Skateboards with Detachable Components

A modular exercise system that combines a skateboard with resistance bands and a stopper base for exercise versatility. The skateboard has hookable portions on the deck to attach resistance bands, allowing resistance training while skateboarding. The stopper base holds the wheels in place for stationary exercises. This provides a versatile system for compound exercises that improve both strength and balance.

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A convertible skateboard that can transform into a pair of roller skates. It consists of two skateboards that can be attached to form a traditional skateboard or detached to form roller skates. Each skateboard has foot restraints to secure the user's feet.

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A convertible skateboard that can be transformed into a pair of roller skates. The skateboard has two separate boards that can be attached together to form a regular skateboard or detached to form roller skates. The skateboards have foot restraints to secure the user's feet.

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A single-foot skateboard that allows the user to use the same parts for both feet. The skateboard has a footboard axis and two undercarriages, one for each foot. Each undercarriage can rotate about the footboard axis independently of the other undercarriage. This allows the user to rotate each undercarriage to the desired angle for each foot.

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Convertible caster board that can be switched between two-wheeled and three-wheeled configurations. The board has two platforms connected by a neck. The rear platform has multiple caster mounting locations including one aligned with the board axis and others offset to the sides. By moving a caster between the locations, the board can convert from 2-wheel to 3-wheel mode. The ability to switch configurations provides versatility for different riding styles and tricks.

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A skateboard-based exercise system that allows users to perform compound exercises to improve both strength and balance by combining resistance bands and a skateboard. The exercise system includes a skateboard with hookable portions, resistance bands that can attach to the hooks, and a stopper base to hold the wheels in place. This allows users to perform exercises like squats, lunges, presses, etc. with resistance from the bands while standing on the stationary skateboard for added balance challenge.

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A single-foot skateboard design that allows for interchangeability of parts between the left and right feet which is not possible in the existing Ferrelly device.

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A modular and customizable wheelbase for outdoor sports equipment like roller skates, skateboards, scooters, etc. The wheelbase is composed of a main body made up of rotatable link assemblies that can be connected. Each link assembly has rotational connection points on its ends. These connection points allow the link assemblies to be joined together in series, with each joint rotating in all directions. Wheels are attached to the link assemblies. The modular design allows different-length link assemblies to be assembled as needed. This provides flexibility to adapt to various road conditions by allowing the wheels to rotate and articulate in all directions to always keep contact with the ground.

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A hydrofoil skateboard that can detect the rider's body using sensors embedded in the board. The skateboard has a hydrofoil assembly, a propeller, and a connecting rod connecting the foil to the deck. The sensors are mounted on the top of the deck and are electrically connected to the battery, propeller, and wireless module. This allows the skateboard to detect the rider's position and provide feedback to the rider via the wireless module. It also enables features like auto-leveling the foil based on rider weight distribution.

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Electric skateboard with improved pose detection accuracy and safety. The skateboard has a simple and robust pose detection system using an inertial measurement unit (IMU) mounted on the skateboard body. The IMU measures acceleration, orientation, and angular rate of the skateboard to accurately determine the rider's position and attitude without relying on external sensors or cameras. The IMU data is processed by an onboard electronics to provide feedback to the rider and control the skateboard functions like braking, speed, and steering. The IMU-based pose detection provides a low-cost, reliable, and durable alternative to complex external sensor systems that are prone to damage and failure.

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Skateboard with gravity-sensing control that replaces some wheels with motored hubs and adds pressure sensors to the deck. The sensors detect rider input for steering and braking without needing a separate remote control. The skateboard has a compact control box under the deck containing electronics like an Arduino, Bluetooth module, battery, and motor drivers. This allows converting an existing skateboard into a motorized version that can be controlled by sensing the rider's weight shifts on the deck.

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A skateboard design that allows flipping the board to convert it for different riding styles and user preferences. The skateboard has a uniquely curved platform that is bent upwardly at one end and downwardly at the other. The trucks can be mounted on either end so that the board can be ridden with the curved end facing upward or downward, enabling different styles of riding depending on the user's preference.

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Electric body-sensing skateboard with motion control using deformation sensors. The skateboard has a pedal, battery, motor, and sensor components. The sensor components are placed below the pedal to detect deformation when pressed. This deformation is sent to a microcontroller which converts it into control signals for the motor. This allows the skateboard motion to be controlled directly based on pedal pressure instead of relying on remote controls or foot sensor pressure.

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Electric skateboard with weight-based speed control that increases safety by automatically adjusting speed based on rider weight. The board has weight sensors at the front to measure rider weight. If the weight exceeds a predetermined reference value, the control unit increases the rear wheel speed. This prevents oversteering and provides stability for heavier riders. The reference weight is set by averaging weight measurements over a period after the rider mounts.

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An electric skateboard that can be easily converted between different configurations for commuting, carving, and all-terrain riding. The skateboard has interchangeable components like decks, wheels, and drive systems that can be quickly swapped to adapt the skateboard for different uses. The skateboard also has sensors to measure speed, distance, and acceleration based on motor RPM, wheel size, and gear ratios.

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Electric skateboards that use strain gauges on the trucks, an inertial sensor, and wheel speed sensors to enable intuitive, reliable, and safer control without the need for a handheld remote. The strain gauges detect rider-induced strain on the trucks, the inertial sensor detects accelerations and balance position, and the wheel speed sensors are used to control the skateboard. This allows the skateboard to sense the rider's weight, balance, and motion without requiring manual throttle input. It also provides features like automatic speed reduction when the rider is pushing manually to improve safety and reduce drag.

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Motorized wheel assembly for electric vehicles like skateboards that can be easily and quickly removed and replaced without tools. The wheel has a quick-release mechanism with a central fastener that locks into the axle. It allows the motorized wheel to be quickly mounted and dismounted from the axle using a single fastener. The fastener can be actuated to engage and disengage retaining features on the axle and wheel boss.

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Wheel core assembly for a skateboard or similar recreational device that allows easy reversal of the wheel orientation to extend the life of the wheel. The wheel core has an internal chamber with bearings and a spacer that can be switched to either side. This allows the user to flip the wheel on the axle when one side cones from wear, and use the other side. The bearings are configured for easy removal and installation without special tools.

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A universal electric vehicle frame that can be easily swapped between different wheel assemblies to change the vehicle type. The frame has interchangeable wheel assembly fasteners on each end to connect to a specific type of wheel assembly like scooter, skateboard, or bicycle wheels. The frame also has a battery compartment, connectors, and motor to power the vehicle. By swapping the wheel assemblies, the frame can convert between scooter, skateboard, and bicycle configurations.

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A modular electric drive system for skateboards that can be retrofitted to existing decks. The drive module includes an axle with wheels and an electric motor, a frame, and a removable energy storage unit and controller. The frame attaches to the skateboard deck using a standardized hole pattern. The modular design allows the drive system to be easily added or removed from any skateboard deck.

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