Patent ID: 6494815
Filing Date: 2002-12-17
Classification: A47D

Abstract:
A walker comprising:a base; a seat operatively coupled to the base; first and second rollers respectively mounted at first and second corners of the base; third and fourth rollers respectively mounted at third and fourth corners of the base, each of the third and fourth rollers being restricted to forward and rearward rolling movement; a first brake positioned to constantly apply friction to the third roller; a second brake positioned to constantly apply friction to the fourth roller such that the walker is constantly braked against pivoting movement, forward movement, and rearward movement; a braking surface; and a spring positioned to cause frictional engagement between the third roller and the braking surface, wherein the base includes a pair of walls, the third roller is mounted between the pair of walls, and at least one of the pair of walls comprises the braking surface.