Pivotal Connections TRIZ Cases

Offset hinges and ergonomic arm supports let a ballistic shield fold compactly, deploy quickly with one hand, and avoid weak gaps.

A hollow-cylindrical rivet flange and controlled die force create strong ball joint pin joints in sheet metal with lower crack risk and assembly effort.

A wave shaped tolerance absorbing spacer pre-compresses to a plastic state during automotive socket assembly.

Pressing bent eyelets onto elastic bodies simplifies manufacturing by replacing rigid fastening with quick assembly while maintaining connection strength.

A multi-degree-of-freedom support mechanism uses a spherical surface sliding on parallel planes to enable five-axis movement.

Elastic averaging of semi-circular features eliminates float and geometric variance, resolving the trade-off between assembly ease and alignment precision.

An injection-molded plastic hinge pin replaces metal bolts in swivel joints to reduce weight and assembly complexity.

Segmented linkage system adjusts overall effective length without rotating dampers, maintaining orientation and minimizing disturbance to internal components.

Sliding hinges and living hinges enable repeated expansion while friction maintains structural integrity without external forces.

An elastic laminated bearing reduces construction height while maintaining axle parallelism during frame adjustments.

An elastomer intermediate element with integrated cavities limits gear lever overtravel while filtering gearbox vibrations.

Integral elastomeric dust boot with circumferential ribs and relief valves directs lubricant flow through the sealing interface.

Integrated radial sealing prevents dirt ingress and damage from high-pressure cleaners by eliminating loose fastening elements.

Curved shank junction in coupling joint limits rotation to prevent piston rod failure from impact stresses.

Merged injection molded components reduce initial gap below 0.5 mm while eliminating manual assembly time.

Segmenting the hinge into two independent axes keeps slide bearings within range, preventing dirt ingress and reducing wear during large pivot movements.

An adjustable tension screw secures a headset earcup to a wire form arm, preventing breakage of thin socket constructions.

Axially movable slider in tool nose transforms rotary drive into precise axial traction, releasing bulging element heads without tearing or damage.

Solid friction coating replaces grease in ball joint assembly, eliminating temperature sensitivity and ensuring predictable torque under high loads.

Segmented spring element in ball socket prevents joint play from thermal expansion.

A vehicle suspension ball joint separates during impact to release the wheel from the arm.

L-shaped grooves and a pivoting handle assembly secure shaver heads and adjust angles for back access.

A ball joint bearing uses a dampening material layer to restrict transverse articulation and absorb impact energy.

Extracting the pivot pin outside the joint housing simplifies axle guide detachment while maintaining structural compactness.

A floating joint manufacturing method uses a single caulking tool to secure components and adjust internal gaps during assembly.

Forged steel outer portions with alignment grooves reduce weld points while sealed inner ball designs lower friction to handle higher payloads.

Axially open bearing housing expands radially to maintain constant clamping force, compensating for thermal expansion and wear variations.

Dual actuators on a ball joint press frame minimize shaft bending stress through equalized hydraulic pressure.

Replacing mechanical linkages with an electromagnetic breakaway system reduces stress on outer boom portions during obstacle collisions.

Merging the filter and spring into a single elastomeric part simplifies assembly of the ball-and-socket joint while maintaining structural stability.

Radial expansion of a spherical element blocks movement via a threaded insert, eliminating jamming risks from high-precision seats.

An elastic dust boot lip engages the housing via interference fit, eliminating cumbersome crimping and ensuring a fluid-tight seal throughout service life.

Insert joint housing bottom-first to enable gap-free beam welding, reducing production complexity and preventing crevice corrosion.

Indexing formations rotate the outer race to shift wear, reducing replacement costs.

Segmented bearing surfaces with distinct curvatures reduce rotational torque while maintaining minimal clearance for extended service life.

Longitudinal strengthening portions in a vertical control arm bushing dust boot resist stud rotation and prevent damage while maintaining a fluid-tight seal.

A connecting arm bushing with intersecting circle geometry and lugs minimizes horizontal forces to ensure homogeneous stress distribution.

A closed retaining ring fastens a sealing bellows to a ball joint housing via radial inward pressure against a dedicated seat.

Resilient spring arms guide a ball head into a socket during pre-assembly, eliminating high radial forces required for manual or automated installation.

A portable terminal housing integrates sliding and rotational movements via a single connecting mechanism.

A rotational joint constraint system uses a geometric locking mechanism to secure component alignment.

A bushing assembly with a sacrificial wear pad prevents abrasion in rod end joints by absorbing rolling contact between the rod and clevis.

Elastomeric boot uses thinned gates to flex and release internal pressure while maintaining a secure seal against contaminants.

Segmented securing elements absorb torques and limit pivotability, resolving installation complexity while maintaining reliability.

A central joint uses a multi-directional captive securing arrangement to prevent housing separation from the axle connection.

Cold forming displaces material to create a single-piece housing that fixes the pivot without distorting the sealing bellows interface.

An integrated plastic bearing replaces multiple metal components with a single molded unit, achieving 1200 lbs of pull-out resistance.

A pivot joint system uses a torsion spring mechanism to automatically return the rear view mirror head to its driving position.