Patent ID: 8182135

Claim:
A mixing machine, comprising: a base; a head including a rotatable output member for receiving a mixer tool; a support column extending vertically from the base to the head; a bowl receiving assembly below the head, the bowl receiving assembly configured to move vertically along the support column and defining a bowl receiving location; and a bowl lock assembly including a moveable bowl lock member carried by the bowl receiving assembly and having an unlock position and a lock position, wherein 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; wherein the bowl lock assembly comprises a cam member including a cam profile, the bowl lock member comprising a follower that rides along the cam profile, the cam member and the follower both located internally of a central support of the bowl receiving assembly, the bowl lock member comprises a projecting pin member having one end internal of the central support and forming the follower and an opposite end that extends laterally through an opening of the central support toward the bowl receiving location.