Washers TRIZ Cases

A keyed cam lock and insert bracket simplify insulated panel corner assembly, avoiding beveled cuts while securing and sealing joints.

A keyed cam lock and V-guided insert bracket simplify insulated panel corner assembly while improving alignment, stability, and sealing.

A removable shoulder and stepped screw clamp fan flanges without bending, preserving alignment, thread strength, and dense fan mounting.

A conductive washer with dual seal portions maintains sealing while electrically connecting insulating film-coated fixing members.

A profiled shelving reinforcement spreads impact and straightening loads along the upright to reduce fixing-zone stress and prevent breakage.

Dual-surface serrations stabilize bolt tension and raise loosening resistance under vibration while protecting coated bearing surfaces.

An elastic gripping member prevents bolt idling, enabling secure screw fastening where only one side is accessible.

A control nut and retractable clamps hold panel spacing during resin extrusion, compensating thickness increase and limiting deformation.

A tie-rod and spaced rigid members distribute compression load to resist uplift and compensate for wood shrinkage in stud walls.

A tailored temperature compensating member offsets thermal expansion mismatch to maintain stable clamping force as fastener temperature changes.

A nested insulating sleeve and cover isolate the screw and fixed member to block heat transfer, air leakage, and fixture distortion.

A slotted annealed sleeve enables one-sided aircraft fastener installation while venting lightning-driven gases away from the interior.

A split spacer with screw-fastened halves lets tamping machine pick arms get worn spacers replaced quickly without full assembly removal.

A connector bridges the interrupted LSP layer around a fastener bore, maintaining current dissipation and preventing sparking in composite laminates.

A tailored expansion member offsets thermal mismatch in a fastener stack to keep clamping load stable and reduce loosening, over-tightening, and fatigue.

Radial wedge crests add locking engagement to a flat washer structure, reducing wear, material waste, and separate parts in vibration-prone joints.

A retained top and seat washer assembly prevents part loss and misalignment while preserving clamping on non-parallel surfaces.

A temperature compensating member with tailored thermal expansion offsets mismatch in fastened stacks to keep clamping load stable across temperatures.

A stop element and rotatable hook element let the hook be set at a chosen distance and orientation while resisting unwanted twisting.

A hardenable washer forms anti-rotation lugs on the nut, while a second ribbed washer blocks rod adhesion for easier disassembly.

Linked washers, a cable, and an elastic spring restrain broken bolt fragments and prevent dangerous ejection under high mechanical loads.

Geometric coupling features self-align a tolerance compensator on a carrier element, enabling faster automated mounting with precise orientation.

A grooved valve sleeve expands under axial compression to keep blind bolt crimping force stable on both thin and thick plates.

A slotted bushing, unthreaded fastener section, and offset cap create a wall-to-structure gap that prevents load transfer while allowing vertical movement.

A softer insert at the fastener hole cuts tool wear and avoids deburring, simplifying aircraft structural assembly while preserving load transfer.

A metal-threaded sleeve and insert structure compensates screw misalignment while carrying higher fastening forces than plastic-only assemblies.

A double-wedge element enables accurate bolt preloading in restricted access joints by controlling wedge displacement instead of torque.

Rotating nested annular washer parts vary thickness in fixed positions to close aircraft assembly gaps faster and more securely.

A radially expandable split collar secures honeycomb panels with easier assembly, vibration resistance, and reliable retention across temperatures.

An anti-rotational pusher converts plug tightening into axial gasket compression, cutting leakage paths and gasket stress in heat exchanger bores.

A tie-rod, rigid members, and expansion devices spread compression load and maintain tension as wood shrinks, improving wall anchorage.

A tie-rod and distributed supports keep wood walls anchored under uplift while compensating for shrinkage and reducing compression concentration.

A threaded anchor float lets anchor bolts sit flush in concrete, easing machine finishing and direct alignment of construction elements.

An elastic securing feature lets the compensation element snap past a stop during screwing, preventing detachment in transport while keeping the base element simple.

A polymer body with a stainless steel insert cuts fastener weight while preserving thread strength, serviceability, and rust resistance.

An exterior-inserted stud bolt with a compressible sealing member blocks moisture at grain bin stiffener joints while simplifying assembly.

A non-self-locking thread lets axial screw force extend the compensation element, avoiding spring parts while simplifying tolerance compensation.

Anti-rotation tabs on a quad-tab U-washer stop fastener turning without case slots, reducing stress risers and extending turbine frame life.

A porous screw vent equalizes enclosure pressure in compact 5G units while blocking water ingress that can trigger seal failure.

A retainer element secured by external studs seals fluid end bores without internal threads, preventing leakage and thread cracking under pressure.

Channels, slots, and conductive sealing let an aircraft fastener install from one side while venting lightning-heated gases away from the interior.

A pivotable magnetic spacer self-aligns between mismatched wing and pylon surfaces, improving load transfer while avoiding custom interface plates.

A creep-resistant insert shifts fastener load out of the plastic housing to maintain clamping force and reduce fluid leaks in power tools.

A flanged insert, recessed washer, and preloaded threaded rod increase mounting stiffness and allow fine leveling with less deflection.

Elastic thread engagement enables precise component positioning without loosening, while resisting vibration and temperature-driven play.

Laminated fiber-reinforcing members cover FRP bolt and rivet holes to suppress crack growth while preserving lightweight joint strength.

An angled stand-off cavity lets a one-sided fastener clear nearby vehicle parts while maintaining tool contact and secure seating.

A sleeve gap and recess let burring form without crushing, improving pull-out strength in thin steel plate fastening.