Washers TRIZ Cases

See how a shipping spacer assembly merges bolt, grommet, and power cord retention to ensure spa

See how a multi-component pipe connection device prevents galvanic corrosion between aluminum a

See how dual rotatable indexing mechanisms enable coarse and fine spacer adjustments to level g

See how a suspension washer with standardized slot engagement edge reduces screw-depth errors a

See how an integrated washer with metal bearing surface and insulating outer portion prevents l

See how stackable spacers let one universal clip fit varying screen-to-frame distances, reducin

See how a polymer washer with undersized hole diameter provides frictional pressure to prevent

See how a heat-treated steel cradle with adjustable plates and spring-loaded lock secures retai

A fastener-linked continuous coil and termination rod reduce mechanical stress and failure while maintaining efficient tankless liquid heating.

A chambered rigid part and indented elastic part join through an interface element to combine strong bonding, easy separation, and better surface finish.

A plate with tapered holes and a locking set screw hides the fastener head while enabling secure swivel mounting and easy front-side installation.

A floating internal nut in a bonded standoff reduces cross-threading during power-tool assembly while allowing easy reassembly and secure retention.

A bonded composite-titanium washer conforms to sine-wave floor beam webs to spread bolt loads, raise capacity, and avoid corrosion.

Claws scrape through paint while the curved disc seats flat, improving electrical contact, stability, and corrosion resistance on coated metal surfaces.

A split dual-lock washer enables cable gland seal replacement without disconnecting cables, preserving IP protection and reducing downtime.

Intersecting circular-arc washer profiles maintain residual spring force and flat contact pressure to resist bolt loosening on cast aluminum.

A support element redirects screw tightening force into the vehicle panel, reducing housing and PCB deformation during one-sided mounting.

Elastic coatings on washers absorb vibration and accommodate thermal expansion mismatch to reduce torque loss and joint deformation.

A reference hole and slot-hole bracket lets installers align pillarless vehicle doors easily while preventing rear door sagging.

A radially expanding sleeve bridges wall gaps to mount a vehicle drive unit precisely, improving load handling, sealing, and backlash-free assembly.

A compensating element absorbs housing-to-module tolerance shifts, enabling faster battery module mounting with secure fixation and sealing.

A compensating element absorbs housing-to-module gaps, enabling faster battery module mounting with secure fixation and no welding.

A taller track nut and spacer improve clamp load retention in track shoe bolted joints, reducing vibration loosening and maintenance downtime.

Guide slopes and a cutaway support ring automatically align the tire valve electronic unit during nut fastening for secure wheel mounting.

A threaded tolerance compensator and locking tabs keep vehicle sensors aligned through assembly and repair without recalibration.

A lateral retaining groove lets heat sinks and heat-generating bodies move during thermal expansion, preventing distortion and fatigue.

Guide slopes and a support ring automatically orient the wheel-mounted electronic device during tire valve assembly, reducing skilled alignment work.

An integrated dielectric barrier and conductive washer blocks FOD at bolted joints while preserving access, fastening, and electrical isolation.

A glass-fiber outer ply over a carbon-fiber thermoplastic core resists arcing and safely distributes lightning current near fuel tanks.

An elastic-hard tube fixing member absorbs vibration from large vehicle wires, reducing load on the bolt-fastened fixing portion.

A removable eccentric head with an elastic snap lock lets the camber adjuster be assembled from the accessible side, easing suspension packaging.

An adjustable spacer between roof sheets absorbs tightening forces, preventing roof deformation while preserving sealing and roof bar fixation.

A composite washer uses a metal fuse bushing and insulating surround to equalize potential while limiting heat transfer into the battery module.

Dual spring elements with different load-deflection curves buffer structure-borne vibration and protect shield members from damage.

An annular groove creates a flexing threaded section that boosts prevailing torque and secures wheel hub retention without spindle changes.

A deformable funnel guides one-sided blind fastening, then flattens under the collar to secure holding, electrical contact, and thermal decoupling.

A ball-joint screw head and conical ring improve wheel-to-hub centering, reduce screw bending, and resist loosening under load.

Resilient legs engage a fastener to hold alignment during mounting, enabling single-operator component installation with secure attachment.

A supporting element redirects screw load to the vehicle panel, reducing housing and PCB deformation during motor vehicle device assembly.

A threaded winged compression mechanism seals gel elements in telecom closures without tools, cutting installation time while maintaining seal integrity.

A winged threaded mechanism compresses gel seals in telecom closures without tools, reducing installation time while maintaining sealing effectiveness.

A recessed clamping element presses only on mold-free baseplate areas, preventing mold damage, particle contamination, and module slip.

A prestressed elastic element engages braking faces under high axial load, protecting seat actuators from crash forces without overdesign.

A variable-inner-diameter collar holds the seat elastic element by friction, cutting molding cost while improving vibration isolation.

An insert-based wheel fastening spreads clamping load in composite wheels, preventing delamination while keeping standard stud lengths.

A dampening fastening sleeve inside a hollow screw enables tolerance compensation, secure positioning, and lower vibration transfer in vehicle mounts.

A resilient fixing member lets a cavity RF filter tuning screw be adjusted repeatedly without embossing machines or fastening nuts.

An inclined, segmented washer guides lubricant flow and compensates gear tolerances to cut differential noise, vibration, and wear.

Piercing members cut through non-conductive coatings during fastening, creating a reliable electrical bond on metal structures without sanding.

A compressible spacer protrusion forms a water-blocking wall around the bolt hole to prevent galvanic corrosion and embrittlement.

An elastic washer contact closes a circuit at target stud elongation, giving direct wheel fastener grip-force monitoring despite torque variability.

A fastening device secures the potential conductor to the main conductor before curing, reducing partial discharge risk in RIP bushings.

A biasing member keeps a vehicle seat pivot joint tight yet rotatable, reducing chucking, looseness, and noise under lateral loads.

Frustoconical clamping rings secure tire detection units under vehicle loads while enabling quick installation, repositioning, and low-wear alignment.

A movable lock stud and tabbed ring assembly let vehicle panels be removed without tools while maintaining clamping force under vibration.

A heated retention bolt expands and contracts to clamp compactor tips securely while cutting wheel tip replacement time and maintenance cost.

A recessed clamping element presses directly on the baseplate to avoid mold damage, cut particle contamination, and stabilize module mounting.

A non-conductive silicone seal isolates dissimilar metals from electrolytes, preventing galvanic corrosion in automotive connector fasteners.

A rotatable, slidable screw guide lets busbar connectors absorb module misalignment and secure electrical joints with less bending stress.

A slidable, rotatable screw in a rigid busbar compensates module position tolerances without bending force or elastic restoring force.

Rotating annular washer components set precise thickness positions, cutting aircraft assembly time while improving alignment and gap control.

A conical locking member secures an aircraft engine service tube thread against vibration and thermal loosening, reducing leakage risk.

A splined washer and grooved lock nut create a unique rotational lock that preserves torque and resists vibration in heavy-duty assemblies.

A threaded mushroom-shaped leg mount with a non-circular interface keeps rifle bipod legs secure, aligned, and easy to detach.

A breakable pre-cut spacer with a centering stud lets large parts be aligned first, then threaded rods inserted without washer interference.

Layered insulation, a support layer, and opposed screws block water-driven short circuits while holding tensile and vibration loads.

Stud-mounted retainers replace internal bore threads to prevent fluid end leakage and erosion during high-pressure pumping.

An angled fastener and washer strengthen wall-to-foundation coupling under wind and seismic loads while avoiding non-structural edge insulation.

A nonconcentric raised friction surface helps a reaction washer bite the flange early, prevent slipping, and transfer reaction torque reliably.

Overlapping slope surfaces on the nut and washer resist vibration loosening while allowing damage-free release and part reuse.

An offset upper and lower shaft lets threaded joints secure laterally misaligned parts without hole realignment, rework, or disassembly.

A hard cap body with an inclined edge and inner protrusion improves nail sealing pressure, limits deformation, and blocks rainwater infiltration.

A dual-body injection washer keeps adhesive flowing around a threaded rod, preventing false fill indications and improving anchor stability.

A recessed thrust pad and clamped connection structure preserve bolt pre-tightening force under thermal expansion, preventing gearbox loosening.

Two helical washer pieces with mating steps enable precise, repeatable thickness adjustment for accurate component clocking without deformation.

An elastically deformable sleeve and screw adjust part position and orientation while preserving radial rigidity to offset assembly tolerances.

Ball-joint fastening elements let elevator rail brackets align precisely despite wall irregularities and angular misalignment.

A sleeved cushioning layer between inner and outer nut parts absorbs impact, prevents plate deformation, and preserves camera position accuracy.

A floating metal-threaded sleeve and drag unit compensates fastening misalignment while preserving preload force in stronger mixed-material joints.

A detachable holder with elastic bolt support adjusts bolt protrusion for different cabinet thicknesses and avoids internal component interference.

Opposing threads and a metal-metal load path let this fastening assembly absorb misalignment and spacing tolerances under higher forces.

A copper seal element improves electrical continuity at the fastener interface, cutting contact resistance and electromagnetic scattering.

Pressing portions under the screw head elastically expand the washer to prevent slip, reduce wear, and maintain an airtight seal.

Tabs and complementary cap features secure metallic fastener caps faster while preserving sealant control and electrical isolation.

A fixing sleeve and metal bushing stabilize the elastic outer body, preventing twist, axial slip, and surface pressure issues under high-strength screw loads.

Integrated damping screws absorb inverter cover vibration in electric compressors, cutting noise radiation without adding complex parts.

An axially displaceable sleeve locks a precision platform to its base without thread compounds, preserving moment capacity and re-adjustability.

Two identical fastening units with nested damping elements enable tool-free assembly, adapt to thickness variation, and damp axial and radial vibrations.

A two-ring dielectric washer uses ceramic, glass reinforced epoxy, and an interference fit to resist heat, compression, and galvanic corrosion.

A hard engagement protrusion plastically deforms the vehicle frame to lock the steering gear housing in place and prevent radial rattling.

Rotationally positioned eccentric pin and sleeve compensate misaligned hole clearance, enabling fast clean assembly without drilling or adjustment.

Wire mesh washers compressed between nested T-bushings attenuate gas turbine vibration while keeping mounting hardware compact.

Rotating wedge parts generate uniform clamping force for railing plates without internal tensioning elements, simplifying one-sided assembly.

Internal threaded fastener assemblies let slipform paver wear plates be adjusted precisely while shielding the mechanism from harsh jobsite exposure.

By cutting a second arc washer from a contacting leftover area, this case raises material yield, suppresses droop, and simplifies stamping.

Internal bore threads are removed in favor of a retainer and external fasteners, preventing leakage, nut back-off, and thread cracking under pressure.

A connector bolt flange shields the seal groove from interference damage during handling and plating processes.

A swivel nut assembly uses a threaded ball captured in a chamber to secure components with angular differences.