Reels TRIZ Cases

A tubular retaining portion nested inside a through-hole suppresses rattling during reciprocation while maintaining a compact axial length.

A recessed portion on the first main body part reduces fingertip interference during palming, resolving the trade-off between high gear ratio and grip comfort.

A dual-bearing reel operating lever adjusts its attachment angle via a major axis sliding motion through an elongated through hole.

A dual-bearing reel uses a rotating member to switch positions for spool removal and comfortable gripping.

Asymmetric support member seals through-holes to block foreign matter while offset locking prevents line curling.

Spiral grooves on the main shaft drive a transmission claw to reciprocate the spool, preventing partial tangles and ensuring uniform line arrangement.

A spool brake device uses electromagnetic induction to detect rotational speed and determine water landing state.

A pinion gear with a plated coating enables smooth axial movement, resolving slide resistance without increasing bearing size or reducing structural strength.

Opposing rotary restricting units constrain the handle rotation to prevent unexpected detachment during fishing operations.

A dual bearing reel spring member fixed to a boss portion retains the bearing and restricts cap rotation.

A dual-bearing reel cover uses a torsion spring to automatically urge the side panel into an open position for spool access.

A magnet brake mounts circumferentially across the spool axis to control braking force via adjustable facing area.

A magnetic casting brake uses a curved cam to adjust magnet position relative to the spool, resolving backlash prevention versus retrieval ease.

A dual-bearing reel uses an axially overlapping fixing portion to secure the cover member.

A rotatable line transfer mechanism with a hemispherical cap prevents line twist and entanglement during casting and retrieving.

A fishing reel handle return position adjustment mechanism uses a segmented engagement interface to set the handle rotation angle.

Segmented elastic arms stabilize frictional force in the pawl pivot controller, preventing deformation and line breakage during operation.

A dual-bearing reel uses a cam mechanism to move the shaft support part axially, enabling easy cover removal.

An accommodation recess in the reel body houses a switching member to prevent environmental deformation, stabilizing bail arm attitude switching.

Spring-supported brake shoes maintain contact with the spool cover as rotational speed drops, preventing line entanglement when centrifugal force fades.

Compressed gas propulsion stabilizes projectile trajectory and eliminates mechanical decay in tree removal tools.

A centrifugal brake system uses eccentric shoes and a dial controller to adjust braking force on fishing reels.

A bait casting reel design adjusts the gap between braking magnets and the spool to maximize magnetic braking force.

A compensatory magnetic brake structure uses rotating magnets and centrifugal assemblies to adjust braking force dynamically.

Segmented guide holes with angled surfaces prevent knot entanglement during winding, ensuring orderly line passage.

Segmented weight slots adjust the balance point of compact reels against heavy artisan rods.

A fishing reel braking force control system uses a microcomputer to dynamically adjust spool resistance based on sensor data.

Segmented brake shoes detach from fixed pivot supports to resolve the trade-off between reliable braking force and ease of repair without tools.

Merged motor case and set plate eliminate cumulative tolerance to ensure output shaft coaxiality.

Dual detectors measure line release and spool rotation speeds, enabling a control assembly to adjust the brake assembly and prevent backlash during casting.

A dual-bearing reel uses a regulating member to control the clutch return mechanism.

An abutting member blocks through-holes in a spinning reel housing to retain rod members.

Segmented intervening member aligns annular wall with spool shaft to prevent fishing line entanglement.

A spool controller adjusts braking force based on detected tension and rotational speed to manage line winding dynamics.

An adjustable conductive ring shifts relative to a magnet to prevent backlash during light lure casting while maintaining strong braking for heavy loads.

Front-mounted drag assembly positions brake mechanism at reel front to resolve trade-off between accessibility of drag adjustment and reel body length.