Nuts TRIZ Cases

A hanger hinge uses a sleeve and locking member to secure the bolt position during height adjustment.

Resilient sheet-metal catches engage a grid on an intermediate washer, enabling precise axial adjustment and easy mounting without complex assembly steps.

A fiber-reinforced ceramic composite fastener with a dove-tail shank and matched thread forms joins structural members without thermal stress.

A planar plate with a T-mount engages an anchor plate to secure accessories without drilling holes.

A dual-prevention lock device secures screws using upper and lower clamping parts driven by a lock core.

Replacing flat surfaces with an outward protruding arc surface increases contact area, preventing deformation and looseness during repeated disassembly.

An internal channel within a clevis pin receives lubricant via a fluid fitting, preventing seizing in air brake couplings without adding external complexity.

A retaining device with bendable tabs engages split bolt slots to prevent nut loosening from vibration and thermocycling.

Integrated bristles abrade corrosion from threaded members during rotation, eliminating the need for specialized tools in tight spaces.

Flexible body maintains retaining device alignment using spring force, eliminating specialized tools in restricted aircraft areas.

Segmented helical bearing surfaces resist loosening torque without damaging mating parts or requiring additional components.

Deflectable plates adjust barb clearance to enable removal without damaging studs.

Deforming a fiber-reinforced plastic blank in a negative mold forms threads without severing fibers, reducing weight while maintaining strength.

Applying a solid lubricant to the fastener head creates a protective barrier that minimizes frictional wear on the driver blade, extending tool life.

Rotating handle compresses grommet to lock accessory, eliminating tool use and installation time.

Thermal activation softens the retainer material, allowing tool-free removal without damaging surface coatings.

A C-shaped rail assembly system uses a movable retaining element and locking claw to secure bolts from one side only.

An integrated rotating nut eliminates bolt dropping risks in confined spaces by merging retention and support functions.

A screw shank end face relief and color markings identify strength class and material quality after installation.

Elastic deformable tabs allow the caged nut to adapt to varying panel thicknesses without tools.

Segmented countersunk grooves create form-fit interlock in plastically deformable metal sheets, reducing punching force and tool damage during assembly.

A sealed blind fastener assembly uses a segmented cap and collapsible receiving member to secure within work piece openings.

Vibration and impact mechanisms in the HYTORC Z System reduce side loads and thread galling during high-torque fastener tightening.

Segmented polypropylene locking portions enable individual extraction to resolve wheel cover cleaning inaccessibility while maintaining fastening reliability.

A locking system uses a notched nut and counter-threaded bolt to prevent relative rotation of fasteners.

Snap portions on the flipper screw covers engage adjacent ribs to prevent sliding, enabling tool-free web replacement during underwater activities.

Carbonitriding hardens the self-tapping threaded surface of a suspension eyebolt, eliminating anchor requirements and reducing installation time in concrete.

A bolt caulking device uses a pneumatic punch to drive fasteners into metal plates through a vertical nose piece.

Conical washers under T-bolts allow vertical adjustment of the fifth-wheel, resolving alignment precision issues while maintaining mounting security.

A spacer device uses a drive ring and dog clutch to enable precise axial positioning between two mountings.

A steering fastening portion forms a non-circular hole using a punch and die to compress padding into a preparation hole.

Collapsible insert with knurled head and plastically deformable body section secures fasteners in thin materials.

Deflectable thread addendums store residual energy to prevent loosening caused by wear in existing interference-based assemblies.

Plastic deformation of the cap creates a mutual matching protrusion that eliminates diameter mismatch issues and reduces manufacturing tolerance costs.

A wheel-nut locking clamp uses angled flanges and elastically deformable protruding elements to secure fasteners.

A multi-stage forging apparatus shapes self-piercing nuts using sequential die assemblies and a transfer mechanism to form precise flanges and ribs.

A tapered threaded bolt and nut utilize conical helical surfaces to create an interference fit that ensures secure fastening.

Compressible lugs on the insert body engage the holder via interference fit, eliminating specialized assembly processes and reducing manufacturing costs.

Radial steps on a conic screw cap section physically block counter-clockwise rotation, preventing unintended loosening without complex friction mechanisms.

A weld adapter uses a folding securing flange to constrain bolt alignment and prevent rotation during assembly.

Discrete carrier strips with identical external dimensions enable secure fastener alignment within a single setting tool magazine.

Segmented tube diameters ensure uniform buckling across varying panel thicknesses, preventing abnormal deformations and securing reliable mounting.

A fastening device with concentric braided layers and adhesive interfaces transfers axial and torque loads across the shank.

A dowel features a flat contact surface at the shaft end to anchor securely between cover plates in lightweight structural panels.

A friction welding element with a radially formed jacket creates a pressure-tight connection between a threaded socket and a housing.

Curved thread profiles reduce tapping torque and prevent stress cracking in pliable nut anchor materials.

Arcuate tab plates with radially inner tabs prevent nut rotation under vibration, solving retrofitting complexity.