Spanners TRIZ Cases

Independent floating sleeve rotation isolates depth settings from concussive forces during operation.

Driver bit rings absorb torque and distribute impact force through the neck, preventing structural failure during high-load operations.

A control circuit sends a notification signal when torque exceeds a threshold, preventing unexpected reaction forces during operation.

Relocates strain gauges to the handle body to maintain consistent measurement distances across varying screw sizes.

Segmented pivoting jaws enable continuous rotation on variable fasteners, reducing operation time and eliminating complex welding steps.

A two-stage locking electric screwdriver uses an internal gear clutch to modulate torque precisely.

Segmented slidable sleeve allows magnetic attraction assembly recovery from broken tool segments to prevent component waste.

A wheelie bar wrench uses a laser device to project reference lines for precise height adjustment.

Arcuate sliding grooves eliminate stress concentration from holes, preventing spring deformation during high-torque operations.

A torque wrench uses spaced flex sensors to calculate manual force application points for accurate grip positioning.

Inclined guide groove orients screws vertically, accommodating variable head diameters without structural complexity.

A radially flexible drive gear compresses inwardly to engage roller members and transmit torque.

A torque adjusting apparatus uses a lever and catch to control sleeve engagement.

A socket body features a detachable composite pipe sleeve that accepts color coding or printed patterns to distinguish tool sizes.

A reverse mechanism uses a detent slider and hammer to resist back-driving forces in indexing wrenches.

A multi-functional wrench features an archial body and a pivotable ratchet mechanism for precise torque application in tight spaces.

Integrating hex and threaded tips into one bit eliminates time lost swapping bits and reduces the risk of losing small components during weight adjustments.

A helical torsion zone composed of twisted wires absorbs excess torque by elongating, preventing cam-out and stripping when input force exceeds resistance.

Rotating auxiliary handle assembly with band clamp secures ergonomic grip positions, improving operator control during high torque fastener loosening.

Nested tubings and resilient locking bars enable variable hand tool lengths without requiring multiple separate tools.

A power tool controller monitors motor current changes to detect fastener placement and adjust torque transmission.

Wedge members constrain rotation within varied cylindrical surfaces to eliminate ratchet noise and reduce wear during idle cycles.

Quick coupling mechanisms allow rapid bit replacement, reducing wear and downtime.

A screwing tool uses a sliding inner sleeve to adjust the elongated bit length while maintaining non-rotational engagement.

A power tool integrates a torque sensor and control unit to display real-time values during manual tightening operations.

A multi-functional grip tool integrates sockets and a connecting seat system to accommodate screwdriver bits within its main body.

A ratchet wrench utilizes a collar actuator to pivot a direction selector between clockwise and counterclockwise positions.

Segmented flexible shaft transmits torque via interlocking notch and protrusion elements, resolving alignment difficulties in hard-to-reach areas.

A socket buffer groove absorbs energy from the retaining ring to reduce decoupling momentum during wrench removal.

A movable collar assembly shifts linearly to expose distinct fastener driving structures on a single impact socket body.

A ratchet wrench drill attachment uses a perpendicular gear system to convert drill rotation into socket motion for fastener operation.

A hammer union securement tool applies controlled torque to lug components via a dedicated torque member and arcuate mating surface.

Locking assembly transitions flexible interface between pivot and fixed states, resolving adaptability versus complexity trade-offs.

An electromagnetic trigger replaces mechanical springs to deliver reliable haptic feedback while reducing recalibration needs.

A tool handle bit carrier uses a resilient arm to maintain frictional contact with the body for secure storage.

A taping knife integrates a screwdriver bit into its handle, eliminating tool switching and reducing task completion time on construction sites.

Elastic element biases detent into aperture to prevent accidental disengagement during pneumatic tool operation.

A torque wrench adapter uses arcuate slots and radial clamps to engage fasteners of varying diameters without swapping sockets.

A screwing device rotates its terminal member in the tightening direction during re-indexing to maintain precise positioning.

A T-handle wrench uses a sleeve member to move jaws between retracted and extended positions for secure gripping.

Integrating the control board into the motor housing simplifies wiring structures and reduces overall device length.

Segmented pawl block with spring bias prevents dropping during replacement while maintaining smooth rotation.

Segmented wrench design with orthogonal ends provides orientation flexibility to pry loose dirt-clogged ratchets in tight clearances.

Offsetting the driver radially resolves the trade-off between tool portability and force application capability.

A nonconductive installation tool with adjustable sockets fits various insulator shapes.

A constant torque module uses buffer units to transmit rotational force through drive blocks.

A torque structure uses a mobile unit to adjust elastic compression for precise value control.

A hand-held power tool features a rotatable insert tool magazine that stores multiple screw bits within a compact housing structure.

A ratchet tool uses a deforming blocking structure to limit torque transmission between the driver body and sleeve member.

Segmented pawl carrier and gear design reduces manufacturing complexity while enabling reversible drive directions.