Construction Fastening Devices TRIZ Cases

See how a swivel mechanism with rotary damper and biasing spring controls shelf rotation to pre

See how a sacrificial link breaks under torque attack to protect the locking mechanism, while d

See how a U-profile guide body with snap-fit fastening replaces welding to prevent door warping

See how a pressure plate, flexible rod, and pull spring create a self-actuating locking mechani

See how a segmented coupling element with control plate and lever eliminates articulated arrang

See how a drawer locking mechanism and optical level sensor prevent checkout station trash bin

See how a combination lock with rotating discs and horizontal-vertical bar linkage eliminates k

A slide latch and staggered rail layout secure instruments without silicone, improving sterilization access and safe handle-first removal.

Threaded hinge bolts and pivot rods compensate for rotational molding variation, keeping serving cart doors aligned and securely fitted.

A snap-fit pre-mounted lock profile simplifies enclosure door installation, cuts assembly time, and avoids added transport thickness.

An all-elastic hood locking section keeps a utility vehicle storage hood closed under vibration and impact with a simpler latch structure.

A hinged sliding tailgate opens sideways instead of folding outward, improving access to cargo near the cab in tight spaces.

An adjustable sidecar interlock keeps disconnect linkage outside the enclosure, blocking door opening under power while preserving hygienic space.

A single rotary actuator drives multiple translating latches, enabling fast tool-free roof panel removal while keeping the panel securely engaged.

A gravity-responsive hinge and sealed cover keep an under-hood vehicle stowage compartment easy to open, reliably closed, and protected from moisture and dust.

A separate abutting member and retainer hold the battery pack in place while the lid focuses on sealing out foreign matter.

A separate retainer and abutting member secure the battery pack while the lid focuses on sealing and easier pack removal.

A sliding motor module lets a two-stage vehicle door open partially or fully, improving access in tight spaces while preventing hinge droop.

A cantilevered, hinged transition door spans the cab-body gap to maintain clearance, prevent damage, and support smooth refuse vehicle articulation.

A containment profile with rigid guide elements pre-assembles lock rods, speeding door installation without increasing transport thickness.

A sector gear and dual gear racks let one safety door handle fit left- or right-opening doors with the same pressing direction and no internal redesign.

A fully inserted frame insert secures the bearing block without loading the gear housing, simplifying mounting and preventing gear tilting.

Angled gear teeth below 45° block linear force from retracting racks, keeping shootbolts locked unless the handle rotates the hub.

A pivoting beam and remote latch let rooftop edge equipment be serviced from a safer interior position while protecting roof surfaces.

A spring-loaded hook and rod structure replaces screw locking to speed reliable plate assembly and tool-less disassembly.

Deformation slits in the roof window lock casing absorb impact energy, protect the window structure, and prevent unintended opening.