Couplings For Rigid Shafts TRIZ Cases

A snap-fit and interference-fit sensing assembly cuts play and friction in steering columns, extending service life and easing retrofit.

A tapered engagement pin and pivotable arms lock the centrifuge rotor automatically, improving axial retention at low speed and easing removal.

A spring interlock secures torque transfer while enabling tool-free doctor rod exchange, cutting downtime and contamination during maintenance.

A shaft protrusion and ring flag recess lock axial and rotational alignment, preventing false assembly without special tools or costly machining.

A frustoconical shaft interface with friction-reducing elements cuts wear and cost while making planetary gearbox assembly and disassembly easier.

A tapered double-D shaft and hub, axially clamped by a fastener, removes backlash while maintaining constant contact and torque transfer.

A slotted hub and disc-guided clamping ring improve circumferential force distribution, axial locking, and anti-rotation in shaft-hub joints.

Opposing fasteners balance shaft clamping to reduce wobble, protect the shaft, and keep servo mounting features aligned.

A curved holder contour enables secure press-fitting of a ceramic rotor cup with larger tolerances, simplifying spinning rotor assembly.

An integrated threaded bushing lets a hollow shaft motor couple directly to a pump shaft, cutting assembly size and easing disassembly after long use.

Hydraulic pressure and anti-adhesion coatings raise hub-shaft interference for higher torque while limiting shaft damage and radial strain.

Angled hub grooves and rotor projections create a centered interference fit that avoids warping, tight tolerances, and extra assembly complexity.

Passive and active holding features keep a consistent grab point across wire diameters, improving pin and wire insertion in bone.

Hard projections deform softer retaining teeth to keep torque transmission stable despite thermal expansion mismatch from -40° to 80°C.

A pre-tensioned slotted clamping ring improves hollow shaft load transfer, centering, and release while protecting the threaded area from overload.

A double-row ratchet with single-bypass arming lets a wound clamp close and lock quickly, reducing blood loss in field bleeding control.

A retainer ring, retainer member, and snap ring constrain disconnect-shaft axial motion to prevent unintended disengagement and improve reliability.

A lug-based quick connection lets damaged valve ends and seats be replaced fast in high-pressure service, cutting downtime and fastener complexity.

A retaining ring with radial projections locks the clamping ring on a slotted hub, improving force distribution and torque transmission.

An integrated centering collar on a deep-drawn freewheel flange simplifies press-fit assembly, improves access, and keeps the axial design compact.

Asymmetric keyway and pin alignment on a tapered hub adapter secures gear timing, lowers fastening torque, and simplifies pump servicing.

A metallic key couples non-parallel motor and sensor shafts with high torsional stiffness while reducing binding, friction, and wear.

A conical clamp ring uses hydraulic pressure to raise hub-shaft interference, boosting torque capacity while preventing adhesion and surface damage.

Spherical locking elements enable precise, play-free torque transmission while letting contaminants escape for fast, reliable coupling.

Removable couplers with mating engagement surfaces speed milling drum changes while maintaining reliable torque transfer from the driveshaft.

A replaceable insert in the reel shaft seat removes wear-induced backlash and cuts gripper maintenance downtime without full disassembly.

A radially lobed coupler rotates into hub alignment during insertion, preventing incomplete surgical tool assembly and easing cleaning.

Longitudinal projections deform retaining teeth to lock coaxial parts while accommodating thermal expansion and avoiding material overload.

A displaceable locking mechanism keeps shaft parts securely joined for torque transmission yet enables immediate separation in emergencies.

A molded insulator plus a high-dielectric interface coating keeps a fastener coupler electrically isolated even under high torque.

An axially movable coupling member lets the drum unit disengage for cartridge removal while maintaining reliable drive pin engagement during rotation.

Variable tooth gap widths let shaft-hub gear teeth self-align, reduce burr interference, and lower axial joining force during assembly.

An axially movable coupling member engages the drive shaft securely while allowing easy cartridge mounting and removal in electrophotographic units.

A spring-loaded sleeve and adapter teeth simplify PTO shaft alignment, enabling faster implement mounting with secure engagement.

Dual threaded pins create a force-fit shaft connection while balancing the adapter shaft and adding loss protection without extra balancing steps.

A cylinder bolt locked into ring and shaft recesses adds axial retention and anti-rotation to a force-fit shaft connection without extra parts.

A battery-powered drum drive replaces bulky engine or hydraulic screeds to improve portability, control, and wear resistance.

A sleeve, ring, and locking-part arrangement cuts play and friction in steering column sensing, extending service life and easing retrofit.

Near-net-shape sintered annular sections enable press fits with better concentricity, tolerance compensation, and less machining.

Cam-driven radial clamps and friction modifiers transmit accurate torque to delicate parts without point-load damage or central tooling features.

Curved toothed engagement transfers torque while compensating angular and axial misalignment with fewer parts, lower inertia, and easier assembly.

A nested retainer ring and snap ring constrain disconnect shaft axial motion to prevent unintended generator disengagement.

An axially movable transmission shaft uses a mating surface to remove gear backlash, enabling precise torque transfer and more accurate machining.

Mechanical keepers and angled retention surfaces stop impact sockets from dislodging under vibration, even if the adaptor is damaged.

A movable coupling member advances and retracts to keep drum drive transmission reliable while simplifying process cartridge mounting and removal.

Larger tooth thickness in the mounting section enables press-fit cam assembly with precise alignment, high twist resistance, and shorter assembly time.

A recessed torque sensor in the coupling member enables precise overload monitoring while preserving compact size and simpler wireless power transfer.

A centering region guides the hub before knurled press fitting, reducing chip formation and tooth breakage while preserving torque capacity.

Resilient legs and a dual-interface connector let incompatible intraosseous drivers and needle assemblies work together in emergencies.