Spring Guns TRIZ Cases

A one-piece frame, shuttle, and flexure spring replaces rotating coils to cut assembly, wear, noise, and friction in compact micro mechanisms.

An integrated loading and wetting mechanism automates paper cutting, moistening, and firing for cleaner, faster spitball gun operation.

Gas pressure unlocks a spring-loaded drone launcher to cut weight and cost while freeing more tube volume for the drone.

Helical cable take-up journals let a reverse-draw crossbow extend cam rotation beyond 360° for a longer power stroke without enlarging the bow.

A gravity-actuated non-return flap lets a removable magazine refill the hopper quickly without spillage or blocking the aiming sightline.

A rearward-moving slide ejects the top band and reseats the rest, enabling semi-automatic rubber band firing without reloading.

A narrowed launcher element deflects or jams anomalous objects in the guide channel, preventing dangerous high-speed ejection.

A two-part springless trigger and cocking lever simplifies insect projectile firing while maintaining reliable release and low manufacturing cost.

A narrowed, beveled launcher element redirects skewers against the guide channel wall to prevent dangerous ejection while still launching intended objects.

A detachable spring mount and locking assembly makes toy launcher spring replacement easier while keeping the elastic member securely positioned.

A barrel-integrated pulley shortens the spearfishing device while preserving band travel for strong spear launch and better underwater maneuverability.

A shared fluid compressor and variable latch enable rapid sequential shots after one priming action, cutting delay and effort while improving aim.

A front-recess magnet holds the spear without enlarging the head, preserving rubber band holes, reload ease, and shooting precision.

A spring-driven carriage slides along a guide rail to propel projectiles, while a catch and switch provide controlled discharge.

Bulky string shooters need manual reloading; this wearable version uses gesture actuation for hands-free propulsion and retrieval.

Gas pressure unlocks a spring ejection assembly while a separate tool rearms the launcher, reducing motor weight and preserving drone space.

A reverse-draw crossbow wraps power cables around helical guides, extending the stroke 25% to 40% while retaining compact size.

Interchangeable barrels, bands, and wings resolve fixed-configuration limits across prey types and underwater hunting conditions.

A bow leveraging launch mechanism multiplies power string velocity through a spool system to propel projectiles at higher rates.

A rotating tube driven by a motor spins toy gun bullets to generate gyroscopic stability during flight.

Universal linkage assemblies reduce design time by accommodating varied weapon simulations through adjustable length and modular interfaces.

Reversible cam modules allow archers to customize draw length and weight without specialized tools, reducing inventory complexity.

A three-mode toy gun uses a movable mating member and trigger mechanism to switch between manual, single-action, and automatic firing modes.

A snap-fit axle connector uses a teardrop-shaped groove and raised flange to secure archery bow components without tools.

A U-shaped bracket with vertical guides and a spring member biases an arrow stack against a catch for rapid successive loading.

A breech adapter system uses a spring extractor and baffle rod to propel darts with blank cartridges.

Segmented pinching members and self-service biasing resolve jamming and complexity trade-offs in projectile shooter toys.

Viscoelastic cushion with porous channels absorbs bowstring vibration, resolving noise trade-offs in hunting equipment.

Yoke pulleys mounted on brackets redirect cable forces to reduce torque and friction at the pulley bearings for controlled draw force.

High limb tip angle at brace position creates a highly tensioned system that reduces vibration and kick during shot release.

Rotating launch arm propelled by torsion spring discharges foam projectiles through a housing slot, reducing structural complexity for safer operation.

Segmented groove interfaces replace threaded connections to prevent wear and ensure precise registration during manual adjustments.

Two-step priming mechanism divides loading stroke to reduce physical strength required for high launching force.

A revolving sleeve with a cam rail aligns gas conduits to discharge multiple projectiles, solving single-shot limitations in toy launchers.

Segmentation and dynamics principles enable a portable snapper that simulates under-center and shotgun snaps for solo quarterback practice.

A toy disc launch apparatus uses a rotatable pocket to reorient projectiles for discharge.

Rotating frames and adjustable legs reposition the launch assembly, resolving cumbersome manual angle adjustments.

Arcuate compression members isolate recoil and cancel lateral forces while storing energy independently of limb deformation.

Archery bow stabilizer with asymmetrical elastomeric extensions absorbs recoil shock and vibration through flexible deformation.

An elastic cord pouch prevents choking hazards while the rebounding bed enables bouncing motion for children.

Hollow locking ring seals elastic pouch to store multiple projectiles, resolving storage capacity limits in simple slingshot designs.

A gear checked construction uses a check assembly to prevent reverse rotation damage in toy gun driving gears.

A disk launcher platform uses a biasing member and catch mechanism to propel projectiles with controlled spin.

An e-coated flexible cable guard absorbs lateral forces to minimize cam lean, limb twist, and cable wear in archery bows.

Segmented elastic loops engage projectile hooks to distribute launching force, preventing broken strings from whipping toward the user.

Integrated housing engages rubber bands within the hand grip wall to maintain hydrodynamics and prevent water ingress.

Extended spacer contact surfaces distribute stress across bow limbs, preventing overstress failure during flexion.

Threaded adjustment screws on the cable guide enable precise cam synchronization without specialized fixtures.

Rotating compartments eliminate the need to remove and realign the magazine, solving cumbersome reloading alignment issues.