Washers TRIZ Cases
- C-Shaped Retainer Coupling Mechanism for Tool-Free Detachment
A C-shaped retainer snaps onto a leg member to secure a supporting element without tools.
- PAI-PTFE Coated Washer for Drive Shaft Wear and Corrosion
Composite PAI-PTFE coatings prevent matrix exposure and corrosion noise by maintaining low friction coefficients on drive shaft washers.
- Dowel Chamber Adapter for Window Frame Moisture Sealing
A dowel chamber adapter guides screws through window frames while providing a hermetic seal against moisture ingress.
- Bolt Holding Device with Spring Retention for Tool-Free Assembly
Spring-loaded retaining arms automatically lock an inserted bolt, resolving the trade-off between secure retention and assembly complexity.
- Connection Assembly Intermediate Element Head Nesting
A connection assembly nests a connecting element head within an intermediate element to secure metal strips.
- Dual-Seal Anchor Assembly for Liquid-Tight Integrity
A dual-seal anchor assembly uses perforated discs and tubular collars to create a liquid-tight barrier at penetration points.
- Anchoring Fastener Assembly with Barbed Bushing
Radially extending barbs dig into metal sheets to prevent bulging while maintaining flush attachment.