Wing Fasteners TRIZ Cases

A door security apparatus locks classroom doors from inside using a sleeve member and spacer.

Replacing roller latches with a magnetic catch eliminates friction wear and noise while the dead bolt ensures secure closure.

A door check system uses an adjustment slide to modify the effective length of a check link.

Integral pivotable flap protects activation lever from dust while enabling easy installation access.

A work vehicle hood damper integrates a compression spring to assist manual operation.

A dual-function hinge latch mechanism connects opposing carrier sides via a drive bar to enable easy operation.

Resilient post and beam elements interlock the battery cover with the lower housing, preventing unintentional unlatching without adding device complexity.

An eccentric cam converts handle rotation into linear force, immobilizing doors without permanent mounting hardware.

A motor vehicle door locking device applies variable braking torque to prevent collisions with obstacles.

An integrated sash lock and tilt latch assembly uses a pivotable lever arm to connect locking and latching mechanisms within a window meeting rail.

A self-locating casement window control device aligns with physical features to simplify installation.

Custom drive engagement features on nuts and bolts allow authorized access while preventing forced entry when a manual block is in place.

Integrating a spring with moveable support elements simplifies assembly of safety catches in confined hinge systems, reducing complexity.

A universal box lock secures meter boxes via a clamping mechanism.

Raised flank stops on a slider prevent unwanted position changes in a pivotally-mounted bolt cylinder lock.

Integrating the toothed comb with the tightening cam reduces part count while maintaining gap ventilation versatility.

Spring-loaded flexible latch arm clicks upon engagement, resolving the contradiction between economical simplicity and reliable locking indication.

A biased frictional latch assembly holds doors open using mechanical engagement, preventing finger pinching hazards between the door and jamb.

A vehicle door lock switching mechanism uses an inertial lever to block pivotal movement transmission between levers.

Segmented holding arm and intermediary coupling member secure window sash against wind pressure while enabling adjustable ventilation gaps.

A push-push latch uses a pivoting counterweight hammer to obstruct the track during high g-force events.

A restrictor assembly uses interengaging formations to hold a window member against sliding movement along an elongate track.

A push-up device uses a sleeve to restrict rod movement and maintain cam engagement.

A door security device uses a flexible connector and base unit to secure entry points without permanent hardware.

Capacitively pulsed control circuit releases electro-permanent magnets, eliminating continuous power consumption in building door holding applications.

An integrated sash lock and tilt latch fastener system uses a pivotable cam to control a biasing mechanism, enabling cooperative operation through a single handle member.

Segmented spring and latch components maintain reliable electrical contact under vibration and temperature shifts while simplifying manufacturing.

A mortise lock assembly uses a latchbolt bar and pivotally mounted cam member to control vertical rod movement for top and bottom latches.

A pivot positioning pin floats via a flexible mounting assembly to align with locating holes.

A control system calculates door opening degrees using two-dimensional image sensors for moving objects.

Segmented indexing balls engage recesses in a stepped rod to maintain angular positioning against wind forces without requiring high manufacturing precision.

A transport container fastener uses a spring to push the hook into a cup rest position, eliminating protrusion safety risks.

A compressible spring connects U-shaped wedge members to exert upward force.

Recessed latch mechanisms prevent obstruction of the sliding vent while maintaining secure latching.

Segmented installation frame allows independent lock body removal from passive doors, eliminating the need to detach hinges for maintenance.

A modular common tilt latch retractor assembly operates both sash bolts simultaneously via a single release rail.

Angled fastener passages route mounting hardware through the sash lock body to eliminate visible screws and remove separate cover components.

Spring steel clip embraces varying door thicknesses to secure the assembly, eliminating damage from fixed mounting hardware.

A door security device uses a connecting member to link a door plate and floor plate, restricting door movement.

A motor vehicle door unit uses a slipping clutch triggered by drive shaft rotational speed to manage closing force.

A sliding door locking device uses a position sensor to detect traction element alignment for secure engagement.

Inverted interior locking bolt with external tool access resolves the contradiction between classroom security and emergency fire safety compliance.

A lid opening system uses a sliding latch mechanism to fix the pod cover securely.

A cam-integrated locking mechanism moves a retaining bar between release and locked states as the movable leaf opens or closes.

A barrel hinge clip arrests panel movement by compressing annuli against the hinge pin.

A wing opening limiter uses a scissor arm and switching rod to pivot the sash.

A reconfigurable lid structure pivots panels to enable top or front loading access on intermediate bulk containers.

Segmented push-buttons connected by a flexible cable eject the locking mechanism, eliminating power failure risks in emergency exits.

A pivotally mounted blocking hammer with a counterweight rotates to secure the latch mechanism.

A hood prop uses a friction fit connection to pivotally attach the arm, preventing rattling while maintaining an open position.