Patent ID: 8640505

Claim:
An anchoring system of counterweights for washers and washer/dryer combos, said anchoring system comprising: a plastic moulded tub comprising a cylindrical body and/or a closing flange, at least one counterweight mounted on said cylindrical body and/or closing flange, said counterweight being provided with a truncated-conical hole having a lower end that faces a center of the tub, one or more tubular cylindrical pins with elastic divarication capability, externally provided on said cylindrical body and/or closing flange, each of the pins is configured to penetrate into the corresponding truncated-conical hole, in such a way that a free end of the pin can be accessed from an upper end of the hole of the counterweight, and a divaricating insert with truncated-conical shape, inserted inside each pin to give truncated-conical shape to the pin that allows external walls of the pin to interfere exactly against internal walls of the hole of the counterweight, wherein said divaricating insert is an elastic member a helical spring having the truncated-conical shape before the spring is inserted into the pin.