Controlling Members TRIZ Cases

Segmented lever assembly with an unlockable lock prevents inadvertent maximum brake application during aircraft emergency operations.

A telescopic pedal unit uses nested cylinders and springs to generate progressive opposing force.

An internal lead screw and movable block adjust brake lever reach within a bracket cavity, eliminating exposed bolts for cleaner aesthetics.

Segmented resilient latches flex outward for easy installation, preserving composite pedal structural integrity.

Bending a multilayered adhesive body eliminates labor-intensive hand-application of individual wooden elements, reducing production time and cost.

An input device uses magneto-rheological fluid and torque coils to provide stable sensations while minimizing power consumption.

Dual disconnect switches and retractable power connectors in motor control center buckets.

A pre-assembled brake pedal module integrates a pivotable pedal and damping unit on a carrier component to produce mechanical resistance.

Protruding middle portion prevents side end contact with the outside coil gap, eliminating abnormal noises and improving pedal feel.

A work vehicle steering post integrates a flat panel display and operation input devices to enhance driver ergonomics.

A non-metallic single lever control isolates operators from electrical hazards while maintaining structural integrity for hydraulic valve manipulation.

A dual-axis handbrake lever integrates reverse lockout disengagement and parking brake actuation within a single pivoting assembly.

Rotatable treadle and programmable switches in a surgical foot pedal system resolve ergonomic discomfort and recalibration delays for diverse surgeons.

Magnetic attraction replaces mechanical linkages in a shift lever to eliminate abrasion and spring deterioration during repeated operation.

Pins engage guide grooves to move the accelerator pedal along a curvilinear path, resolving complexity in rotary shaft pivoting mechanisms.

Two parallel ridges on the magnetic substance cancel barrel-shaped field line distortions, reducing angle errors caused by sensor misalignment.

Stepped projections pass through elastic cap grooves to secure the plate, eliminating complex fixing mechanisms and preventing detachment.

A semi-tubular reflector discharges light through a front exit to a diffuser segment that diffusively transmits the beam.

A compact vehicle pedal uses a pivotable arm and integrated sensor housing to detect position via strain gages or Hall Effect sensors.

A belt band hinge connects pedal and base elements via fastened sections to ensure stable articulation.

Modular components and external adjustment mechanisms resolve complexity issues while enabling customizable positioning.

A spring-loaded pin apparatus moves between extended and retracted positions to secure machine handles within a housing.

A bicycle control device uses a modular second body to adapt grip surfaces and adjust lever positioning for individual hand sizes.

Segmented elastic locking portions on a holder engage a threaded stud to prevent detachment caused by creep deterioration.

Opposing measurement and correction tracks compensate tilting errors to improve accuracy without increasing device complexity.

A depression in the coupling element protects heating mats from refinishing damage while enabling continuous thermal coverage across abutting sheathings.

A wire feed assembly uses a motor-driven roll pair and a torquable collar to deliver consumable weld wire with consistent speed.

A portable hand lever attaches to the parking lock shaft to manually disengage the mechanism when the actuator fails.

A torque limiting hand wheel uses a spring-loaded pin mechanism to transfer controlled rotational force to a valve drive element.

A plastic pedal support body integrates a steel reinforcement to provide structural rigidity.

Pivot mounting reduces overall height while maintaining mechanical stability, eliminating fluid transmission components.

A shift device uses a dedicated return path to move the lever back to the Park position.

An elastic latching arm secures a hollow shaft against pull-off forces by engaging a locking recess in the carrier element.

A magnetic joystick assembly uses opposing magnets to generate a restoring force for the movable shaft.

Adjustable brake lever pivots on a fixed axis to set reach distance without altering the hydraulic cylinder piston arrangement.

Laser-cut metal sheet levers with welded bosses eliminate costly bending operations and mounting errors while maximizing operator visibility.

Integrating the drive and light guide portions reduces device complexity while achieving uniform illumination quality across the periphery.

An adjustable motor vehicle pedal employs a modular lever arm and universal mounting interface to resolve ergonomic fit issues across diverse vehicle interiors.

A vehicle armrest pivotable support arm uses a leaf spring to bias movement, allowing secure locking with minimal user effort.

Strategic sensor placement on the pedal spindle resolves measurement precision versus device complexity trade-offs for accurate pedaling analysis.

A bicycle gearshift actuation device uses a spring element to return the control lever to its neutral position.

A joint mechanism uses a rigid transmission member supported for linear motion to connect two spur gears.

A multifunction RFID remote control uses 3D Hall effect sensors to detect magnet position for selector switches and starter buttons.

A polypropylene handle secures a drive rod using a threaded fastener that self-taps into the mechanism.

Rotary dial with RGB LEDs provides clear visual feedback for brake controller settings.

A magnetic click mechanism uses permanent magnets to urge abutting members against cam surfaces.