Helmets TRIZ Cases

An elastic fitting unit and gear-coupled adjustment mechanism let the helmet band self-fit the wearer's head without repeated manual tightening.

Elastic expansion and contraction let the helmet fit automatically during wear, while adjustable force balances secure retention and head pressure.

A segmented ratchet gear and self-locking band housing keep hard hat bands easy to tighten while resisting accidental loosening.

Liquid ejection through tuned orifices dissipates impact energy and maintains stable shock absorption across low, medium, and high impacts.

Multiple ratchet gear engagement points let a hard hat tighten easily while resisting loosening to maintain a secure fit in use.

Dual coil suspension and buckwheat hull layers absorb and spread blunt impacts to reduce shock trauma while preserving movement and comfort.

Knob protrusions, hooked ratchet teeth, and a ramped aperture keep the hard hat band tight and resist loosening during wear.

Heating the helmet passage keeps humid air warm enough to prevent eye shield condensation without opening the visor to cold air.

A suspended head mount and low-friction slip layer let the helmet slide during oblique impacts, cutting rotational acceleration and brain injury risk.

Integrated helmet interfaces enable one-handed accessory mounting and quick break-away release to prevent snag forces from transferring to the helmet.

A low-friction sliding interface between helmet layers cuts rotational energy transfer during oblique impacts to reduce brain injury risk.

Modular fit pods and an inflatable base liner tailor helmet pressure mapping to different head shapes while improving comfort and certified fit.

A dial-actuated helmet retention assembly enables one-hand, real-time chin and fit strap adjustment without removing the helmet.

A rotational rear mount lets the helmet fit system adjust for comfort while moving upward in storage to prevent warping.

A bendable planar chin protector retrofits face shields or helmets to protect the chin without blocking view or limiting material choice.

A rotatable shell-mounted lock holds the helmet shield securely in closed and vented positions while reducing parts, cost, and failure risk.

Low-friction layers let helmet pad sections slide during oblique impacts, cutting rotational energy transfer without added bulk or comfort loss.

Side-to-side retainers lock cellular impact inserts to the shell during oblique impacts while keeping vents open and assembly simpler.

Laterally supported filament arrays help helmets absorb axial, lateral, and rotational impacts in a lighter, lower-profile structure.

Male-female helmet connectors keep spoilers and visors secure in use, then detach on impact to cut rotational acceleration and simplify replacement.

A six-DOF connector arm and single locking actuator let users move a helmet HUD out of view, then return it to a stable position with one hand.

An infrared reflective liner and evaporative cooling pad cut helmet heat from transmitted IR radiation, lowering internal temperature by 10-15°F.

A movable deflecting arrangement redirects the rear helmet strap away from the ear region, preserving secure fit while accommodating earmuffs.

A universal helmet attachment lets brims, shields, and chin straps swap quickly, giving one shell multiple functions without extra helmets.

An elastic snap-fit cheek pad release lets helmet pads detach with a simple pull, reducing removal force and neck strain in emergencies.

A flexible hose-shaped filling section lets a rear inflator rapidly inflate the forehead airbag while simplifying sealing and reducing neck injury risk.

A cam-driven chin guard and visor linkage maintains airtight sealing in front position and improves aerodynamics when retracted.

A three-layer helmet liner allows relative movement to reduce pressure points and improve energy dissipation across different impact levels.

Segmented crown and occipital pads use inflation and locking contact to improve fit, absorb impacts, and resist helmet rotation.

Aligned retaining grooves let helmet accessories attach quickly and securely without precise matching, reducing installation effort and improving flexibility.

Resilient posts suspend a slidable head contact seat from a shock-absorbing core to improve helmet impact damping, airflow, and comfort.

Responsive fluids in a dual-shell helmet absorb coup-contrecoup impact energy and trigger pressure-based warnings of harmful hits.

A reticular face frame uses separated eye and mouth openings to protect the face without blocking vision, breathing, or hearing.

A continuous thermoformed padding with uniform thickness and integrated engagement features improves PPE comfort and attachment stability.

A linked chin guard and shield pivot together through staged angles, making helmet donning and doffing easier without separate controls.

NFC-based user pairing and bone conduction in a hard hat cut daily setup time while keeping workers hands-free and aware of surroundings.

Rate-dependent foam pads and a flexible frame cushion facemask impacts, reduce neck and hand injuries, and fit varied helmet facemasks.

A split front-rear support structure lets earmuff bands pass through while routing tension through the shell for a secure adjustable fit.

A pseudo-spherical sliding liner absorbs rotational impact energy through elastic deformation while preserving helmet size, thickness, and ventilation.

A sliding clamp on a curved track creates a virtual pivot for helmet shields, cutting hingeplate bulk and freeing space for impact-absorbing material.

A rigid bracket and flexible strap secure hard hat lamps against jarring while preserving the helmet's safety rating and warranty.

A unitary visor mounting plate cuts helmet parts and weight while enabling secure pivoting and easier visor connection and removal.

A snap-fit hard hat suspension replaces screw couplers to keep attachment secure while making maintenance and replacement faster.

A strain rate sensitive liner nested in foam cuts peak rotational and combined impact acceleration for better hard hat head protection.

Controlled liner slip with slack attachments absorbs rotational impact while preventing inner and outer helmet layers from separating.

An endless band replaces protruding helmet adjusters to enable one-finger fit tuning while reducing airflow obstruction and drag.

Elastomeric return springs and leash couplings let helmet liners rotate to absorb impact energy without separating during a crash.

A guided mover and adjuster let a helmet sub-visor shift smoothly between open and shaded positions while reducing damage and unintended movement.

A sliding fixing portion locks the chin guard in full-face and open-face positions, improving fixation stability with a simpler helmet structure.

Microbead vacuum liners conform to the pilot's head and auto-adjust with sensor input to improve helmet fit and stability under high G-forces.

A strap-wrapped deformable element absorbs impact energy inside helmet suspension systems, improving protection without added bulk.

Recessed shell areas for the facemask, chin strap, and front bumper cut helmet weight, lower fatigue, and reduce snagging.

Segmented chin-strap sections simplify adjustment while preserving helmet retention and reducing discomfort from overly tight fitting.

A damper array lets the helmet’s inner liner move omnidirectionally to dissipate linear and rotational impact energy.

An integrated linkage synchronizes chin guard and shield movement, replacing separate adjustments for easier helmet mode transitions.

A radial honeycomb matrix collapses for storage and expands into a protective shell, helping bicycle-sharing programs improve helmet availability.

A separate wearable element houses the inflator and activation system, inflating helmet and body chambers without bulky helmet components.

A textile cover cushions the helmet bearing element, absorbs sweat, and detaches for independent cleaning and replacement.

Movable shell portions allow an airbag to expand outside a helmet cap without detaching, enabling reuse after deployment.

Liquid-filled bladder and compressible pad create a slip plane to decouple shear forces, reducing rotational injury risk without adding weight.

Concentric shells with rate-sensitive materials absorb high-velocity impact energy, reducing concussion risk while maintaining skull fracture protection.

A dual-shell electronic helmet nests components between RF shielding layers to resolve impact resistance trade-offs from external mounting.