Safety Arrangement TRIZ Cases

A lock housing uses a bidirectional shaft and cam to secure muzzle devices against unauthorized access.

A firearm hammer employs a movable locking lug to shift position relative to the pawl, preventing unintended firing during impact loads.

A side-loading magazine uses a sliding panel to access the interior for reloading.

A conversion device links the magazine catch bar to the upper receiver position, requiring disassembly to release the magazine.

Motorized locking assembly uses an eccentric to block trigger safety mechanisms for firearms.

Interlocking protrusions and a sloped button reduce actuation force, maintaining handgun control during slim-profile operation.

Light-absorbing materials at the magazine release area reduce false detections caused by reflective surfaces, improving sensor accuracy.

An electromechanical lock controlled by a smartphone app prevents firearm discharge when biometric data indicates user incompetence.

Rotating the bolt disengages lateral locking forces, simplifying dismantling while maintaining firing reliability.

Modular emergency device mounts under the barrel or on the magazine to transmit positioning data and audio without obstructing the user's field of view.

A dual trigger assembly uses a slotted primary blade and pivoting secondary blade to require simultaneous actuation for firearm discharge.

Automated system replaces manual calculations with spherical projection algorithms, reducing errors in weapon safety predictions.

A modified M1911 handgun frame integrates a double-stacked magazine well to accommodate larger capacity ammunition storage.

A hybrid breech locking mechanism uses a linear slide and gas piston to secure the weapon housing.

An encoded optical clearance signal releases automated weapon locks only when spatial and authentication conditions are met, preventing misuse.

A shooting accessory uses two laser pointers mounted at a fixed angle to define a safe vertex.

Dynamic bolt catch positioning enables 0.22 caliber use in AR-15 rifles, reducing recoil and noise while maintaining versatility.

A firing pin roller and counterweight balance radial forces to minimize mechanical friction, reducing trigger weight and improving shooting accuracy.

A projection tool integrates a monitoring unit to detect spray direction against an authorized beam.

An electric lock and manual lock secure a firearm while wireless activation reduces unlocking time.

A training magazine integrates a safety block to lock the firearm bolt in the rear position.

An offset ridge in the magazine block prevents slide lock engagement, enabling continuous dry fire practice without manual disengagement.

A semiautomatic firearm incorporates a locking mechanism to secure the movable assembly in a compressed position after each shot.

Integrated firearms electronics system calculates orientation and movement data for heads-up display transmission.

Magnetic retention in a clothing compartment aligns the video recorder and prevents accidental button presses during high-stress operations.

Safety bar blocks trigger mechanism until magazine removal and chamber clearing, preventing accidental discharge during takedown.

A flared recoil intensifier amplifies barrel return motion to generate a reliable detection signal for externally powered machine weapons.

A detachable trigger cover blocks firearm access without complex locking mechanisms.

A firearm trigger mechanism uses a pivoting lever to adjust pull length and sear pressure.

Independent hardware interlocks synchronize and authenticate control messages, preventing software transients from compromising weapon safety.

A gun safety device detects shooting direction and identifies targets in the risk area using wireless location data.

Fingerprint recognition system unlocks firearm trigger lock, preventing mechanical picking attacks through biometric authentication.

A function stopping engagement part disconnects power supply to the motor when no bullets remain in the magazine.

A firearm trigger assembly with a movable pivot axis shifts the release element out of the breech movement space.

Oversized pin apertures in the receiver enable tool-free assembly of the trigger, resolving compatibility issues with unique design features.

A modular trigger assembly uses extendable set screws to constrain movement within the firearm lower receiver.

A trigger mechanism uses distinct hammer sear and notch engagement zones to retain the hammer element securely in the ready position.

Solenoid locking mechanism secures firearm accessories via remote electronic control, preventing unauthorized removal and tracking usage data.

A striker-fired firearm trigger bar pivots via a camming member to enable slide removal for maintenance.

Operating mode selection mechanism switches between mechanical and electronic firing modes via a linked activation switch.

Permanent magnets in a glove align with corresponding magnets in a firearm trigger guard to generate force that disengages the safety without electronics.

A modular blocking rod fits inside a firearm barrel to physically prevent cartridge entry while maintaining the weapon's external shape.

A firearm safety selector lever uses a spring-biased coupling to secure the assembly without removing the grip.

A security element within the grip piece blocks the grip safety arrangement when the magazine is removed.

A biometric gun uses fingerprint sensors and a Joule heating actuator to lock the trigger bar.

An external rotatable tab blocks slide movement and hammer rotation, preventing accidental discharge without complex internal components.

A crossbow trigger assembly integrates a movable safety member and arrow sensing system to control bowstring release.

Relocating the magazine release latch to the rear edge of the trigger guard allows thumb actuation during normal grip, eliminating awkward hand repositioning.