Patent ID: 6138699
Filing Date: 2000-10-31
Classification: A45B,A61H

Abstract:
An anti-slipping base for a walking aid crutch with an upholding pole, said base comprising:a ball-shaped housing at a top of the base for engaging with a ball-shaped end piece with a sleeve which is at an end of the upholding pole;a round cover coupled with the base wherein the sleeve is mounted onto the upholding pole so as to engage the pole;a circumference, which is near the bottom surface on the base and expanded outward to create a dome-shape;screws arranged in holes on the round cover and secured with nuts that are mounted on the base;a raised camber on the bottom surface of the base;an outlet between the raised camber and the ball-shaped housing;a plurality of anti-slipping protuberant granules or rings mounted onto the raised camber;a deep slot in-between the circumference of the raised camber and the circumference of the flat bottom; anda plurality of radial slots positioned on the circumference of the flat bottom and separated from one another.