Patent ID: 7066425
Filing Date: 2006-06-27
Classification: B65H

Abstract:
1. A device with retractable anti-rolling means, comprising a circular rolling flange delimited by a peripheral rolling edge provided with at least one radial anti-rolling projection radially movable between a deployed position and a retracted position, to oppose or selectively allow rolling of the rolling flange on a peripheral rolling edge of the rolling flange comprising a plurality of retractable radial anti-rolling projections, angularly distributed alone the periphery of the rolling flange, and simultaneously moved in a radial direction between a deployed position and a retracted position by a single controlling member that can be actuated by the user, wherein each radial anti-rolling projection comprises the external end of a respective leaf spring extending tangentially from a peripheral edge of a coaxial controlling ring and an oblique intermediate portion of which slides longitudinally in bearing engagement with guides on the rolling flange.