Contact Mechanisms TRIZ Cases

An adjustable interlink lets a grounding switch stroke be set independently from the circuit breaker, helping prevent voltage surges and cut wind turbine costs.

A permanent magnet core and rapid reset mechanism simplify reclosing switch actuation for stable contact opening and closing with fewer faults.

An embedded high-modulus reinforcement stiffens the keycap support to keep low-profile keys moving levelly without extra balance bars.

A sub-5 mm wireless sensor assembly fits door and window cavities for hidden retrofit installation without drilling, insulation loss, or visible hardware.

Electromagnetic induction powers a rotary audio control without contact, enabling precise touch detection while avoiding mechanical noise and drag.

A C-shaped supporting pin secures the movable contact in a DC relay, preventing escape under weak spring support or external force.

An integrated dual-scissor linkage keeps a long keycap level while removing balance rods that add assembly damage risk and collision noise.

A checkerboard or mesh light-absorbing pattern narrows keyboard backlight exit angles to cut light leakage and user glare.

A nested inner and outer tubular breaking member extends and traps the arc to cut material loss and improve interruption reliability.

A latch-biased contact spring balances contact force for multiple relay variants, cutting part variety, power use, and contact bounce.

Two independently driven movable electrodes speed short-circuit making and breaking while reducing impact, misalignment, and wear in HVDC interrupters.

Multiple pivoting portions and linked brackets replace the balance bar to steady keycap travel and reduce bottom-plate collision noise.

A flat spacer recesses the light source below the base plate to avoid keycap interference, protect the LED, and keep the keyswitch profile even.

Opposed contact motion with a Thomson coil or piezo actuator speeds vacuum interruption while reducing moving mass and actuation energy.

A shaft-end setting device enables stepless post-manufacturing contact spacing adjustment to meet isolation requirements in electrical load switches.

A resilient spring lock on the base prevents spring disengagement in small relays, improving press-fit retention, sealing, and manufacturing cost.

An electronic latching circuit replaces the holding coil in an illuminated pushbutton switch to cut power use, heat, weight, and shock sensitivity.

An integrated electronic latch replaces the holding coil to cut power, heat, shock sensitivity, and switch size while adding blink control.

A recessed contact surface on the reinforcing member concentrates preloading force to improve structural rigidity while maintaining operating feel.

Segmenting the breaking point into two locations reduces arc energy per pole, enabling 600 Vdc handling without increasing enclosure size.

A monitor housing mounts over existing lock assemblies to detect panel status without drilling new fastener openings.

An asymmetric keyhole and rotating wheel mechanism ensures reliable power control by preventing accidental activation from external objects or children.

A switch apparatus uses a three-dimensional heat dissipation structure to conduct thermal energy from internal components to an exposed front surface.

A hinged electrical box cover uses a cam device to mechanically actuate a micro switch that cuts power when the lid opens.

Segmented housing spaces with adjustable holes regulate internal pressure, accelerating arc extinction while maintaining high insulation reliability.

A fire alarm pull station with a front accessible address programming interface allows network-connected reconfiguration without physical disconnection.

A light guiding membrane switch integrates a reflective layer to direct illumination from the keycap surface.

Relocating conducting sections away from the central axis eliminates light leakage and ensures uniform illumination across the key cap.

A tiltable member with electrically conductive components measures capacitance changes to detect user input.

Replacing the electromagnetic holding coil with an electronic latching circuit reduces power consumption and heat generation while improving shock resistance.

Integrated compression springs in motor actuators optimize contact pressure while reducing component count and assembly complexity.

A light source board uses a metal reactive layer to enhance conductivity and emit uniform light.

A key movable arm features a bend part that surrounds the key cap bottom to provide a support plane.

A single light guiding substrate with integrated assembly structures replaces multiple optical plates in illuminated keyboards.

A power self-identifying energy harvester system uses environmental sensors and a controller to regulate electrical output.

Bent metal wire creates a cross-connected scissor mechanism that reduces mold costs and assembly time while maintaining structural strength.

Segmented pre-electroplated contacts resolve manufacturing availability constraints while maintaining reliable current handling across the 10 mA to 5 A range.

A control unit with a locking disk and setting shaft enables manual operation of generator circuit breakers.

A condition monitoring system analyzes switchgear operational data to identify faults and generate maintenance recommendations.

A monitoring circuit determines auxiliary contact status by measuring voltages at circuit interruption device terminals.

A single operation member integrates multiple operated portions to detect rotational displacement and contact targets for command output.

Rotating waveguide rotor transfers RF signals between coax connectors without physical contact.

Integrating relay and switching circuitry on a single chip reduces device volume while minimizing signal degradation during power detection transitions.

Cantilevered upstop arms on a segmented metal dome constrain upward travel to deliver reliable tactile feedback for short-travel keyboard mechanisms.

A simplified power switching circuit uses a discharging resistor to manage voltage transitions in liquid crystal displays.

A light guiding plate with condensing patterns directs LED illumination through keycaps for uniform backlighting.

An elastic hook structure absorbs assembly stress through deformation, preventing plastic hooks from breaking or deforming.