Cartridge Extractors TRIZ Cases

Segmented rods linked by barbs prevent fatigue failure while a squeegee flange removes residual paint for reliable marker performance.

A polymer cleaning device with radial arms containing glass fiber polishes firearm bolt tails through rotational sliding contact.

Integrating a bolt head groove with a stationary ejector reduces installation space while ensuring reproducible lateral case discharge.

A converted M3A1 replica fires blank cartridges through a misaligned chamber and exhaust gas barrel.

A mounting device grips weapon rails using movable side portions and a camming mechanism.

Variable bolt locking positions accommodate short, medium, and long cartridges with shoulders, eliminating manual headspace adjustments.

A flexible pull system moves cleaning elements through firearm barrels using a draw cord and specialized handles.

A dual handgun assembly uses a ball joint clamp to pivotally attach a secondary weapon for three-dimensional aiming.

A rail-mounted cartridge catcher uses a downwardly angled container body to deflect spent cases, preventing rebound hazards and vision obstruction.

A foldable handgun uses a pivotable handgrip movable along the frame to collapse into a compact storage configuration.

A cartridge extractor with a support brace wider than 0.095 inches distributes extraction forces across a curved interface.

A handgun mount attaches to a long gun forend, enabling simultaneous firing and pump action actuation without hand repositioning.

Multi-function shell extractor tool merges extraction, cutting, and prying capabilities into a single compact device for rapid casing removal.

Segmented sleeve attachment resolves the contradiction between operability and modification complexity, enabling secure mounting on stock firearms.

Co-molding a metal bearing tube inside a polymer housing reduces rifle weight while maintaining heat resistance and reliable operation.

A bracket mechanism secures firearm accessories via a manual compression system, eliminating tool-assisted removal and bulky designs.

A firearm cartridge feeding mechanism uses a lifting ramp and extractor to grip the cartridge rim for positive control during cycling.

A quick disconnect rail mount uses a cam member to secure accessories.

A quick-release coupler uses a keeper finger to secure a tapered plug within an aperture for rapid vertical detachment.

Centralizing the ejector on the bolt face reduces the moment arm and shortens the ejection path, resolving AR-15 reliability issues.

A bolt manipulation bar applies mechanical leverage to force a stuck carrier open.

A vertically oriented internal magazine within a gunstock delivers ammunition cartridges through biased-retaining arms.

Telescoping barrel extensions and rotation mechanisms customize grip dimensions, accommodating varying user anatomies.

A bolt assembly uses a spring-biased ejector element and linkage to enable positive cartridge ejection.

A breechblock extractor uses recoil energy to remove cartridge cases during forward motion.

Variable wall thickness reduces silencer weight by 5-8 ounces without compromising structural strength or sound suppression.

Segmented pouches and dynamic straps resolve the trade-off between rapid reload speed and carrying system complexity.

Segmented tool inserts nest within a portable case to reduce bulk while maintaining comprehensive cleaning capability.

A rotating extractor cam mechanism reduces friction between the hook and cartridge rim during slide closure.

A collapsible frame supports a flexible pouch that intercepts falling magazines and projectiles during rapid reloads.

Segmentation and universality principles resolve the complexity trade-off in modular firearm bolt assemblies.

Integrated blade and wrenches on the ambidextrous charging handle resolve versatility versus complexity trade-offs.

A stirrup-shaped extractor assembly uses a plunger and biasing element to secure cartridges within the firearm slide.

A bolt assembly rotates a head within the body to lock into battery without extending outward.

An integrated extractor uses an elastic leg to bias a hook toward the cartridge rim for reliable extraction.

A weapon sight mount uses links to articulate an upper portion between use and storage positions.

A firearm sight tool uses a clamping assembly and press mechanism to secure slides.

An angled rear extractor surface in a stoppage-inducing cartridge prevents reliable ejection, enabling realistic failure-to-extract training simulations.

Segmented magazine slots and spring-loaded arms reduce operator error during ammunition switching.

A shotgun fitting tool uses a cross-shaped portion to divide an aligning surface into four distinct regions for visual alignment.

A spring-biased hinged flap on the breech bolt head engages cartridge rims to push rounds into the chamber.

A collet chamber assembly uses independently movable components to radially expand and contract during firing.

Spring-loaded dovetail clamps enable one-handed attachment without tools, solving the trade-off between portability and serviceability.

A floating side rail clamp adaptor uses a leaf spring system to secure weapon accessories.

Multi-purpose gunsmithing fixture uses a T-way alignment to secure an upper receiver for maintenance tasks.

Wedge-shaped front and rear spacers modify the magazine well to accommodate smaller caliber magazines, ensuring secure retention and efficient feeding.

A breechblock utilizes recoil impulse to extract cartridge cases.

Segmented extension tab allows quick extraction from tight pouches while maintaining shock protection for internal components.