Device designed to ensure the spinning of a wheel support for trolleys in general, wheelchairs, or any other means

Device designed to ensure the spinning of a wheel support for trolleys in general, wheelchairs, or other means, on which a support can be mounted, thanks to the use of no metal components. The device can be fastened using the following couplings and/or fasteners: Screw hole, expansion, plate, pin, gudgeon, and others, if any.