Multi-Purpose Tools TRIZ Cases

See how a nested utensil assembly integrates knife, fork, and spoon into one unit to reduce pac

A through-opening handle nests a removable second utensil, cutting packaging waste and improving portable multi-function dining.

A removable knife nested inside a utensil handle combines eating and cutting functions to cut packaging waste and save storage space.

An obtuse-angle latch and buffered elastic return let drawers reclose with less push force while cutting engagement shock and noise.

A pivoting stop member blocks unintended drawer pullout yet swings clear for straight-line removal without tilting or larger cabinet openings.

A dual-latch slide rail mechanism blocks accidental extension or over-retraction, then releases smoothly through a linked press action.

A retention pin and releasing member simplify three-section slide locking, cutting mechanism cost while allowing smooth retraction.

A resilient blade anchor secures carpet tile corners to pedestal heads, preventing creep, misalignment, and surface irregularities in raised floors.

A swinging gas spring and concealed slide rails soften drawer opening and closing while reducing rail exposure, friction, and corrosion.

A nested spring-and-dampener slide closes drawers fully from a preset distance while limiting slam force and keeping the assembly compact.

A geared biasing member and damper reduce spring force rise, giving drawers smoother, quieter self-closing without abrupt latching.

A gas spring with pivotal couplings gives drawers both soft-close and soft-open motion while reducing abrupt stops and operator effort.

A movable press-out assembly improves chain pin alignment in narrow links while keeping the tool compact, portable, and easy to handle.

A friction-based HSK gripping mechanism and multi-level nested magazine cut tool-change time while reducing machine footprint and cost.

Interchangeable support platforms and guided press-fit alignment let one manual tool handle multiple sizes while reducing offset and waste.

A combined chipping, sawing, brushing, and opening tool removes weld slag without repeated tool changes, improving workflow speed.

A multi-head connector tool removes grippers and replaces O-rings without direct handling, cutting waste and contamination during service.

A removable retractable knife in a squeegee enables precise vinyl cutting and smoothing while reducing exposed-blade hazards and tool switching.

A recessed handle and side-notch latch secure interchangeable cutter heads, improving task adaptability, blade safety, and retention.

This case addresses bulky repair kits by combining wrenches, chain tools, a pump, LED light, and remote controls.

A tool handle uses insert blocks with exposed upper surfaces to display branding through an overlay.

V-shaped ribs join stacking feet to inhibit spreading, preventing tipping and spillage during transport.

Lower surface spline in the hockey stick handle aligns the forearm centerline with the shaft centerline, resolving wrist strain and limited freedom of motion.

Interlocking primary and cover housings enable quick blade interchangeability while maintaining safe enclosure for both rotary cutters.

Deformable foam cavity adapts to various mouse shapes, reducing hand stress by eliminating constant gripping.

Non-parallel hinge axes allow tool arms to fold into a compact stowed position while maintaining torque transfer efficiency across the central hub.

A multipurpose tool carabiner uses a spring and tab engagement member to prevent component displacement, ensuring reliable operation under repeated forces.

A foldable headphone hinge uses a magnetic latch to hold the earcup angle and a torsional member for smooth opening.

A multipurpose tool integrates a bit driver with a retention mechanism inside the handle structure for secure storage.

Interchangeable blades and a sanding surface on one handle resolve the trade-off between cutting versatility and device complexity.

A multi-function stripper tool combines a replaceable blade with a terminal locking notch in one body.

An ejector mechanism lifts multifunctional tool free ends above the housing top edge for rapid selection.

Segmented earstem pivots beyond deployed position to deflect, resolving durability versus adjustability trade-off.

A multipurpose tool with a telescopic arm and articulated handles reaches high overhead compartments.

U-shaped elastic piece prevents temple contact with frame, eliminating material deterioration and shape deformation during folding.

An extended handle adaptor creates a protective throat that limits user exposure to the cutting edge during blade handling and operation.

Single device integrates zipper assist, clasping, and buttoning mechanisms to eliminate clutter from carrying multiple specialized tools.

Outer frame elongated channel accepts inner piece screws to resolve alignment difficulties during door vision lite installation.

Folding pliers integrate a full wrench set to resolve the trade-off between versatility and device complexity.

Specialized mandrel tool extracts deteriorated O-rings from fuel tank fittings without removing the tank, reducing service time.

A convertible utility knife uses a slide mechanism and stud system to rotate the blade freely between cutting and scraping positions.

An adapter stabilizes wire entry and exit using an input guide and output limiter to align the insulated conductor.

Modular tool set with interchangeable elements and adjustable shafts resolves fine motor manipulation challenges.

A modular tool apparatus uses a D-shaped pivot pin and lever to enable secure attachment and rotation of utility tools.

Spring-biased buttons engage locking tabs with recesses to solve the reliability and complexity trade-off for pivotable tool angles.

Segmenting the handle and pressing device reduces packing volume while a guide mechanism maintains precise alignment for narrow chain designs.

A multi-bit hand tool features a spring-driven chuck with a latch and release cam for automatic bit extension.

A multi-purpose tool system couples individual tools into a single handheld housing for compact storage and transport.

A lever and hook yanker resolves the complex upward cabward motion required by Jost safety catches, reducing biomechanical strain for operators.

Segmented layers and a bonding film mitigate internal stress that causes uneven surfaces in single-layer plates.

A compact tool kit integrates multiple blades into a single unit using a rotating shank mechanism for easy access.

Integrated storage pocket and finger loop secure tools to prevent contamination while maintaining rapid access.

Segmenting the handle body with a press-fit grommet creates a water-tight seal without increasing manufacturing complexity.