Bremsvorrichtung für selbstorientierende Zwillingslenkrolle

摘要

Braking device for a self-orientating twin castor composed of two wheels (12) which are rotatably mounted at the opposite ends of a spindle (6) that is driven through a seat of a support (1) which is composed of a vertical wall (2) that lies between the wheels (12) and in which a cylindrical recess (8) is formed with a vertical axis that is eccentric with respect to said spindle, the recess (8) being open in an upward region for the engagement of a pivot for mounting the castor in a piece of furniture; characterized in that it comprises a lever element (28) which can be coupled to the wall (2) so that it can oscillate between two positions about an axis that is parallel to said spindle (6), the lever element comprising an arm (30) for blocking said wheels (12), which lies between the wheels, and an actuation arm (29), which can be accessed by a user, retention means being furthermore provided for retaining the lever element (28) in the two positions, the blocking arm (30) being suitable to block the rotation of the wheels (12) in one of the two positions and to allow their rotation in the other one of the two positions. <IMAGE>