Spanners TRIZ Cases

An actuator with an angled separating member stabilizes low aspect ratio screws to prevent jamming and flipping during vertical delivery.

An elastic pawl structure biases ratchet teeth to engage gear components, reducing backlash and improving torque transfer efficiency.

A retractable screw holder assembly extends from a power tool housing to secure fasteners near the output member axis.

A folding torque wrench uses a triple-start threaded mechanism to rapidly move the adjustment member along the connection rod axis.

A tool adapter with recessed holes receives a drive insert and external tools to apply torque.

Curved faces on the bifurcated handle and toothed ring reduce gaps between components, minimizing stress on screws during operation.

Tri-lobed tool handle geometry resolves torque comfort trade-off by distributing pressure via segmented lobes.

Pull-back rotating sleeve adjusts spring force via screw engagement, eliminating the need for additional hand tools during torque wrench operation.

Swingable receiving portions pivot to resolve the contradiction between compact grip volume and ease of retrieving individual driving bits.

A lockable torque wrench engages sleeve teeth via a pawl and lever, preventing accidental knob rotation during use.

A rotary impact tool protection unit adjusts activation conditions based on motor rotational direction to manage abnormal impacts.

Centrifugal force rotates the valve element to vary the fluid passage area, resolving accuracy versus cycle time contradictions.

Segmented handles position the motor control 90 degrees away, allowing operators to sustain high torque on hydrant valves without injury risk.

Segmented installation of the positioning ball prevents drop-out, resolving the trade-off between reliable locking and manual assembly difficulty.

Gripping tools and a docking bell enable sensor installation through narrow shaft pipes, eliminating supply interruptions.

Integrated control circuit counts tightening cycles to prevent incomplete assemblies while maintaining battery efficiency through periodic operation.

Segmented switching members with spring bias prevent detachment from the main body, maintaining durability during direction changes.

Angled wrench legs maneuver around attached solenoids to remove tight irrigation valve bonnets without excavation.

A segmented shaft with varying rigidity navigates tight anatomical spaces while transmitting sufficient torque for endoscopic screw placement.

A nut socket unit incorporates a freely rotatable maneuver sleeve to isolate operator hands from rotational torque during power wrench operations.

A sector geared ratchet wrench integrates a 5:1 mechanical advantage drive system for high torque transfer.

A wedge type plug seals lateral lines using a deformable fitting tube and threaded wedge mechanism.

A snap hook integrates a pivotally connected screwdriver blade into its frame to provide multi-functional utility.

A signal processing apparatus adjusts digital low-pass filter cut-off frequencies based on detected torque signal half widths to control electric tool motors.

A ratchet wrench employs a flexible fastener to lock a rotary head, simplifying operation in tight spaces.

Offset latching grooves reduce idle rotation in tight spaces, while segmented radial teeth maintain torque capacity without increasing fabrication complexity.

Central sleeve and fixation members join housing halves, reducing dimensions for confined spaces and simplifying maintenance.

Nested coupling sleeves and segmented bit holes resolve the trade-off between compact volume and operational ease for users with larger fingers.

An impact rotation tool separates shaft rotation torque from fastener tightening torque by calculating angular acceleration, ensuring precise motor control.

Flexible jacket simplifies assembly and disassembly, ensuring smooth pivoting and preventing workpiece damage during operation.

Segmenting the gearing casing isolates the torque sensor in the housing, preventing dimensional growth of the swivelling unit and improving handling.

Integrally formed jaws eliminate exposed springs, preventing deformation and contamination while sustaining high-torque stability.

A rotary tool uses pivotable arms and a drive train to transfer torque between multiple rotatable drivers for simultaneous fastener engagement.

Rotatable fastening device replaces bulky motors with gravity-driven impact members to deliver high torque in a lightweight, miniaturized structure.

A locking member blocks the torque adjuster within the wrench adjustment channel to prevent unauthorized setting changes.

Segmented ratchet wrench handle operation piece transmits torque through interlocking teeth and sloping faces.

Segmenting the insulation into two elements resolves conflicts between electrical isolation and selective mechanism maintenance.

A clench wrench uses a bendable resilient member to grip objects securely on the engaging head.

A torque control system stabilizes working voltage via microprocessor feedback to maintain precise tightening output.

Dual ball head connectors allow independent rotation, enabling larger bending angles in confined spaces without frequent repositioning.

Dual hex openings isolate debris accumulation while a spring-loaded detent enables quick size switching, reducing downtime from clogging.

Segmenting the extension from the torque multiplier reduces tool weight while maintaining high torque delivery.

An angled offset speed wrench head provides variable turning angles.

Nested sockets and deformable grips retain Zerk fittings during torque application, preventing loss in tight spaces.

Coaxial pistons alternate fluid flow to drive a sprocket, while an asymmetrical ratchet prevents reverse rotation of the workpiece.

Clearance between the inner socket and its holder allows independent rotation, eliminating repetitive inching operations during nut tightening.

Integrated protrusions eliminate bulky clamp nuts and screws, reducing tool volume while maintaining torque resistance and preventing loosening.

An automated device replaces manual adjustment with fluid-actuated rotation, eliminating operator safety risks while maintaining sealing effectiveness.

Rotating the guide unit imparts unbinding force to strip bindings, resolving precision issues when pulling flat head screws.

A multi-functional standpipe operations spanner tool integrates hex sockets, adjustable wrenches, and valve cap spanners into a single firefighter device.