Contact Mechanisms TRIZ Cases

A switching assembly uses a monitoring switch to verify correct mechanical alignment between control and switching units.

A vibration-limiting device integrates with conducting terminals to constrain transverse oscillations during electrical connection.

A bimetal trip device uses direct and indirect heating to curve during over-current flow in molded case circuit breakers.

A U-section metal sheet with a permanent magnet recess delivers adjustable magnetic flux to guide switching arcs in low-voltage circuit-breakers.

Trip line detects wing impacts and cuts deicer power to prevent voltage hazards near fuel cells.

Composite overwrap buffers thermal stress on ceramic insulators, preventing premature failure from differential expansion.

A switch device uses a spring-urged plunger to trigger rapid tilting of the movable contact holder for fast engagement.

Bonding sheet members eliminates screws, accommodating thermal expansion while maintaining rigidity.

A light guide cover redirects beams from the light-emitting element to the keycap.

Insulation guide member on bushing-type conductor enhances electric insulating properties while reducing vibrations and noise during connection operations.

Light guiding portions redirect emission from peripheral sources to central keycap areas, resolving uneven illumination caused by limited element placement.

A latching relay uses a soft magnetic core magnetized by current pulses to hold reed switch states without permanent magnets.

A keyboard membrane switch features a hole creating an electrostatic protection zone to dissipate high currents.

A push button switch uses a light guide plate to create intricate visual patterns on the operation surface.

Segmented switch faces depress to engage actuators, enabling reliable operation with prosthetics and gloves while reducing energy consumption.

Guiding slopes on the base plate allow elastic deformation of pillars during insertion, eliminating complex two-step assembly processes.

An asymmetric scissors-like supporting structure transmits light to laser-engraved keycap patterns without obstruction.

A mechanical keyboard button structure uses a scissor mechanism and switch spindle to guide keycap movement for stable operation.

A slim illuminated keyboard integrates a sensing chip under keycaps to detect user presence and control backlight activation.

Upright barricades surrounding the switch block obliquely emitted light, eliminating glare and eye discomfort caused by gap leakage.

Replacing thyristor brakes with a diode circuit across both windings maintains reliable braking functionality above 55 degrees Celsius.

Composite materials and nesting resolve damage risks while maintaining operability of the latch release.

A relay overlap extends laterally to increase magnetic flux between the yoke and armature.

Three wire members reinforce the lower side of an elongated keycap, distributing strength evenly across the length while maintaining thin vertical dimensions.

A keyboard key structure uses a resilience arm and keycap bulge to generate tactile vibration and bright sound through elastic deformation.

Integrating spiral resonating elements into laptop keycaps provides wireless connectivity while maintaining device aesthetics and shielding performance.

A passive actuator assembly moves an arc reduction component between configurations based on proximity signals.

A combined trip and reset actuator moves a plunger to engage interfaces for circuit breaker operation.

A tap changer actuator uses a choke valve to create a pressure drop that decouples switching speed from oil viscosity and mechanical friction.

Integrated cam sliders pivot a moving contact member to reduce manufacturing costs while maintaining switching performance.

Electronic current monitoring circuit replaces complex mechanical actuators with solenoid and permanent magnet assembly, eliminating spring-biased components.

A diaphragm with translucent and opaque layers controls light propagation around a keycap perimeter, preventing irregular illumination patterns.

Replacing the backlight module with a light guide circuit board reduces keyboard thickness while maintaining uniform illumination.

A switching device actuator cap uses a segmented control contour to produce multiple distinct electrical signals through linear movement.

Elastic bridging portions absorb inertial forces during door closing, reducing peak loads on blockages and electric motors.

An actuatorless safety switch merges the locking mechanism within its housing to reduce structural complexity while maintaining reliable fail-safe operation.

Parallel sensor cords use resilient conductive members to detect activity on objects.

A stretchable template with embedded sensors measures body dimensions through tension detection.

A passive reed switch activates a complete discharge circuit through a sealed battery housing using an external magnetic field.

A relay design uses a separate inner member to secure arc extension space while suppressing holder rotation.

A backlight module uses a reflective masking layer to redirect light toward specific openings.

Movable support members link to rotate synchronously, reducing mold complexity for various key sizes.

Segmenting the connection into a C-shaped shaft hole and shaft portion resolves deformation risks while maintaining rotational stability.

An electromagnet adjusts the press-down force threshold in a vehicle operating unit, preventing unintended activation and switch damage from improper actuation.

A magnetically latching solenoid actuates bypass contacts to divert current around a failed power cell.

A switching device actuator uses pivots to move terminals between open and closed states.

Segmented bed step pressure sensors detect specific force patterns to activate tailgates, reducing false triggers from motion sensors.

A temperature-dependent switch incorporates a disc-shaped locking element to permanently secure the mechanism in an open position.

A mechanical switch structure with a baseplate and circuit board design enhances tactile feedback through physical actuation.