Controlling Members TRIZ Cases

Pedal pad rotation and vibration positioning elements correct missteps by guiding the driver's foot to the correct pedal.

A stove knob assembly uses locking legs and buttons to secure the valve stem in the off position.

A spring mechanism with dedicated arms stabilizes a rotating lever, preventing coil movement and abnormal noise when pressing force reverses.

Elastically deformable elements on the handgrip engage a conical shaft collar to eliminate axial and radial clearances that cause noise and inaccurate rotation.

Non-parallel detent sides in the shift gate pattern compensate for cable lash and overtravel, ensuring complete gear shifts without unintended position changes.

A rotary lever mechanism integrated into the accelerator pedal pad prevents unintended rotation toward the housing.

A sidestick controller grip features a concave thumb rest and split face pushbuttons to enhance pilot tactile feedback.

A power-driven working device control unit maintains constant output power during cruise mode while allowing immediate adjustments via dedicated switches.

A parking lever extends forward of the handlebar grip section to reduce operating force without encroaching on surrounding components.

Nested silicone insert prevents accidental push-turn activation while resisting heat damage and breakage.

A lockable pivot joint uses a spring-biased push-button assembly to enable multi-position locking between connected shaft members.

A foldable pedal system conceals accelerator and brake pedals below the driver seat during autonomous driving.

Dual thrust springs replace fragile torsion springs in a fold-away handle, preventing jams and ensuring automatic collapse.

Channel support bracket accommodates dimensional errors by allowing lateral portion rotation, eliminating precise shaft alignment requirements.

A transmission position indicator uses a light guide plate with diffusion ink patterns to distribute illumination from a single source.

Segmented magnetic elements in a rotary actuator generate multiple latching positions through rotational alignment.

A wheel button structure uses a stopper moving along a guide hole to provide tactile feedback during rotation.

A pump jack crank handle uses a spring-loaded pin and toothed plate to lock the shaft against rotation.

A splined shaft enables a tray sub-assembly to slide for ergonomic positioning without breaking the mechanical linkage between the pedal and valve.

Stacked platforms with rollers and torsion springs enable precise endoscope movement while eliminating button confusion and foot slippage errors.

An integrated inductive sensor assembly employs a reference coil to compensate for common mode variations, eliminating mechanical calibration needs.

A vehicle door handle uses a return spring to pivot a locking lever against the pulling lever.

Magnetic attraction replaces mechanical springs in a vehicular shift device, eliminating wear and enhancing durability.

Replacing contact switches, the device employs an adjustable hollow fastener to optimize magnetic spacing for higher sensitivity.

A coupling element on the alternator shaft drives the high pressure turbine sub assembly.

Elastic retaining portion opposes actuator movement at a threshold position, preventing unintended control mode switches in heavy duty vehicle remote controls.

Flexible blades guide lever rotation and produce adjustable return torque, eliminating friction-induced measurement errors.

A pedal effort reduction apparatus uses a lever mechanism and elastic body to distribute load across multiple support points.

A load transfer portion connects a pedal-backward-preventive bracket to a head-up display mount bracket within the vehicle instrument panel structure.

Rotating adjustment knob with a manually actuatable latch enables tool-free sliding exchange of indicator rings for rapid adaptation to shooting conditions.

Segmented actuating lever pivots orthogonally during impact, redirecting force away from the driver's knee while maintaining operational stability.

Reverse throttle grip rotation triggers electric motor to engage caliper, eliminating dedicated mechanical linkages and reducing structural complexity.

Variable depression force control prevents excessive pedal depression by gradually returning force increase amounts when driving regions change.

A foldable pedal apparatus moves a pedal pad between exposed and hidden positions to prevent accidental operation in autonomous driving mode.

Curved rotor and holder surfaces guide spring compression along an arc path, eliminating linear sliding wear that causes jerky pedal movement.

A curved rotatable body directs debris away from the accelerator pedal arm opening to prevent foreign object intrusion.

An electronic clutch pedal assembly uses a rotating biasing device to simulate mechanical linkage feel while enabling free rolling for improved fuel economy.

Pivoting a printed circuit board about a transverse axis reduces assembly complexity while maintaining precise movement detection.

A cantilever arm positions the activating switch for convenient one-handed thumb operation in a unitary cordless dental drive apparatus.

A straddle vehicle master cylinder nests behind the footrest bracket with a horizontal axis to hide components and reduce assembly complexity.

Non-slip polymer base prevents pedal slipping on wet floors, eliminating setup time and ensuring stable positioning during performance.

A pedal assembly uses a slider bracket with shear tabs to allow arm rotation during impact.

A waterproof rubber outer-wall recess receives an upper-case projection with a gap to prevent compression damage during assembly.

A remote controller mechanism uses a main frame and auxiliary frame to transmit lever movement.

A four-bar linkage mechanism rotates a spacecraft payload element about a virtual pivot point near its center of gravity.

An intermediary steel clicking plate protects the lightweight aluminum rotational element from wear against the steel clicking sheet, preserving click accuracy.

Rack and pinion gear mechanism with compression springs provides adjustable haptic feedback in a compact electronic throttle control assembly.

A haptic actuator generates distinct tactile signals for each shift button to prevent erroneous gear selection.