Frictional Force Resistors TRIZ Cases

A backward-tilted pedal linkage creates a closed path that mimics walking motion, reduces foot strain, and supports full-body training.

A cable-linked lifting arm adjusts bike slope and magnetic flywheel resistance together, widening incline range and making riding feel more realistic.

Adaptive magnetic resistance replaces weight stacks to deliver bidirectional cable loading, compact size, and safe mid-motion stopping.

Pivoting brake pad arms and a spring-rocker linkage create full disc contact to reduce stick-slip, noise, wear, and startup effort.

Omni-wheels and a 6°-15° tilted frame let a resistance training sled turn smoothly on uneven ground without lifting or unstable towing.

Two sliding trolleys on a horizontal frame give larger users adjustable resistance for modified burpees that target abs and core.

Conventional fixed resistance units limit equipment compatibility; this detachable reel-and-cable module supports adaptable exercise-machine configurations.

An integrated knob combines magnetic resistance adjustment and auxiliary braking to simplify flywheel control during exercise.

Separate rails for handles and pedals stabilize continuous climbing motion while belts coordinate reciprocation and adjustable resistance.

An eddy current brake adjusts flywheel resistance during each stroke to match different target rowing feels.

Rotational inertia and central gears maintain resistance through direction changes, replacing compression pads and reducing wear on moving parts.

This case uses a flexible central strap, loop, and eyelets to secure gym equipment around a bar quickly and stably.

A dual preload dampener handles tension and compression loads to reduce actuator backlash noise across incline settings.

A dual preload dampener cushions reversing rocker-arm loads, reducing actuator backlash and smoothing feedback across incline settings.

This exercise device uses tracks, independent handles, and force control to combine upper-body strength and cardiovascular training.

A controller varies resistance along a closed trajectory, supporting personalized training for different user conditions and goals.

A bolster-assisted wearable apparatus uses concentric-only resistance to isolate muscles, limit imbalance, and reduce joint pain.

Spring resistance and sensor feedback add adjustable intensity to rolling abdominal exercise.

A friction plate and resistance wheel provide simpler, lower-cost chest expander adjustment without electromagnetic components or batteries.

Articulated bicycle supports and elastic elements enable realistic indoor sway while stabilizing the center of gravity under resistance.

Variable stiffness bumpers absorb impact at the pivot limit, preventing abrupt stops that disrupt natural exercise flow and cause user injury.

A rotating bench exercise machine adjusts resistance and angles to target lumbopelvic core muscles.

Concave guiding rollers roll on flexible guide rails to prevent lateral belt deviation and reduce rotation noise on curved treadmill surfaces.

A rowing simulator drive mechanism combines opposing oar motions into a single unidirectional flywheel rotation using a one-way clutch and bevel gears.

Replacing mechanical non-circular gears, a computer-controlled force generator simulates non-linear sports forces via electromagnetic coupling.

Inclined guide track with overhang retains exercise device rollers, reducing component complexity and fabrication costs.

A portable exercise device uses a rotatable housing and adjustable resistance assembly to provide versatile training for multiple muscle groups.

A golf swing training apparatus guides the user's swing along a predetermined path using an inner guide loop that pivots within an outer base loop.

Spiral inclined surfaces on paired handlebars guide twisting motion, eliminating string twist discomfort and improving portability.

Inclined elliptical tracks guide footpads along natural striding paths to improve exercise ergonomics.

Dynamic trajectory control adjusts pedal curves for varying stride lengths, resolving startup difficulty while maintaining consistent elliptical geometry.

A pivoting exercise frame uses pivot joints and elastomer springs to simulate dynamic cycling motion.

Segmented brake assemblies reduce friction and inertia in a six degree of freedom exercise device.

A free pace elliptical pedal mechanism guides foot motion along adjustable curves to simulate natural walking and jogging.

A self-powered fitness bike uses electromagnetic induction to generate variable damping force without external electricity.

A portable quarter-wheel guides resistance parallel to motion, stabilizing the upper body during trunk twist exercises.

A pivoting lifting arm workout apparatus uses a braking system to control descent speed and ensure safe, adjustable resistance.

A magnetic brake controller uses a shaft and encoder to manage resistance forces on spinner bikes.

Adjustable catch array positioning and variable resistance braking resolve ceiling height constraints while maintaining safe installation in standard rooms.

An eddy current brake system replaces mechanical friction to deliver balanced resistance increments, eliminating unequal adjustment steps.

Adjustable rocker links reposition pedal trajectories to target inner and outer leg muscles while coordinating arm exercise.

A friction exercise device uses an arcuate surface and counterbrake to create undulating strap paths for proportional resistance.

A bicycle trainer uses a fluid resistance cylinder to provide variable pedaling force against the rear tire.

A bicycle trainer employs a lifting mechanism and resistance cylinder to simulate real-world courses with variable resistance.

A Hall sensing module detects magnetic field variations from a rotating magnetic member to output real-time torque signals.

Sliding sliders with traction surfaces and motion tracking components detect foot movement data, mitigating health concerns from prolonged sitting.

A winding mechanism drives pull cables to provide variable resistance, resolving the trade-off between safety and adaptability in exercise equipment.

A non-electric treadmill uses a flexible waist restricting device to maintain user position on the belt.

Coordinated elliptical foot pedals and arm handles engage multiple muscle groups simultaneously, reducing exercise time while folding for compact storage.

A free terrain elliptical exercise apparatus coordinates handle movement with pedal trajectory to adjust stride length dynamically.

A standup exercise apparatus simulates lateral climbing through vertically elongated elliptical pedal motion coordinated with arm levers.