Metal-Working Apparatus TRIZ Cases

A scissors mechanism uses a movable transmission member to transmit spring urging force between body portions.

An enlarged bottom surface on a shaving razor tottle enables upright storage, preventing cartridge contamination from unsanitary horizontal surfaces.

Optical sensors detect blade radius to position grinding wheels, eliminating manual adjustments and improving operator safety.

A tool clamping assembly uses a frame and aligning mechanism to secure blanking tools in sheet processing machines.

Sensor-controlled longitudinal cutting device adjusts web width measurements to maintain continuous processing.

A bolt cutter uses a threaded rod to convert rotational handle motion into amplified linear jaw force for compact operation.

Flexible substrate secures product ejectors to a rotary cutting die board for corrugated board processing.

A shaving razor light source projects a defined image onto the skin to indicate blade edge location, resolving visibility issues with hidden trimming blades.

Asymmetric V-shaped apertures deflect skin while capturing hair, resolving the contradiction between large aperture size and skin doming in rotary shavers.

Counteracting forming pressure with positive gas pressure between die and pack suppresses surface mark-off in superplastic forming.

An internal skin guard within the inner blade assembly contacts skin entering through blade holes, preventing irritation while maintaining cutting efficiency.

Segmented shield and flexible barrier members prevent cut hair scatter by selectively blocking debris while allowing uncut hair entry.

A continuous motion shearing apparatus maintains constant metallic belt velocity using synchronized sliders and a stationary driving system.

Stepped bar surfaces lift flat-laying body hair into blade holes, resolving the trade-off between structural simplicity and hair introduction efficiency.

Outer peripheral frame entirely covers the holding frame in an electric shaver to conceal joints and enable easy blade replacement.

A web cutting apparatus uses a draw roller assembly to maintain optimal tension on continuously moving woven plastic webs during cross cutting operations.

Hinged wings fold over drive rollers to resolve the contradiction between machine stability and compact transport volume.

A flexing snap fit connector simplifies comb attachment on hair removal devices.

A feed unit head piece rotates connecting elements during forward movement to achieve precise orientation.

A punch head tool creates interlocking profiles on components to enable rapid mechanical coupling.

Asymmetric width taper and counterweight balance the blade assembly, resolving structural stability trade-offs while enhancing ergonomic grip.

Relocating the oscillating bridge to the handle reduces head weight, enabling smooth skin contour adaptation.

Mobile blocking means transfers workpieces between magazine and machining area, eliminating complex configuration adjustments for symmetrical parts.

A folding knife handle integrates a cutting member and extension portion to sever paper wrappers and remove lids from tobacco cans.

Removing a scrim strip widens the parting line between the blank and remaining fabric, preventing adhesive bridges and reducing lifting forces.

Segmented blade covers and asymmetric supports reduce deflection and exposure risks in produce slicers.

A folding filet knife uses a handle clip to house the blade edge when folded.

A vinyl tile cutter uses a heated conductive base to soften brittle material for precise cutting along curved paths.

A safety knife retracts its blade using a sliding weight that engages a release mechanism upon impact.

An adjusting device moves a second cutting blade along its rotation axis to regulate pressing force, reducing manual intervention risks during format changes.

Rotating locking feature secures the razor cover to the frame, enabling safe blade replacement while reducing waste from non-removable components.

Wedge-shaped displacement edges separate protective film from workpieces to prevent slag and burr formation during subsequent laser cutting operations.

Magnetic blade carrier replaces mechanical masts to reduce handle thickness while maintaining reliable blade retention.

Segmented cutters follow skin contours to prevent pinching, and a decoupling sleeve protects the assembly from drop damage.

A multi-lane food slicing device uses independently operable conveyor units to position interleaving sheets between product layers.

Variable joint spacing in the connecting device enables automatic blade retraction to a safety position when actuation stops.

Segmented guard protrusions with varying heights improve skin positioning and hair cutting efficiency while reducing irritation risks.

Cold forging a nested lining and casing over a mandrel achieves tight manufacturing tolerances on the helical inner surface without post-processing.

Alternating resin layers in a wood composite panel reduce edge swell, eliminating extra density and sanding costs.

Extruding and forging aluminum alloy substrates into integrated fork tubes and stems eliminates weak joints, reducing weight and cost.

Diffusion bonding attaches copper to iron powder surfaces, eliminating segregation and dusting while ensuring consistent mechanical properties.

Stretched lamella stacks welded to sleeves resolve precision challenges in thin-wall manufacturing.

A center sill structure uses thinner steel plates and strategic gussets to reduce weight while maintaining load-bearing capacity.

A photosensitive interstitial layer fills spaces between piezoelectric elements in ink jet printheads.

High strain rate multi-axis forging refines titanium alloy grain structures through dynamic recrystallization during orthogonal deformation.

A pressure roller incorporates a reinforcing member to prevent resilient layer deformation and maintain consistent fixing performance.

Carbon particles coated on magnesium chips resolve the trade-off between mechanical strength and heat dissipation in thixomolded articles.

A chemical vapor deposition method synthesizes lateral heterostructure nanowires with a graphitic shell and alloy core.

Adjustable support assemblies resolve space and weight trade-offs by enabling longer ramps that stow flush within the vehicle well.