Patent ID: 6615448
Filing Date: 2003-09-09
Classification: B60B,Y10T

Abstract:
A self-orientating twin castor comprising: a supporting body, having a substantially vertical wall; a slot, horizontally elongated and passing through said wall; a shaft, driven through said slot; a pair of wheels associated with the opposite ends of said shaft; a vertical receptacle, which is provided in said wall and is axially offset with respect to said shaft; a pivot, being rotatable in said receptacle for connecting the castor to a piece of furniture; two tubular portions, which protrude from opposite sides of said vertical wall and are substantially coaxial to said shaft; a substantially vertical hole, provided in said wall, above said slot and being connected thereto; a spring, accommodated in said hole and acting on said shaft; and a closure element which acts as an abutment for said spring, said hole being open upwards and closed by said closure element, said closure element being constituted by a plug, rigidly coupled to a fairing, which is substantially concentric to said wheels.