Washers TRIZ Cases

Elastic wood or wood-plastic composite fittings with slanted-screw moldings absorb peak loads, reducing fatigue fractures and extending joint life.

A rotatable snap-fit panel fixing adjusts Z-axis spacing to align covering panels, remove gaps, and simplify nautical installation.

A flat reaction washer paired with wedge surfaces simplifies stamping while preserving anti-loosening force distribution and form-fit grip.

A tribological coating raises nut-to-surface friction so screw joints can be assembled with one tool while keeping fixation secure in tight spaces.

A tribology-enhancing nut coating raises contact friction, enabling secure screw fastening with easier assembly in tight spaces.

A bumper-backed bolt aligner constrains bolt rotation during robot socket pickup, improving alignment and reducing thread damage.

A central recess lets the polygonal washer flex during tightening, suppressing co-rotation and protecting the mounting surface finish.

Two interlocking thermal insulators block heat transfer through a bolted joint while accommodating part tolerances and easing assembly.

A cylindrical lip seals multi jackbolt tensioners in high-pressure joints, limiting gas leakage despite creep, corrosion, and lubricant degradation.

A washer-supported clamp bolt boosts turbine coupling torque capacity, prevents slip, and allows easy de-tensioning without tight hole tolerances.

An expanding bell-shaped claw locks into annular grooves in thin plates, securing shallow recess fastening with lower force and low protrusion.

Bendable fins in the plate aperture adapt to different screw diameters, securing sheet materials with one plate and simpler installation.

Radial strain sensing in a deformation section enables accurate bolt-tightening force measurement where axial gasket space is limited.

A tapered retaining and sealing washer assembly compresses radially around the mill bolt to block slurry ingress and preserve torque accuracy.

A bonded washer and nut retainer enable one-sided high-torque fastening in confined spaces without damaging the substrate.

A wedge-shaped clamp fixes flat shell elements over a large area, replacing non-releasable inserts or adhesives with a detachable fastening approach.

A visible washer-edge indicator preserves seal orientation information after installation, helping verify lightning-protection washer placement.

An offset bore lets a compact washer fully cover elongated holes in varying tolerance positions while lowering surface pressure.

A gasket-isolated transducer mount blocks body-borne clutter and vibration, improving ultrasonic flowmeter measurement accuracy.

A curved metal spacer positions the U-bolt correctly, spreads load across the frame, and helps prevent loosening and stress damage.

Elastic perforated disks spread screw preload and damp vibration, reducing stress peaks in low-fatigue workpieces under cyclic loads.

Stacked discs, recessed end plates, and supported fasteners cut stress transfer and crack spread in high-speed flywheel energy storage.

A T-plate and deformable crush washer let a thrombectomy pump sustain high-pressure saline jets while preventing leaks.

A rotatable two-part female fastener adjusts panel height along the Z-axis, enabling quick snap fixing while removing gaps and steps.

An integrated tube seal and washer let wall fasteners compress against barrier layers to block air, water, and vapor leakage.

A cylindrical sleeve creates a mechanical lock with the receiving part, cutting bolt shear load and preventing slippage in compact assemblies.

A textured stem washer creates a mechanical lock that prevents slippage under shear forces while enabling smaller bolts in compact assemblies.

Embedded fasteners in the backing plate let wear liners mount from one side, cutting installation effort and reducing wear-layer damage.

A softer insert in the structural body enables hole machining and fastening without disassembly, cutting deburring, swarf impact, and tool wear.

Integrated seal grooves and anti-rotation features enable blind assembly, secure nut alignment, and leak-resistant component attachment.

A slotted ring joint uses rigid and movable fastening plus hollow bolts to connect across planes while routing wires or pipelines through tight spaces.

An elastic securing ring locks a shaft pawl nut against loosening without caulking or cotter pins, simplifying assembly and readjustment.

Tailored CTE metering rods keep mirror and focal target spacing stable across temperature swings, reducing blur and bolt stress.

A pre-positioned replaceable sealing element cuts assembly torque and dead spaces while keeping field instrument container joints hygienic.

Complementary metering tubes with opposing thermal expansion keep telescope focal distance stable and prevent image blur across temperature changes.

A keyed insert and washer-nut structure stops carriage bolt rotation, enabling easy decorative hardware installation across fastener sizes.

An elastic packing pipe expanded by a compression nut seals soft drilled holes, resists impact pullout, and cuts extra drilling time.

Retainer elements and external fasteners secure fluid end bore components without internal threads, preventing leaks, erosion, and thread cracking.

Asymmetric coupling guides a tolerance compensation unit on a support element, enabling automated screw alignment with faster, lower-cost assembly.

An integrated pin applies compression inside structural elements, replacing protruding screws or bolts while keeping joints secure and visually clean.

A positioning element pre-holds and centers the connecting screw, enabling blind tolerance-compensating assembly without tilting.

A stepped removable shoulder screw clamps fan assemblies securely while minimizing flange bending, cracking, and mounting space.

Preloaded sealant around a mounting fastener is driven into the borehole during installation to block water ingress and protect the structure.

Discrete adhesive fastener patches seal AWB breaches to block air and water penetration while simplifying exterior enclosure installation.

Integrated clip, seal pocket, and compression limiting improve sealing, protect delicate parts, and simplify tight-package assembly.

Offsetting the washer mounting projection lets the receiving channel extend freely, reducing weight and improving force distribution.

An elastomeric sleeve on a drywall screw isolates the panel from studs, cutting sound transmission without resilient channels or added installation time.

Separated support tabs hold fasteners in a stable driving posture while reducing coil outer diameter so more fasteners can be loaded.

An overmolded wing nut pairs a rigid threaded insert with a flexible body to handle misalignment, resist torque, and simplify assembly.