US Patent 8182135 Mixing machine with bowl support

A mixing machine includes a base, a head including a rotatable output member for receiving a mixer tool and a support column extending vertically from the base to the head. A bowl receiving assembly is below the head. The bowl receiving assembly is configured to move vertically along the support column and defining a bowl receiving location. A bowl lock assembly includes a moveable bowl lock member carried by the bowl receiving assembly and having an unlock position and a lock position. The bowl lock assembly is configured such that placement of the bowl lock member in the unlock position or the lock position depends on a vertical position of the bowl receiving assembly.