Controlling Members TRIZ Cases

Motor-driven spring adjustment varies accelerator pedal effort to reduce force during lane changes and increase it during cornering maneuvers.

Line contact reduces shock impulses and noise in latching devices without lubricants.

A pedal bracket with fitting protrusions secures the accelerator mechanism to the vehicle floor.

Lever arm intermediary stabilizes active control against drive force variations while enabling quick response and complete return.

An industrial vehicle control lever positions a switch button on the control knob to reduce operator pushing force during clamping operations.

An integrated positioning member with elastic arms replaces bulky spring plungers in dial wheel mechanisms, reducing device complexity and assembly volume.

An elastic steering knob adjusts wheel positions in autonomous modes while reducing device complexity.

A parking brake actuation device uses a linear handle to move a pawl directly.

Nested lever grips on a marine propulsion control device accommodate different hand sizes by stacking controls along the pivot axis, reducing operator fatigue.

A bell crank actuated stop member prevents brake pedal over-travel, maintaining linkage engagement and preventing component disengagement.

Direct peripheral gear engagement eliminates intermediate stages to remove backlash, reducing device volume and manufacturing costs.

Elastic bending arms detect foot tilting and rotation, enabling wheelchair operation for users with musculoskeletal disabilities.

A control unit uses an inner knob that moves between projected and retracted positions to lock the outer adjustment ring.

Single mold forms plug housing and lever to eliminate separate handling costs and material waste from independent manufacturing.

An inclined protruding portion on the grip merges pulling and swinging motions into one action, resolving operability issues in vehicle gear shifting.

A slider moves along a slideway to extend the handle, increasing the arm of force without enlarging the rotating wheel diameter.

A foldable pedal apparatus uses a rotary plate to transition between exposed and hidden states.

A magnet brake stick device uses magneto-rheological fluid to adjust rotational resistance via electronic control.

A brake pedal shock absorbing device uses a locking pin removal mechanism to rotate the lower pedal arm away from the driver.

Integrated connecting portions transmit lever motion and provide elastic restoring force, eliminating separate springs to reduce structural complexity.

Segmented friction members and spring urging prevent pedal jamming while maintaining hysteresis characteristics.

Adjustable throttle pedal assembly shifts idle position via intermediary member to maintain sensor alignment.

A pulling tool with a telescoping shaft and prong members attaches to a handlebar for guided vehicle control.

A brake pedal sleeve integrates a protection rod and adjusting screw to secure the throttle area.

Bell cranks and Bowden cables connect twin foot pedals to the engine throttle, eliminating manual hand lever adjustments and reducing operator workload.

A sliding footrest device retracts into dashboard space to maximize interior volume in autonomous vehicles.

Mechanical detents and a brake provide haptic feedback to resolve clarity issues in rotary menu navigation.

Merging multiple plates into one reduces manufacturing complexity while local quality features maintain strength and rotate the pedal arm away from the driver.

Rotatable unlocking device applies traction via cable to release railway vehicle brakes while protecting components from impacts and dirt.

Gravity keeps the sloped first surface horizontal, allowing quick cleat attachment without manual adjustment while accommodating different racing sets.

Nested truncated cones in the pedal actuator deflect misaligned push rods during assembly, preventing damage to brake or clutch devices.

Multi-component injection molding merges a coated ring with an actuating part to eliminate separate assembly steps and reduce manufacturing complexity.

A reaction force pedal device uses a clutch to temporarily disengage the motor during displacement.

Segmented cable actuators resolve accessibility contradictions by mounting handles away from tires while maintaining secure braking via spring-biased pins.

Relocating connectors to a protected housing under the steering column eliminates blind assembly in cramped areas.

A rotary knob assembly integrates a stationary electronic display within its central opening while actuating a potentiometer through a transfer gear system.

Segmented rotary rings minimize screen obstruction while magnetic interactions deliver stable support and tactile response.

Rotatable junction parts in the toggle mechanism resolve the conflict between high lever ratio and small output stroke, achieving greater braking force.

Nested light guide members ensure concentric alignment, resolving cumulative tolerance shifts that cause non-uniform illumination in vehicle audio knobs.

Nesting an actuator within the brake shaft enables autonomous braking while minimizing retrofit complexity across vehicle models.

A knob input device uses an electromagnetic brake and elastic member to regulate rotation angles with minimal power consumption.

A pendulum stopper on the base stabilizes pedestal rotation using gravitational force.

Eliminating intermediate gears in the dial transmission reduces backlash accumulation and component count while maintaining torque.

Integrating contact surfaces with step structures eliminates dedicated guides, allowing springs to overlap and reducing support member size.

A handheld control unit moves a cable to rotate an ignition key via a spring-loaded pulley plate.

A rotation knob with a biased tab and lock mechanism stabilizes the operating position, resolving instability issues in chain saw controls.

An electric motor applies controlled force to an operating element, generating precise haptic feedback through programmable detent simulation.