Metal-Working Hand Tools TRIZ Cases

Spreading elements actively push clamping parts away from telescopic tubes to prevent sticking caused by material elasticity.

Segmented lead screw openings enable hands-free operation by maintaining separation without rotation, resolving manual intervention requirements.

Segmenting the handle with a transparent intermediary guard improves strike accuracy by allowing direct viewing of the cutting edge during impact.

A wheel hub bearing extraction tool uses a force rod to push the assembly off the drive shaft.

An elongate shank tool with an axial recess guides flexible lines into connecting pieces.

Rotatable crossmember jaws replace multiple specialized accessories, reducing setup time and space occupation.

An impact tool bit extractor removes stuck SDS drill bits by moving a weighted handle to strike a cap assembly, generating vibration and pulling force.

A telescopic handle uses traction cables routed over deflection pulleys to couple tube movement.

A wearable installation tool distributes force across the palm and fingers to enable ergonomic component assembly.

Segmented press tool displaces torque rod assemblies from structural supports to reduce removal time in confined spaces.

Modular head assembly with spring clips prevents die rotation and wobble, ensuring reliable fitting connections in confined spaces.

A spring tensioner stabilizes holding elements via a pressure plate, preventing slipping on varied coil geometries.

Angled slot tool stretches silicone edge graphics fabric to resolve alignment difficulty during manual installation.

An extendable pronged mandible device with magnetic and non-magnetic variations enables remote gripping of animal nests.

A switchable bistable clamping mechanism holds pivoting elements in open or closed positions without external assistance.

A tool handle with a rotatable grip and core design securely positions hex wrenches for mechanical advantage.

Segmented open elements in the handle allow reading of tool markings, resolving the trade-off between increased grip surface area and identification visibility.

An elastic insert engages a grooved tie-rod within a slotted sleeve to eliminate manual alignment tools during rivet type changes.

Segmented locking mechanisms with conchoidal imprints simplify operation by enabling foot control, reducing device complexity while maintaining reliability.

A coating member deposits contrasting ink on coil inserts, enabling visual verification of tap hole placement and eliminating manual screw testing.

Internal reinforcement walls prevent sagging in extended sections, while offset drainage holes and detent locking ensure stability during pool cleaning.

Segmented handle geometry with a curved junction surface improves control precision and reduces effort when straightening sheet metal bumps.

A disc flange integrates pneumatic and hydraulic conduits within a single block to simplify assembly of the rivet gun.

A valve tool uses a press to compress the spring between the rotor and lid of a multiport valve.

Hinged body segments lock around abutting flanges to prevent gasket displacement during assembly and ensure reliable vacuum seal integrity.

An integrally formed installation mandrel with a cylindrical helix and axial extension drives wire thread inserts into threaded bores.

Interchangeable drive hubs resolve the incompatibility between single-size tools and multiple ratchet drives, enabling universal compatibility.

A collar assembly frictionally engages a protruding bearing cup portion to secure it for extraction.

Rotary drive separates mandrel from connecting element via intact second thread, bypassing damaged first threads to prevent workpiece damage.

A pin puller holder features a hook-shaped extension to align the pull rod concentrically with the pin axis.

Axial swage tool eliminates bearings to reduce tolerance buildup, using extraction and merging principles for reliable self-resetting operation.

A riveting tool uses an axially adjustable stroke limiting element to mechanically determine the setting position of a pull rod.

A clip installation tool uses a spring mechanism to apply controlled force and limit travel distance during fastener insertion.

Segmented auxiliary handle adjusts position and angle to reduce operator pain from fixed tool designs.

Detent assemblies lock puller arms at specific angles to maintain parallel tension forces, resolving alignment issues during gear removal.

A cotter pin bending tool uses a rotating holding element to position the pin for precise mechanical deformation.

Guide pins align pivot holes in jaw assemblies, simplifying single pin insertion and reducing assembly complexity.

Segmenting the locking mechanism into a dedicated pawl reduces device complexity while maintaining reliable locking stability.

A two-arm removal tool with a swivel joint adjusts hook spacing to engage filter end caps securely.

A bistable reelable composite handle transforms from an elongate tube to a coil for compact storage.

A valve seat puller head assembly uses clip springs and a tapered buttress thread to secure halves without welding.

A removable mechanical tensioning system stretches bolts axially using a dedicated nut engaging assembly.

Textured gripping surfaces on the jaw faces allow circlip pliers to hold objects, eliminating the need for separate tools and optimizing workspace efficiency.

Nested securing elements in the handle assembly grip both fitting and pipe, resolving connection reliability issues without adding external complexity.

A plumbing device uses a movable rod and spring to engage faucet seats and seal springs within the housing.

A segmented coupling system uses axial engagement to connect driving devices to expander heads without threading.

Oblique cutter blade and movable grip member prevent hand slippage during operation.

Lever-actuated pins engage accessory openings to provide universal compatibility, eliminating the need for specialized poles.

Regenerative braking converts kinetic energy into electrical power, increasing the number of blind rivets set per charge.

Segmented links pivot circumferentially to adapt to varying hose diameters while maintaining precise contact geometry.