Spanners TRIZ Cases

An electromechanical wrench detects applied torsion via separating contacts, providing a safety alert for precise machine operation.

A screwing tool with a twelve-point inner opening uses rounded transitions to distribute torque evenly.

An integrated extending rod transmits full torque to a driving portion, preventing detachment in narrow spaces.

A rotary impact tool adjusts motor speed and impact energy based on target torque settings.

Segmenting the sleeve into a high-rigidity reinforcing ring and lower-cost connecting body resolves durability versus manufacturing cost trade-offs.

A retaining device secures socket tools using a sliding member and biasing mechanism.

A portable guidance device directs workers through precise flange bolt tightening sequences using a connected torque wrench interface.

An adjustable socket wrench integrates a rotatable member and segmented jaws to grip fasteners across varying sizes.

Axial sleeve movement engages locking apertures to prevent accidental disengagement during power tool operation.

Spring claws and a lock slider align screws automatically, eliminating the need for manual dexterity in confined spaces.

Radial arrangement of the compression spring reduces axial length while maintaining structural simplicity in the torque setting mechanism.

A torque tool cover plate inserts into a chamber wall groove and secures with a retaining ring.

A ratchet screwdriver mechanism uses sliding rotators to pivotally engage a driving shaft for controlled rotation.

A pivotable stop disk on an assembly tool tilts to align a cover plate parallel to the surface.

An adjustable stud mechanism maintains safe distance from sharp burrs while providing mechanical advantage for secure fitting installation.

Merging the motor rotor and inertia drive member into one integrated structure removes backlash from hexagonal joints, ensuring precise torque transmission.

A universal indicator housing secures to motor-driven screwdriver housings via a standardized supporting member.

Segmented adapter assembly uses an intermediary driving post and locking sleeve to engage specialized fasteners, reducing tool wear from repetitive use.

Segmented connecting portions enable multi-directional rotation of the driving portion, resolving adaptability constraints in confined workspaces.

A fastener installation tool uses a removable washer plate guide assembly to accommodate varying washer sizes.

An integrated tool combines nut rotation and rotary body removal into one operation, eliminating separate tools and complex structural modifications.

Pivot-connected modular bodies prevent clamping detachment while storing diverse hand tools in a compact design.

A vacuum shroud captures separated nuts from offset ratchet heads using suction to clear debris.

A manual wrench uses a keyed fitting and elastic pin to secure the fixed jaw while engaging cylindrical elements via a single arc toothed section.

Segmenting the rod into a rigid seat and deformable portion isolates the strain gauge from structural rigidity errors, improving torque value accuracy.

Embedding the pawl in a solid recess eliminates weak pivot holes, resolving structural strength limits during high torque transmission.

A screw remover uses an adjustable collar with splines to expand and grip one-way fasteners of varying diameters, solving the limitation of fixed-size tools.

A staging member with a removable dowel stores ordered ring fasteners while a placement member grips them via flexible arms.

A pneumatic wrench pivot shaft connects a handlebar and tool head via annular grooves and air seals.

Lateral supports on a curved wrench head improve torque transmission to tapered lugs, resolving service life issues in high-pressure applications.

A dual positionable adaptor uses a guide head with pivotable wings to orient fasteners at precise angles.

Polygonal outer surfaces prevent rolling and enable secure wrench engagement, resolving handling issues of traditional round sockets.

Replacing friction-based steel balls with a pawl-ratchet system prevents reverse rotation while reducing wear and heat generation in power rotary tools.

An electronic clutch system manages torque transmission by adjusting current thresholds based on selected driver modes.

Spring-loaded collar secures hammer wrenches to fasteners, eliminating rope tension hazards.

Segmented links within the wrench body adjust via scroll knobs to maintain full-face contact on bolts, resolving grip reliability issues across varying sizes.

Dual action sections with polygonal coupling enable interchangeable tool heads on both ends, resolving versatility versus complexity constraints.

A detachable tool head adjusts to various angles via convex-concave positioning structures.

A radially-locking retaining ring secures a ratchet gear within the head assembly to manage mechanical loads.

A grip device uses a threaded adjustment member to drive sliding components that clamp hexagonal wrenches of varying sizes.

Segmented latching projections distribute torque across annular grooves, strengthening the lock against fracture while providing multiple adjustment positions.

A spring-loaded shear mechanism limits maximum torque on a threaded shaft to prevent thread stripping while maintaining secure clamp engagement.

Segmented jaws pivot laterally to engage tube-nuts in confined spaces while planar surfaces prevent closure during ratcheting, maintaining torque accuracy.

Resilient polymeric grip enhances rotation of medical luer connectors, improving usability for users with limited manual dexterity.

A socket wrench uses a radial positioning ring with protrusions to securely hold sockets during operation.

Merged elastic plate and steel ball eliminate complex assembly while ensuring reliable latching force.

A screwdriving tool integrates a flywheel mechanism with centrifugal masses to enable continuous rotation in the quick-action position.

A multi-function tool integrates multiple socket bodies and drive tips connected by a bridge to handle various fastener sizes.

A voltage limiter circuit constrains motor voltage during generator operation, preventing counter-torques and protecting control circuits from high voltages.