Swim Fins TRIZ Cases

Rigid swim fins hinder natural walking; a hinged blade and user-operated lock switch the fin between propulsion and walking positions.

A pressure-responsive paddle stays rigid on correct strokes and separates on errors, providing tactile feedback without electronic sensors.

A shell-enclosed swim aid uses variable buoyancy to match learner support with confidence and progressing swimming skills.

This swimming device secures the ankle and foot in a streamlined alignment, reducing water resistance and leg load.

A convertible swim fin uses a track and rail system to join two independent fins into a unified mono-fin structure.

A flipper blade folds 180 degrees onto its rear part using a cable-actuated locking device and Velcro fastener.

An inline deflecting swim fin pivots its blade via an embedded elastomeric hinge to align with fluid flow.

A heel protective adjustable shoelace integrates a pad and straps to envelop the heel while matching foot length.

A prosthetic fin uses a perpendicular strap to wrap around and secure a residual limb for aquatic propulsion.

A swim fin footwear part with a longitudinal slit connects to a rigid support via lateral clamping means.

A swim fin blade uses a sinusoidal structure to distribute forces evenly across the surface.

Segmented ladder vanes with rotation limiting webs reduce induced drag and ankle stress while minimizing snagging.

Stretchable receptacles eliminate loose straps by providing radial attachment force for secure shoe retention.

A fixed swim fin coupling joins a prosthetic leg to a blade via a soft shell, creating a rigid hydrodynamic unit.

A leg-mounted swimming fin uses a pivoting post and elastic strap to attach securely while allowing natural ankle movement.

An integral fin spine constrains the blade angle of attack, preventing water spillage and vortex generation that reduce thrust.

A buoyant swimming paddle uses a scalloped edge and finger garage to enhance propulsion while eliminating strap discomfort.

A rigid plastic arm brace corrects swimming stroke alignment through adjustable elastic straps.

Segmented side rails and upright ridges direct water flow to reduce drag and improve directional control over flat blade surfaces.

A collapsible leg-mounted diving fin deploys from a compact calf profile to provide underwater propulsion.

Neoprene cover on resilient monofin core eliminates skin abrasion while maintaining propulsion efficiency.

A vertical reactor fin channels water through plastic stops to accelerate flow and generate propulsion.

An elastic constraint element compresses between extended and compressed states to hold fingers securely, resolving retention loss during swimming.

Elastic cuffs stretch to fit ankles while composite fins balance flexibility with structural strength, reducing blister risk from hard materials.

Integrated coupling members on the elongate strap secure the foot while eliminating protruding buckles that degrade hydrodynamic performance.

Segmented elastomeric foot pocket with through holes resolves wearability complexity by enhancing comfort and secure fit.

Vacuum seal in fluid-tight swim fin eliminates bulky heel straps, reducing water drag and improving flip turn speed for competitive swimmers.

Parallel rails link the blade and foot pocket through interlocking male-female joints, eliminating complex connectors that break during travel.

A multi-durometer swimming fin combines rigid central ribs with soft peripheral sections to deliver stable propulsion.

Corrugated ribs strengthen the fin while an elastic cuff accommodates various foot sizes to eliminate blister-causing friction.

A resistance kickboard attachment uses an adjustable rear aperture to provide variable drag for swimming training.

Segmenting the foot pocket from the fin body reduces drag and manufacturing costs by accommodating varied foot shapes.

Segmented swim fin blades pivot to reduce the lengthwise angle of attack, improving water channeling efficiency during the kicking stroke.

A full-body fin uses flexible segments attached to the swimmer's limbs and torso to increase surface area during strokes.

Segmented hydrofoil members and a break point generate secondary thrust while reducing resistive forces during swimming.

Pliable hinges on high aspect ratio swim fin vanes allow dynamic rotation, reducing ankle stress while flexible webs limit maximum vane movement.