Metal Working Apparatus TRIZ Cases
- Pocket Knife Blade Stop Pin Chassis Alignment
A pocket knife blade stop pin engages an insert surface to eliminate chassis play and improve one-handed operation precision.
- Vacuum Device for Masonry Drilling Cuttings
A vacuum device separates the suction point from the negative pressure chamber to guide drill cuttings into a collection space.
- Unitary Molded Utility Knife with Permanently Embedded Blade
Injection molding creates a disposable unitary knife that prevents blade migration and product damage through a permanently embedded blade design.
- Rotating Base Cutting Device for Precision Manual Control
A portable cutting device uses a rotating base and stationary handle to enable precise material manipulation with minimal manual effort.
- Razor Cartridge Guard Member Dynamics
A razor cartridge guard member moves vertically relative to the blade housing.
- Friction Sleeve for Hair Clipper Vibration Stability
A friction-enhancing sleeve prevents vibration-induced sliding by converting harmful movement into stabilizing contact forces.
- Conveying Device Single Actuator Switching Member
A conveying device uses a single actuator to drive a workpiece pressing member and switching member along a path.
- Utility Knife Safety Mechanism with Swingable Lever and Linkage
A utility knife uses a swingable lever and linkage mechanism to control blade projection.
- Food Slicer Residue Holding Elements for Easy Cleaning
Pivoting holding elements resolve the contradiction between residue retention and removal ease in food slicers.