Patent ID: 7610682
Filing Date: 2009-11-03
Classification: A47C,B60B,Y10T

Abstract:
1. A method of affixing a caster onto a wooden or plastic furniture leg of a piece of furniture, said method comprising the steps of: forming a recessed area in the lower end of a wooden or plastic furniture leg, providing a caster comprising a housing containing at least one spherical roller, said at least one spherical roller adapted to contact a generally planar surface for supporting the piece of furniture, the caster having a plurality of spherical balls located in an area intermediate said at least one spherical roller and said housing, an annular recess formed in said housing and extending upwardly from said intermediate area, said spherical balls adapted to move in a continuous circulatory path within said annular recess in said housing wherein said spherical balls are not in contact with said at least one spherical roller and said spherical balls enter said intermediate area from said annular recess by means of gravity, wherein said at least one spherical roller is freely rotatable under load to allow movement of the piece of furniture in any direction; and affixing the housing of the caster within the recessed area of the furniture leg.