Nuts TRIZ Cases

A bolt mount system uses a tang extending from the head and a retainer with engagement slots to secure heavy components without tools.

A wedge mechanism drives a spring-loaded anchoring part to grip profiled section flanges.

A compensating helix rotates through a helical pull-through section to fill joint gaps during assembly.

A conical ring collar screw nut blank enables precise axial deformation into a shaped collar with flat inner surfaces.

A tapered fastening rod anchors magnetic pole pieces via form-fit geometry.

Pre-filled cap assembly with movable shell delivers sealant onto mechanical fasteners, eliminating manual extrusion and reducing application time.

Offset peg inserts lock into truck bed sockets, preventing rotation and thread stripping while allowing quick flat bed conversion.

Ratchet profiles retain tension on the coupling member, eliminating bulky external equipment for pre-tensioning operations.

Arc-shaped positioning grooves engage weight member protrusions to resolve adjustment accuracy and stability trade-offs.

A plug insert with a longitudinal cavity and barrier protects fastener holes during aircraft panel overlay.

A convex thread flank design distributes stress across the sidewall to enable secure tightening in miniature fasteners.

Reinforcing members prevent flexing of resilient fingers, securing flexible fabric panels against removal forces while simplifying assembly.

Axial bolt head absorbs bus bar displacement during fastening, preventing bending and stress concentration.

Continuous hot-rolling produces threaded rebar bolts with semi-continuous threads and no longitudinal ribs, eliminating costly cold-forming steps.

Rounded embossed edges slide over soft copper or aluminum rails without damaging surfaces, preventing arcing from preload loss.

Integral crush-locking lips deform into an internal relief cut to resist vibration loosening without extra components.

An elastic material in the bushing inner region deforms to fix the screw, eliminating rotation steps and reducing cycle time.

Continuous nut rotation achieves precise tensioning while a swaging tool locks the position by forming indentations in a retaining plate collar.

Elastomeric cap conceals fasteners and resists tampering by clamping the head within its internal cavity.

Radial anchor fins on a mounting pin increase load transfer capability in cured lining materials by distributing stress across multiple bonded surfaces.

A coupling safety pin design uses a guide surface setback to contain deformation beads.

Concave crest transition distributes stress uniformly, preventing vibration-induced loosening in fasteners.

A ring nut features a rotatable sleeve with a non-rotationally symmetrical head profile and an adjustable locking member for secure attachment.

Nested insertion eliminates external counter elements, resolving accessibility limits for mounting structural elements.

A screw part uses elastic radial elevation structures on a sleeve to generate defined friction torque during insertion into eyeglass boreholes.

A coupler with radially extending projections centers soil nails and mixes grout during installation.

Varying the thread pitch along the fastener length balances stress distribution, preventing initial thread failure and increasing fatigue resistance.

Segmented shank threads reduce torque resistance and prevent volcanoing when driving into dense composite materials.

Asymmetric thread protrusions embed into workpiece material, preventing loosening under thermal expansion or oscillation.

A fastening member with a curved pressure-side side surface disperses force across multiple threads to enhance elastic deformation and increase frictional force.

A chemical adhesive slug and threaded penetrator combine to mix bonding material within a drilled hole.

A radially expandable cylindrical body engages wheel nuts to provide secure locking and clear position indication.

A lock washer with flexible teeth deforms elastically to engage a nut groove, providing integrated circumferential and axial braking.

Conical thread geometry creates radial interference forces that prevent unthreading under shock, replacing cylindrical designs with low self-locking capability.

A nut runner heats and cools fasteners to expand and contract threads, ensuring tight mechanical engagement.

A cotter pin features a flattened oval cross-section with flat confronting surfaces and curved side surfaces.

A self-locking hex nut assembly uses parallel screw threads and a cylindrical sleeve to generate frictional locking forces.

Successive stamping dies reduce cup diameter to form a thickened wall, resolving corrosion and strength trade-offs.

An insert nut structure integrates an elastic seal to create a tight contact interface with the shell.

A fastening member with an elastic buckling portion secures hard disks to transfer boards through adjustable positioning and reliable fixation.

An integrated display shows real-time tightening force values, eliminating torque wrench dependency and reducing operation complexity.

Segmented thin-walled stamping forms a hollow linking block that cuts material waste and processing costs while maintaining structural strength.

Retention arms bias outward against the panel surface to prevent withdrawal, resolving one-sided installation constraints.

A solvent-borne acrylic resin coating with polyolefin additives reduces driving force on fasteners.

A slidable locking nut adjusts thread pitch via a moving block to enable rapid screw engagement.

Segmented closure parts use magnetic attraction to screw together while anti-rotation sections prevent handlebar rotation during fastening.

Segmented horizontal layers in a single tube replace specialized units, enabling flexible rivet dispensing without jamming or precise sizing.

A split pin safety cap shields sharp fastener ends to prevent damage to soft materials while the retention portion secures the cap without extra hardware.