Spanners TRIZ Cases

Segmented locking mechanisms and intermediary actuators resolve the trade-off between reliability and ease of operation in confined spaces.

Segmented auxiliary sheath with protruding ring buckles into bit groove to prevent offsetting and maintain accurate positioning during operation.

A tool connector uses dual elastic members on tubular portions to secure connection rods via radial abutment against varying diameter sections.

A mechanical bolt tensioning tool uses a threaded sleeve to convert rotation into axial force.

Sliding locking ring generates audible percussion and tactile feedback to confirm torque adjustment status, preventing misadjustment errors.

Segmented ratchet spaces and integrated stoppers allow direct alternation between bolt sizes, preventing fastener loss in confined work areas.

Adjustable fixing bodies allow dynamic angle changes without detaching the tool, resolving handling complexity.

An open-ended ratchet wrench uses modular heads and a spring-loaded cover to resolve versatility versus complexity trade-offs.

A multipurpose drive tool integrates a telescoping extension driver with biasing springs to secure multiple double-end bits within the handle.

Indexed magazine attachment allows tool-free rotation and axial fixation, resolving screw alignment complexity during automated feeding.

A clamping device integrates a tilting wrench to drive rotation without external tools.

A two-way ratchet wrench uses a rotatable dial block and positioning device to switch rotation direction.

Sliding jaws in a retainer adjust aperture size to grip fasteners, eliminating multiple wrench sets while preserving integrity.

A multi-chambered tool bit cartridge stores metric and SAE hex wrenches within a standard handle using a linear slide locking mechanism.

Transparent nesting end caps display engaged bit heads while rotating independently to stabilize the screwdriver during precision tasks.

Integrated socket collects loose nut debris during aerospace fastening to prevent contamination in confined mechanical spaces.

Segmented wrench sections create clearance for piping passage while maintaining structural integrity to rotate corroded basin nuts in confined spaces.

Telescopic retraction of a magnetic arm moves stored bits radially into the central bore, eliminating manual alignment delays during bit replacement.

A floating magnet sleeve moves along a tool bit shaft to engage fasteners securely.

A ratchet wrench integrates a direction switching member to rotate the ring and slide a limiting plate for driver engagement.

An open end wrench employs an arcuate sliding groove and nested slide to resolve structural strength limits during high-torque operations.

A threaded object installation tool uses a sleeve with inner lips to grip the fastener head securely during driving operations.

A retaining slide engages an annular groove on a drive shaft to secure socket assemblies, eliminating the need for accessory hand tools during replacement.

A control unit limits motor revolutions until an impact detection unit senses torque current changes during fastening operations.

Non-circular sleeve walls prevent prolapse and reduce friction energy loss during high-speed rotation of the driving head.

Segmented mounting holes with rounded corners and triangular grooves enable secure rotation of rusted or damaged bolts without deformation.

Segmenting pawl engagement distributes load across multiple teeth, resolving the trade-off between operational convenience and structural strength.

A spring-loaded stopper pin drives a movable jaw to restore clamping force during reciprocally swung handle motion.

A multi-mode wrench uses a switch with arched grooves to guide pawls between engagement modes.

A detachable angle encoder unit attaches to a ratchet power wrench housing, enabling angular displacement measurement via a rotatable signal initiating part.

A flexible magnetic socket holder uses embedded magnets to secure sockets and attach to ferrous surfaces.

Segmented extension mechanisms with adjustable handles improve torque alignment in confined spaces while maintaining safe user distance from moving parts.

A power tool integrates a side-mounted torque setting indicator with the adjustment dial to display selected force levels.

A residual torque analyzer uses a gyroscope and torque transducer to detect fastener movement.

A self-adjusting pipe wrench uses a pivotal adjustable jaw and curved heel jaw to grip cylindrical objects securely.

Elastic polyolefin coating with roughened surface geometry absorbs vibration forces to prevent hand injury while providing electrical insulation.

A fastening tool uses a gear train and magnetic socket to rotate and secure fasteners with one hand.

A tightening tool detects its posture during operation to register alignment data in a control system.

A hand tool pressing spring maintains firm positioning between a rotating tool rod and external fixing pieces.

Merging the carry case with the tool handle creates a compact unit that delivers sufficient leverage without increasing overall weight or bulk.

Replacing sliding pawls with a roller clutch eliminates handle back throw and friction loss, enabling continuous torque application at any angle.

A reversible adaptor with conical counterbores connects to an air hammer drive shaft for quick anchor pin bushing service.

An elastic torque transfer assembly uses lateral members and a coupling pin to move rotational force between drive and driven components.

A torque-setting device uses a rotating axle to move a pusher against a spring for precise value adjustment.

A screw tightening tool uses a switching portion to move a bit portion among three positions for secure engagement.

Radial deformation of elastic arms slips internal engaging portions when preset torque exceeds limits, preventing workpiece damage.

An inclined notch drives a steel ball to lock tool heads, eliminating groove processing costs while maintaining replaceability.

Replacing complex ring springs with a shrunk tube eliminates assembly steps while maintaining elastic return for reliable retention.

Integrating a torsion spring with the reduction gear eliminates complex mounting brackets, reducing device complexity while maintaining precise torque control.

Optimized torsion zone geometry balances torque distribution, reducing breakages in the working region and sleeve.