Spanners TRIZ Cases
- Clamping Structure With Curved Inner Surface For Damaged Fasteners
A clamping structure uses inclined planes and curved arcs to grip fasteners securely.
- Multi-nut Driver with Reversible Barrels for Tool Consolidation
Nested reversible barrels consolidate multiple nut driver sizes into one tool, reducing the time and cost of carrying separate implements.
- Torque Power Wrench Safety Mechanism for Finger Injury Prevention
A torque power wrench uses a two-hand interlock to disconnect the reaction arm when only one hand operates the trigger.
- Pivotal Wrench Head With Wave Washers To Reduce Friction
Wave washers sandwiched between a wrench driving head and its arms reduce friction during pivoting while preventing bolt loosening.
- Ratchet Wheel Wrench Spring Fixation via Extraction and Merging
A ratchet wheel wrench design integrates a spring-mounted tooth support with a reed protuberance seated in the spring for secure mounting.