Contact Operating Parts TRIZ Cases

See how a toggle button with stop portion counteracts spring force to reduce trigger pressing e

See how a non-adhesive annular member maintains constant electrode spacing despite adhesive cre

See how a wrist-worn dispenser with palm-aligned nozzle enables discreet, on-demand hand saniti

See how a mechanical locking system enforces switch actuation sequence to prevent unintended mo

A hidden switch operator inside the spring latch lets the door actuate the switch while reducing contamination, tampering, and installation depth.

A rotating two-part handle actuates control switches to improve paper towel dispenser mode control while reducing switch complexity.

A common V-shaped leaf spring supports both vacuum cleaner foot pedals, cutting assembly complexity and preventing spring entanglement.

A detachable mounting base and fastener protect the emergency stop button from accidental touch while simplifying installation and removal.

A plastically deformable locking pin keeps the access lock engaged after overload, preventing unsafe opening and machine restart.

Uses existing circuit interrupter housing openings to mount an external rotary switch mechanism without mold changes, reducing installation complexity.

Dual micro-switch feedback coordinates mechanical and electronic switch timing to improve safe, reliable DC breaker operation.

A trigger lock integrated with the mode selector keeps a rotary hammer running in hammer-only mode, reducing user fatigue during continuous use.

An inductive coil-and-yoke switch removes housing openings, enabling sealed medical foot controls that withstand cleaning and sterilization.

Fixed housing and knob apertures replace breakable locking links, preventing accidental or unauthorized circuit disconnect operation.

Clearance around movable button adapters compensates for uneven wall mounting, keeping switch buttons aligned with cover plates.

Shape-memory alloy actuators switch a circuit breaker handle directly, cutting bulky transmissions, electronics, and manual effort.

A clamp-on base mounts over a paddle switch to add wireless load control without wiring while keeping controllable lights powered.

Optical sensing verifies the actual light output of emergency stop indicators, catching display faults that electrical feedback can miss.

Elastic return arms and a key stop recover play, cut housing bulk, and keep microswitch button travel short and stable.

A torsion spring, lock, and electromagnetic trigger enable easy handle operation and immediate free tripping in electrical control switches.

A protruding cover and support abutments improve tactile detection, cut actuation force, and prevent false presses in axial switches.

A sliding block and spring-biased arm assembly actuates a microswitch to improve circuit interrupter trip reliability and reset self-testing.

Angled arc-extinguishing plates guide and cut off DC switch arcs, reducing contact melting, deformation, and safety risk.

A switchable blocking assembly lets a rotation shaft translate only at intended positions, preventing accidental axial movement and misoperation.

Integrated latch bolt and strike plate leads transfer power and signals through door closure, reducing wiring complexity and battery upkeep.

Rotating movable contacts and sequential gate plates guide and cut off arcs during current interruption, reducing switch melting and deformation.

A separated exhaust and downward inlet layout keeps arc dust out of the compression chamber, preserving dielectric strength and reducing late restrikes.

A switch in the tailgate power circuit disables inner gate panel movement when towing gear is coupled, preventing impact damage.

A bottom-up relay drive structure uses a retained stopper and arc isolation portion to prevent part shift and extend reverse electrical life.

An arc introducing plate redirects switching arcs into an extinguishing assembly, simplifying DC contactor construction and reducing contact burn.

Preparation-based perfusion control suppresses cutting-induced turbidity in joint liquid, preserving visibility during arthroscopic tissue cutting.

A compliant slidable link built into the actuation knob cuts assembly complexity and tooling while enabling one-handed locking against accidental switch movement.

A sliding lock switch and pivoted start switch on opposite sides of the handle prevent accidental power tool activation.

An axial sliding pressing component resets the circuit breaker tripper without a separate panel button, saving space and preserving sealing.

A micro-switch and sliding block module adds self-test and stable trip-reset action to catch wear-related failures in circuit interrupters.

A covered terminal arc-breaking plate steers arcs through parallel plates to improve quenching and keep thermal stress inside the arc chamber.

Tap-detected acceleration lets a wireless footswitch replace mechanical switches and cables, improving tattoo machine mobility and control.

Conductive paint links alarm contacts during manual actuation, replacing bulky mechanical parts to simplify assembly and improve reliability.

A sensor-driven solid-state switching circuit replaces mechanical contacts to stop arcing, extend switch life, and support IoT monitoring.

Rotating connection rod arms and inclined core-column geometry keep keycaps level while reducing friction and mechanical interference.

Visual confirmation is built into contactless aerial image input by switching the light source off on detection, while the integrated optical layout reduces thickness.

An external gear-adjusted limit switch lets users fine-tune spindle travel length and end position without disassembly or special tools.

Magnetic actuation replaces fault-prone inductive sensing in vehicle plant hot zones, enabling reliable component detection with less downtime.

Multiple socket-pin contact points with resilient lamella strips spread current, cutting resistance and preventing welding at high load.

A plunger-pressed conductive membrane on a PCB simplifies appliance controls, reduces stacked-part tolerances, and supports modular input layouts.

A switch-actuator cutoff blocks inner gate panel power when towing gear is attached, preventing tailgate and hitch damage.

Dual-switch lock monitoring and door position sensing flag machine tool door abnormalities before unintended unlocking during operation.

A resettable limiting member blocks full trigger travel on the first press, reducing erroneous operation while preserving normal use.

A linkage rod routed through a grooved bottom plate preserves long-key stroke in thinner keyboards and improves operation reliability.

Capacitive and piezoresistive sensing enables proximity, touch, and accurate force detection on curved surfaces with less mechanical pre-load.

Multiple ribbed pin-socket contact points distribute current to resist welding and survive 30 kA short-circuit loads with low actuating force.

An auxiliary assembly returns the handle to open after tripping, enabling free tripping with two stable states and simpler switch operation.

A semiconductor stage opens the circuit before mechanical contacts, enabling forced galvanic isolation without arcing or complex extinguishing parts.

Overlapping pivots, base holes, and angled support arms stabilize compact long keyswitches by reducing moment arms and deformation.

Aligned sliding, holder, and base holes shorten force paths in compact keyswitch supports, reducing torque and improving keycap stability.

A telescopic handle link lets the switch return to open after tripping, cutting stable states from three to two and reducing mis-operation.

Dual micro-switch feedback coordinates mechanical and electronic switch timing to improve high-voltage DC breaking reliability.

A low-profile limit switch uses a bowed spring actuator to advance bridge contacts for reliable position sensing.

A keyboard key structure uses a segmented elastic element with supporting ribs to increase travel distance and enhance tactile feedback.