Contact Operating Parts TRIZ Cases

Slidably engaging electrical contactors replace flexible wires in a pivot lever assembly, preventing premature wire fatigue during repeated pivoting.

A pivotable handle bearing pin contacts a moving arm to reduce friction and wear during repetitive operation.

A blocking member stops terminal molding resin from entering a hollow insulator, preventing electrical short-circuiting of electrode wires.

Segmented rocker body and cap use snap-fit engagement to eliminate two-step molding shrinkage and reduce tooling costs.

Raised structures with perforated lateral walls allow hook penetration for pull-out resistance, reducing fabricating costs compared to in-mold injection.

Control device assesses passenger status via sensor data to prevent unnecessary rescue signals.

Flexible finger cover plate conceals the vertical slot to prevent debris entry while maintaining standard faceplate dimensions.

Rotatable rim element couples to a capacitive touch sensor ring segment that detects user hand presence before physical contact occurs.

A pivoting lever actuates a microswitch to ground the ignition coil while closing a petcock valve.

Segmenting transparent electrode layers into detection and connection pad regions to maintain uniform capacitance distribution across touch surfaces.

A locking assembly uses a resilient member to automatically secure a switch in the OFF position.

Annular flanges create moisture barriers in railway electrical contacts, preventing corrosion-induced signal failures.

A rail vehicle actuator uses a cam profile to transfer lever motion into multi-position switching.

A lockable rotary handle integrates a vertically displaceable locking collar with guide grooves to secure multiple padlocks on electrical switching devices.

A foot switch pedal member uses a support portion to balance elastic forces from the applying mechanism.

Segmented electrical connections with irregular inner sections enable easy extraction from thermoplastic bodies.

Axial force mechanism prevents shaft displacement during mechanical shocks, maintaining RF connectivity in rotary switches.

Moveable guide shafts and compression springs in the alignment fixture compensate for enclosure variations, reducing manual adjustment time.

A U-shaped balance link with L-shaped ends constrains keycap movement to improve mechanical steadiness.

A pivotally mounted retention arm accommodates varying device dimensions to ensure reliable electrical connections.

A pull-to-turn knob assembly prevents inadvertent switching by engaging an upper stop member with a lower stop member on the cam.

Wave-shaped busbars with sloping root portions eliminate complex slider positioning and reduce assembly costs.

A telescopic pump reset lever deploys from a retracted position to an extended length for manual operation.

Parallel locking slides distribute actuation forces to reduce material wear and maintain secure switching under high loads.

A pivoting ratchet element bearing unit enables uniform lifting movement across the entire operating surface of an angle grinder grip.

A fluid-displacement bladder moves a magnetic item through a coil to generate electrical current for visual inventory indication.

A pivoted knob rotates to touch power or restart switches, replacing button presses with directional rotation for easier operation.

A toggle assembly uses a disk spring and redundant contacts to switch electrical signals reliably.

Fasteners through aligned apertures lock the collar in place, preventing unintended disconnection from shock and vibrations.

Compass-sensor footwear acquires foot gesture features to replace hand-based inputs and enable natural hand-free interaction with electronic devices.

A gimballed scroll wheel merges a mechanical switch with a touch pad to detect position and movement simultaneously.

A universal switch restraint device uses a channel and lever arm to accommodate various switch handles.

Rotating movable contact disconnects the circuit during unwinding, preventing overheating without requiring complete wire removal.

Nested actuating member transfers force from exterior handle to internal button, resolving inaccessibility caused by protective casing.

Segmented guide elements align a sliding push button, preventing misalignment and reducing wear on friction surfaces.

A switching device auxiliary contact configuration uses distinct control elements to manage contacts in separate positions.

A trigger mechanism with a locking system that maintains the ON position without continuous operator input.

A keyboard key structure uses a projection between the scissor mechanism and circuit board to distribute pressing force.

A lockout switch detects dead front removal and actuates a shunt trip breaker to disconnect power.

A rotatable locking element with a bolt engages a support plate recess to mechanically secure the switch-on button.

A bed sensor uses piezoelectric energy harvesting to generate control signals wirelessly without batteries.

A switch mechanism maintains power supply ON state using a state holding member and return spring regulation.

Integrated spring contacts armature directly to enable flexible common trip function across multiple poles.

A self-deactivating tethered interconnection system uses a proving circuit to detect connector states and automatically disable power transfer.

Counteracting biasing elements enable a robust switch to detect slight container openings while maintaining a compact profile for harsh environments.

A movable window assembly shifts laser transmission positions to maintain sealing while avoiding pollutant accumulation on the optical surface.