Contact Operating Parts TRIZ Cases

A multi-pole switch-fuse arrangement uses a spring-loaded lever mechanism to transfer motion from a single switching lever to multiple drive rods.

A U-shaped flipper mechanism pivots to establish electrical contact with terminals inside a housing.

A portable sensor detects conductive liquids using electrically conductive members separated by a gap that bridges upon contact.

A switch device uses a tall pusher to transfer operating force from a knob to sequential manual and automatic switches.

A removable push button switch uses a rotatable lever and spring to open contacts when the switch portion separates from the operation portion.

A rotor and contactor bridge electrical contacts to control power based on rotational position.

A keyboard key structure uses a protective frame to secure internal components.

A rotatable latch encapsulates a switch to prevent accidental activation, eliminating connector pin damage from wire disconnection.

An actuator compresses a keyswitch rubber spring to detect cover status, eliminating expensive hall ICs and precise positioning requirements.

Elastic arm constrains extension portion against limiting surface to prevent accidental detachment while maintaining smooth actuation.

Diagnosing mechanical wear and energy loss in switchgear drive mechanisms by comparing measured pole shaft rotation angles against initial operating references.

A resilient clip in the clutch disconnects the transmission shaft from the driving unit when excessive force acts on the propeller.

A push-button switch lock lever unit uses a movement regulating portion to verify proper mounting alignment before locking.

A bistable liquid crystal display module uses a pressure mechanism linked to the actuating handle to update visual information without auxiliary power.

A spring-loaded mechanical bridge transmits actuation force to an electrical switch handle while absorbing excess energy from the drive mechanism.

A keyboard key structure uses a segmented connecting member to trigger separate optical and membrane switches during downward travel.

A switching device uses a locking plate to constrain handle shaft rotation at the off position.

Stacked convex disc contacts provide distinct tactile feedback while maintaining mechanical stability in a compact design.

A modular electric deadman switch uses a wrist-hinged lever and molded cord assembly to simplify manufacturing.

A combination switch device merges clutch and ignition-lock functions into a single unit using sliding electrical contacts.

A sliding hinge mechanism enables door access in low-profile cabinets.

A foldable electronic apparatus uses a cam-driven pivotal mechanism to unfold covers and adjust the keypad for ergonomic typing comfort.

A resilient C-shaped clip secures over a push-pull circuit breaker knob to prevent inadvertent depression.

A movable rocker arm locks the tension lever in the OFF position to prevent unwanted tripping signals from actuating the switch.

A mechanical switch incorporates a plug-in electromechanical actuator unit for remote state changes.

A trigger mechanism uses a coil spring and magnet to generate tactile feedback upon activation.

A dual-actuator switching mechanism uses linked arms to depress a single switch actuator, simplifying the control interface.

A power tool switching device uses a guide unit to convert linear control element movement into transverse swiveling motion.

Segmented cover assemblies add remote control to existing switches without replacing units, resolving cost and complexity trade-offs.

A limit switch assembly uses a drain hole to remove water from the housing volume.

A dual evaluation circuit arrangement detects actuator switching states using independent voltage dividers and a movable contact means.

Adjustable spacer reduces flexible element length to enhance pressurizing device stiffness.

A resilient arm protrudes into a housing opening to block switch movement, preventing accidental power tool activation.

A safety switch integrates a slide key device with a slider to withdraw an actuator from an operating portion.

An elastically deformable switch arrangement integrates into lift handrails, resolving space constraints while maintaining structural robustness.

A keyswitch device uses a stamped metal supporting seat and injection molded plastic key cap with interlocking hooks to restrict horizontal movement while allowing vertical actuation.

A toggle switch operating mechanism uses a dual roller head to convert linear bar movement into rotational handle motion.

Replacing electronic signals with a mechanical linkage ensures reliable trip indication when actuator control fails.

Asymmetric coil spring placement eliminates vertical axis moment on the plunger, extending component lifetime and simplifying design.

Integrating a snap-action disk with the electrical unit boosts actuation force while maintaining precise stroke control for vehicle door systems.

Bearings disconnect the force path at maximum load, preventing damage to prototypes and load cells while maintaining accurate measurement.

A U-shaped link member extends the movable arm to increase contact separation distance in electrical switching apparatus.

Foot-operable switch in adaptor assembly controls power flow between battery pack and hand tool, enabling hands-free operation during demanding tasks.

A photoelectric mechanical keyboard key assembly uses a deflector and swing arm to reduce shaft travel distance while maintaining structural stability.

Detects relative position between operator and foot switch using spatial signals to resolve control accuracy versus visual attention trade-offs.

A capacitive operation member detects user proximity through the conductive housing surface.

A spring cup guides a toggle seat within a compression spring to eliminate clearance and ensure consistent switching motion.