Apparatus for locomotion by land, air or water adapted for use by the aged or disabled, namely, wheelchairs; manual and powered vehicles for providing or ensuring mobility for disabled persons, patients and elderly people, particularly motor scooters, wheelchairs for the transport of sick and mobility aid vehicles, namely, motorized personal mobility scooters; power recliner back assemblies sold as an integral component of wheelchairs; wheelchair wheels; racing wheelchairs and sports wheelchairs; pediatric wheelchairs; medical carts for disabled persons, patients and the elderly; wheelchair cushions, pads, seats, and seat backs including foam, flowable, and pneumatic cushions, pads, and seats; and head-rests for wheelchair seats, and supporting and holding devices specially adapted for use on manual and powered vehicles in the nature of wheelchairs and motorized scooters for providing or ensuring mobility of disabled persons, patients and the elderly, namely, head-rest support mounts and head-rest support arms; structural parts and fittings for all of the aforementioned goods