Contera crazy floating ball rolling for walking sticks for the blind.

摘要

1. Contera floating crazy rolling ball for canes blind, characterized by a ball (1), a ring with three teeth arranged downward and inclined inward (2), which is supported by a shaft (3), a tab (4) arranged on the shaft (3) to hold the ball above, a nut (5), above the tongue (4), which regulates the game space of the ball (1), inside the ring ( 2) and a spring (6) located on the shaft (3) from its base to press the tongue (4) on the bottom of the nut (5), keeping the ball (1), within its natural location allowing up or down as dictated uneven ground, while rolling in any direction or direction.