Multipurpose kitchen machine with working container

Claim 1

A multipurpose food processing machine, having a motor and a tool, comprising: a working container having a first circular bottom portion, including a first centrally disposed aperture, said working container including a first outer wall disposed about the circumference of said bottom portion, and a first inner wall, having a first open free end, disposed about the circumference of said first aperture and extending into said working container; an inner container, removably insertable in said working container, having a second circular bottom portion, including a second centrally disposed aperture, said inner container including a second outer wall, having an upper edge, disposed about the circumference of said second bottom portion, and a second inner wall, having a second open free end, disposed about the circumference of said second aperture and extending into said inner container, said second outer wall including a projection means proximate the outside of said upper edge of said second outer wall for fixedly locking said inner container to said working container whereby rotation of said inner container with respect to said working container is prevented; and a coupling means, including a shaft member having a first and second end, said first end of said coupling means being connected to the motor, and said second end of said coupling means being connected to the tool, the tool projecting into the interior of said inner container between said second inner wall and said second outer wall, said shaft member being connected between said first and said second ends of said coupling means and being disposed through said first and second open free ends of said first and second inner walls, respectively.