Metal-Working Apparatus TRIZ Cases

Spring-loaded carrier retracts the blade automatically after use, eliminating exposure hazards when the trigger remains engaged.

Rounded hair lifting portions on the electric shaver frame prevent skin damage while effectively lifting lying body hair.

A releasable attachment comb with snap-on mounting elements attaches to a pivotably supported blade set.

A driven conveyor belt transmits an impulse to falling food slices, ensuring reliable folding of inflexible cheese products.

Segmented adsorption head shafts allow lower shaft replacement without full disassembly, reducing maintenance time and preventing deformation.

An additional thumbscrew and closed-ended slot guide the blade holder along the base mounting bracket.

Adjustment mechanism modifies exposure distance in a pivoting shaving unit while maintaining a stationary pivot axis, resolving accuracy trade-offs.

Relocating shell bearing units to the disposable blade unit prevents rattling and wobbling caused by soap fouling in handle-mounted bearings.

Beveled corners on the bent blade support eliminate sharp edges that restrict fluid flow and cause debris accumulation.

Segmented tool design allows the tip to dig into and pull out torn spark plug boot pieces from tight spaces.

A motorized shaving head integrates a rotary cutter and fixed blade to shear hair via direct mechanical action.

Angled perforation blade teeth prevent tissue snagging and tearing during stationary processing of heavy sheets.

A shaving blade cartridge clip uses a leg recess engaging a housing protrusion to secure the cutting blade without bending.

A chain tool with a rotatable backing wheel aligns pins across various chain sizes, preventing breakage during extraction or insertion.

A razor cartridge integrates a side wing housing a trimming blade to access hard-to-reach areas like under the nose without increasing overall device height.

A keyhole-shaped safety cover snaps onto punch heads to contain sharp blades, preventing operator injuries and blade damage during handling.

Electromagnets hold amorphous strip cores upright against gravity, preventing deformation during precise alignment.

A dry shaver lower blade assembly uses adaptive spring pretension to alternate cutting and protective functions based on movement direction.

Separating the motor from the cutting head reduces skin irritation by enabling variable speed control and direct lubricant delivery.

Angled transverse knives lower knife load and eliminate cleaning grooves, improving hygiene in frozen food processing.

Segmenting cutting members across a support bar distributes pressure and reduces skin injury risk while extending shaving durability.

Multi-leg retainers prevent clip buckling during installation, ensuring stable blade exposure and reducing production costs.

Independent pivot mechanisms allow trimmers and cutters to adapt to convex or concave contours, resolving inadequate skin contact during simultaneous operation.

A combined blade unit integrates a powered trimmer and razor via a shared linkage mechanism.

A carrier tape features a brittle part near the distal end that breaks under longitudinal tension to separate from the reel core.

Segmented blades cut long hair initially then finish cuts, while a detachable lubricant frame reduces skin irritation during shaving.

A cutting device uses a frame drive connected to a spring tongue for adjustable gap control.

Piezoelectric sensors detect blade interference while actuators adjust the stationary blade gap to prevent startup wear.

A razor cartridge housing uses a film hinge to fold an exterior wall over the blade cutting edge for secure retention.

Living hinges connect blade mounting assemblies, allowing pivoting cartridges to shave hard-to-reach neck areas.

Optical sensors detect blade edges to automate grinding wheel positioning, reducing polygonalization and sharpening time.

A conical punch compresses paper radially before cutting to minimize waste generation during the punching process.

Induction heating softens tube stubs, allowing single-operator removal without damaging the tube sheet.

Double-sided base plate with adjustable blade gaps and angles resolves irritation from fixed designs by enabling user-selected aggressiveness levels.

A rivet gun handle assembly uses high-pressure air to actuate the control valve without recoil springs.

Segmented shaver design transfers pivot support from the weak cartridge body to a robust handle holder, preventing breakage under external force.

A folding tool cover locks the cutting edge in an open position and protects it when closed, eliminating bulky handles.

Independent motors adjust blade speed relative to feed rate, preventing soft bread tearing while maintaining compact design.

Concentric dies with common axes create complex patterns while maintaining blade retention during storage.

An automated food processing machine uses linear motion actuators to drive a slitting blade and a ram through a blade set for precise fruit cutting.

Speed-triggered blade engagement prevents incomplete cuts and burrs while cooling members maintain precision during high-speed extrusion groove formation.

A wrist-mounted safety cutter uses a protective blade holder to enable hands-free cutting operations.

Orthogonal knife elements in a blade clamp cut large potato slices, resolving packaging reliability issues caused by oversized chips.

A perforating apparatus uses a rotatable impacting surface to cut material panels without fixed die alignment.

Truncating the liner at the apex eliminates inverse velocity gradients, ensuring complete tubing severance without swelling or flaring.

A flat-round tube-to-header joint uses mechanical expansion to create a secure interference fit between the tube end and the header opening.

Segmented cellular wheel uses elastic intermediate sleeve incisions to prevent thermal stress cracks in pressure wave superchargers.

Selective masking before forging creates variable case depth profiles, reducing machining time while maintaining surface hardness.

Segmenting the unit into an extruded cylinder and moulded cap eliminates sealing rings, reducing friction and ensuring consistent volume production.