Controlling Members TRIZ Cases

A rocker-style foot pedal opens and resets the watering valve without coil springs, cutting part count, maintenance, and water waste.

A detachable rotary button lets dental micro-motor controls be sterilized separately, improving ergonomics while protecting the console from heat and chemicals.

By moving the locking mechanism into a sealed actuator button, this pin design prevents contamination, improves cleanability, and resists breakage.

A coupled steering bar with an extensible shaft and spring links dual mower levers for easier one-hand steering, reverse, and quick turns.

Vibration in the steering switch alerts drivers to nearby vehicles, reducing visual checks during lane changes and helping keep focus on the road.

A magnetorheological brake and external strain sensing remove internal wiring, allowing freer rotation, smaller size, and variable tactile feedback.

Counterforce torque is generated through relative-angle-based position adjustment, giving steer-by-wire joysticks compact size and better steering feel.

A leaf spring and dual-lever handle secure and release a femoral broach quickly, improving attachment reliability in knee revision surgery.

Integrated printed conductors heat the joystick, sense temperature, and detect hand contact while reducing complexity, errors, and cost.

Integrated conductor elements in a joystick carrier provide heating, temperature sensing, and touch detection with lower complexity and cost.

A rotary handle, rings, and sensor-based adaptive control make one-handed excavator motions more intuitive and reduce operator learning effort.

Automatic control member positioning and range setting cut setup effort, prevent overload, and improve construction machine remote control.

GPS-linked servo control automates crop duster dump gates for precise application while keeping mechanical linkages for backup and lower maintenance.

Interlocking thumbstick segments let players tune controller height and fit for precision and comfort without trying multiple fixed attachments.

A multi-face adapter fits different stopcock head shapes, enabling compact lockout without pipe underside access and resisting removal.

An angled handle axis creates more usable surface for controls and display, improving camera remote ergonomics without losing compactness.

A rigid rod links both steering wheel controls to one processing unit, removing harness wiring and simplifying assembly.

Tiered palm support surfaces improve thumb freedom and wrist posture on agricultural control handles, reducing fatigue during extended use.

A yoke-centered graphical interface lets pilots enter autonomous flight commands while retaining manual control and aircraft state awareness.

A pedal-integrated proximity sensor detects foot position before contact to prevent unintended robotic surgical instrument activation.

A grooved shaft-and-nut lock enables fast aircraft armrest adjustment while preventing back-drive and holding stable user-set positions.

Inclined slide rails and discrete supports replace ball groove bearings to keep a household appliance knob stable, smooth, and cost-effective.

A detachable coupling lets the knife handle avoid dishwasher wear while preserving ergonomics, easy cleaning, and repeated reassembly.

Slidable carriages let lift-truck actuators be repositioned continuously, improving glove-friendly control and reducing setup time.

Inclined engagement surfaces let a rotary knob snap on easily yet resist removal, cutting parts cost and stabilizing trigger force.

Variable MRF joystick stiffness creates tactile detents that trigger work vehicle functions while preserving smooth, low-friction control.

Controllable MRF resistance lets work vehicle operators reset joystick return position while maintaining stable holding force for ergonomic use.

A pivoted wearable controller keeps rotation centered in hand motion, reducing singularities, fatigue, and surgical control errors.

Magnetorheological fluid resistance lets work vehicle joysticks vary stiffness with movement and conditions for safer, more precise control.

Dual lift screws and linked gear boxes raise a loaded feeder shelf evenly, improving feed flow adjustment without heavy reinforcement.

Pivot plates and idler plates split clutch cable pull across multiple pivot points to cut lever effort while preserving clutch release.

A pedal-driven energy generator powers wireless signal control, cutting cable complexity and enabling safer sequential torch and LCD filter activation.

A cam groove and biasing member keep the unload lever in stable push-down or pull-up positions, preventing accidental loading-state shifts.

Roof and floor cams rotate a square plunger to lock stable in and out positions while keeping the push button rugged and low cost.

Vertical pedal stacking and angled actuation surfaces reduce console depth, ease fatigue, and help avoid inadvertent pedal presses.

A detachable joystick control unit lets operators steer and reverse outdoor power equipment from a safer position, reducing entrapment risk.

A switchable side-console lever folds to a non-used position, reducing operator obstruction while preserving reliable loader control.

A nested rotary handle with capacitive position sensing lets one joystick control boom and bucket motions with one hand while limiting added complexity.

Textured surfaces and varied lever arms help endoscope knobs resist wet-glove slippage, cut thumb torque, and improve control precision.

Preloaded bearing bodies and adjustable stop surfaces hold the grinding gap steady under radial force, improving ground material homogeneity.

A Bluetooth-linked blood pressure monitor guides pacemaker rate changes to lower resistant hypertension while avoiding excessive pacing.

Steering wheel vibration alerts drivers to nearby vehicles, improving lane-change awareness without diverting attention from the road ahead.

A spiral-track pull unit locks the lace spool against vibration loosening while keeping the fastening structure simpler to assemble.

Ribbed knob rotation against a resilient member gives clear tactile gas level feedback, helping users set flame levels without visual marks.

A secure fixing block, return spring, and lever layout keep the brake handlebar stable, improve grip comfort, and prevent hand pinching.

Independently rotating guide discs and a restoring mechanism let a vehicle control rod hold position while reducing shoulder strain.

An integrated cyclic housing packs actuators and force sensors into an LRU to save cockpit space and simplify rotorcraft maintenance.

A hollow guide body and push member combine rotary and linear input in one vehicle knob, improving fascia design freedom without added cost.

Distinct haptic cues let one control handle switch between vehicle components, reducing cab clutter while preserving tactile feedback.

A rocker, pedal arm, and return spring create a rising-then-falling force curve that cuts pedal effort near maximum deflection and improves comfort.