A magnetic charging device for charging the battery batteries of an electric motorized cart has a plug unit a a charger unit. When the battery or batteries are charging, the plug unit and charger unit are releasably engaged with each other by a magnetic connection. A microprocessor controller provides a safety feature that ensures the plug unit is fully engaged with the charger unit before electricity is allowed to flow from the power source to the batteries.

A power supply device that supplies power to multiple carts, a cart, and a method for charging such cart are provided. According to an embodiment of the present disclosure, the power supply device that supplies the power to the multiple carts calculates charging allocation of carts based on priorities of the carts to control charging of the carts.

The invention relates to a stroller frame, comprising at least one motor, in particular an electric motor, for a supported drive of the stroller frame, at least one adjustment device for adjusting, in particular sliding and/or pivoting, at least one adjustable component of the stroller frame from a first position into at least one second position, and at least one coupling device, comprising at least one switching device, such that the potential drive output of the at least one motor is changed, in particular reduced, by at least one adjustment process using the adjustment device.

In this moving body, a walking assist device (1) is provided with: a plurality of drive wheels (50) capable of rotating about a plurality of rotational axes (51) disposed on a circumference centered on the same axis line (C); and a huh case (60) for supporting the plurality of rotational axes (51) so as to be able to revolve around the axis line (C). A first motor (10) is connected to the plurality of drive wheels (50) in a power transmissible manner so as to allow the plurality of drive wheels (50) to rotate, and a second motor (20) is connected to the huh case (60) in a power transmissible manner so as to allow the plurality of drive wheels (50) to revolve.

The invention relates to a stroller frame, comprising at least one motor, in particular an electric motor, for a supported drive of the stroller frame, at least one adjustment device for adjusting, in particular sliding and/or pivoting, at least one adjustable component of the stroller frame from a first position into at least one second position, and at least one coupling device, comprising at least one switching device, such that the potential drive output of the at least one motor is changed, in particular reduced, by at least one adjustment process using the adjustment device.

A medical supply cart system comprising a cart, a refrigeration device, and a power system. The cart includes an enclosure, a handle, a number of wheels rotatably mounted to the enclosure, and a number of supports each configured to be shifted between an operational position and an access position. The refrigeration device is configured to be positioned in the enclosure and retain perishable medical supplies at a lowered temperature. The power system is configured to power the refrigeration device and includes a number of batteries configured to directly power the refrigeration device, a genset configured to charge the plurality of batteries, and a solar array configured to charge the plurality of batteries.

A wheelbarrow with an electric motor built into the wheel helps the user to push and brake the wheelbarrow. A sensor is installed on the handle support, which detects the position of the hand in the axial direction. A button is mounted on the handle support next to the handle. There is an acceleration sensor and a gyroscope on the wheelbarrow. Based on the axial movement of the hand, the wheelbarrow controller calculates the pushing or pulling force of the arms on the handles. The operation of the electric motor is controlled by the wheelbarrow controller via the motor controller, based on the information received from the motor controller, the detected sensor values and the switch status. As a result, the force of the electric motor can be used effectively for an additional drive or braking, so that the required push force of the arms can be reduced. When braking, the motor acts as a generator and charges the battery. Two batteries are placed in the supported legs of the wheelbarrow, which contributes to the weight balance of the wheelbarrow and allows good cooling of the batteries. The construction of the frame provides battery protection and is adapted to transportation on a towing hitch of a passenger car.

A multi-functional stroller comprising an incline detection system, and a braking system. The multi-functional stroller can detect when rolling uncontrolled, or when a user is not grasping the multi-functional stroller and engage the braking system to keep stroller occupant in safety. In embodiments, the multi-functional stroller can have motorized wheel hubs to aid in navigating stairs or uneven terrain.

The automated robotic shopping cart is a shopping cart with a controller and locomotion subsystem. The controller may provide shopping assistance to the shopper and may play audio/visual programming to entertain a child riding in the cart. The controller may wirelessly pair with a phone carried by the shopper and may use battery powered motors to propel and steer the cart such that the cart follows the shopper through a store. The battery may be recharged from a solar panel when the cart is outdoors. A GPS receiver in the controller may determine the physical location of the cart and may activate a brake if an attempt is made to remove the cart from the retail property. The invention may further comprise a reading light to illuminate products and a distress button to request assistance.

A power supply device that supplies power to multiple carts, a cart, and a method for charging such cart are provided. According to an embodiment of the present disclosure, the power supply device that supplies the power to the multiple carts calculates charging allocation of carts based on priorities of the carts to control charging of the carts.