Patent ID: 8616482

Claim:
A kitchen appliance comprising: a base station having a support surface on an upper portion thereof and enclosing a drive means for driving a rotatable drive shaft, said drive shaft comprising a first coupling part at a free end thereof, and a removable bowl comprising an integral bottom part that is supported by the support surface which fits partially inside said bottom part during operation and a coupling member provided in said bottom part, said coupling member comprising a second coupling part for coupling with the first coupling part during operation, and wherein the first coupling part comprises a head with an outer surface on which a number of first cam portions are provided, the second coupling part comprises a socket for interacting with the head, the socket having an inner surface on which a number of second cam portions are provided, said first and second cam portions comprising respective first and second cam faces, said cam faces mating upon interaction of the head with the socket, such that upon rotating the drive shaft the second coupling part rotates in unison with the first coupling part and the bowl is pulled down towards the support surface.