Washers TRIZ Cases

Erected support tabs hold fasteners at two positions to stabilize driving posture while reducing coil diameter and increasing magazine load.

A fastener-mounted sealant reservoir fills apertures and boreholes during installation to block water ingress without separate flashing.

An internal sealant reservoir seals roof penetrations around fasteners with cleaner installation, visual verification, and added moisture protection.

A cap screw, internal seals, and corrosion inhibitor keep underwater fastening screw threads sealed, protected, and removable for retightening.

A sliding adjuster and inclined fastening geometry fit varying lift guide wing thicknesses while maintaining load resistance and low friction.

A cam-driven clamp assembly secures cylindrical parts with uniform force, reducing machining effort while resisting vibration and loosening.

A retainer element with external studs or screws seals fluid end bores without internal retaining threads, reducing leakage and thread failure.

A cam-driven clamp ring applies uniform force to cylindrical parts, reducing custom machining while improving stability under vibration and motion.

A breakable score line and centering pad position the spacer washer accurately, then clear the shank path to simplify assembly.

A retractable support leg and actuator let small panel clips be placed accurately, then deployed for secure retention and clear tactile feedback.

A dual-curved bicycle adapter mounts operating devices to a shared clamp, reducing handlebar clutter while preserving secure, adjustable positioning.

Elastic holding arms keep a fastener centered before installation, then allow transverse movement to absorb tolerances and prevent loosening.

A centering sleeve keeps the washer coaxial with the fastener during tightening, preventing skew, uneven loading, and rotational imbalance.

Ramps and shoulders with axial rise above thread pitch resist rotary loosening under vibration while preserving preload and load capacity.

A cam or spring-driven washer expands as components shrink or shift, preserving fastener tension and compressive force over time.

A star-hole retention washer locks propeller nuts against vibration loosening while enabling quick, repeatable removal with standard tools.

Precise nip-roller cooling and continuous roll molding improve molecular alignment, crystallinity, and strength in frangible cap strips.

A two-stage blind hole forms the shaft-head undercut by indirect material displacement, preserving a flat end face and improving sealing.

A ball-and-socket anchor plate stays flush on leaning masonry walls, keeping force distribution even and limiting cracking over time.

A paper-layer screw band with waterproof insulation films holds screws and washers securely while enabling automated coating and baking.

A stepped plug seat with radial and axial contact surfaces centers the gasket and prevents bore leakage without complex machining.

Oblique elastic contact elements center the anchor rod while a spaced centering ring avoids axial displacement and allows full mortar encasement.

A centering element guides screw insertion in a tolerance compensation fastener, preventing tilt and driver damage during high-torque assembly.

Tailored thermal expansion materials keep fastener clamping force stable across temperature swings, reducing loosening, fatigue, and failure.

A tailored temperature compensating member offsets thermal expansion mismatch to keep fastener clamping load stable across temperature changes.

Multiple insulation layers, a support layer, and opposed screws keep mounted systems electrically isolated and stable under water, load, and vibration.

A creep-resistant insert shifts fastener clamping load out of the plastic housing to maintain pressure and reduce fluid leaks over time.

Aligned stacked openings and gaps keep adhesive flowing around the threaded rod, preventing false fill completion in anchor systems.

A shoulder fastener, washer, and deformable seal create face and edge seals to stop water ingress at window and door frame attachments.

A metal spacer locks the threaded compensator against creep-driven preload loss, enabling automatic tolerance compensation and reuse.

A preinstalled head nut retained in the liner passage lets grinding mill liners be mounted and removed from outside the mill, improving safety and speed.

Parallel top and bottom cap surfaces make strip-fed fastener caps reversible, improving compatibility with tools that invert caps during loading.

A caulked washer and outer seal protrusion cut assembly force, prevent seal detachment, and maintain water sealing under pressure and fatigue.

A softer insert inside a high-strength aircraft component enables cleaner fastener hole machining, reducing tool wear and deburring steps.

Thread gaps and knurling remove sheet-metal burrs during drilling, protecting sealing washers from rust stains and leaks.

A lath-mounted connector shifts fastener loads away from porous panel sheets, improving rigidity and load-bearing in lightweight room dividers.

Differential-diameter holes and meshing serrations speed aircraft member alignment while cutting boring time, part count, and coupling cost.

A stamped convex stainless disc maintains screw preload without heat treatment, improving corrosion resistance and spring effect in fasteners.

A reinforced back plate with slot-hole layout and conical washers preserves retrofit mounting flexibility without losing door fitting security class.

Non-conductive bushings, gaskets, and an O-ring isolate dissimilar fasteners and block water ingress in removable covers.

A sleeve-and-retainer assembly captures longer fasteners in thin components, eliminating welding or spacers while improving clamp load and assembly speed.

A U- or C-shaped shim uses elastic restricting pieces to stay on a pin, simplifying axial clearance adjustment without fall-off.

Edge projections with inner and outer ridges compress to grip both tube and mount, reducing wobble while keeping installation practical.

A centering sleeve inside the socket keeps the washer coaxial during tightening, preventing skew, uneven loading, and rotational imbalance.

Small connecting elements are linked in arrays with holding arms so electroless coating adds hard particles efficiently and lowers production cost.

A threaded upper and bottom cover replace multiple screws to simplify maintenance, save space, and keep communication equipment waterproof.

Resilient tabs with different deflection resistance let one fastener fit varying stud diameters with lower push-on force and secure locking.

A compression nut expands an elastic packing pipe to seal soft drilled holes, improving impact resistance and preventing water leakage.

A perimeter cutting edge and downstream compression surface let wood fasteners sit below the surface without pre-drilling, splitting, or weak joints.

Countersinks, chamfers, and compliant washers self-center the bolt and nut to cut stress concentration and fatigue in aircraft joints.