping stable touch-screen electrical contact and tactile feedback.

An external slide-member lock keeps the shift lever solid, improving strength, assembly, and automatic return to home position.

A passive carrier-and-compression mechanism restores brake pedal feel in e-boost systems by creating speed-sensitive resistive feedback.

Hook supports around the holder opening stabilize the shaft, limit knob shake, and keep rotation smooth with lower friction.

A single lever merges proportional brake control and manual pressure relief, simplifying SAHR brake actuation while keeping compact, reliable operation.

Dynamic reaction force control holds the accelerator pedal near a speed-based target to prevent speed instability during automatic-to-manual driving.

A motor-driven contact adjuster changes operation shaft stroke on demand, improving input feel and adaptability without manual reconfiguration.

Spring and damping elements restore pedal feel in electronic vehicle braking, while backup sensors support reliable brake actuation.

Elastic isolation in a rotary operator prevents music-induced vibration from causing false press detection while preserving smooth rotation.

Electronic brake signal transmission removes master-cylinder linkage limits, widening pedal position and posture adjustment with one actuator.

A pivoting friction lever varies pedal resistance through its travel, enabling a smaller pedal assembly while reducing driver holding effort.

A pivoting and rotating hand controller combines drive, brake, and steering inputs to save vehicle space and enable one-handed operation.

Electrostatic electrodes under a symbol panel distinguish finger touches from push inputs, enabling compact multi-operation controls.

An articulated armrest steering control reduces fatigue and steering effort in agricultural machines while preserving comfort during field travel.