Means for making frozen products including a detachable cover

Claim 1

A PORTABLE MIXING UNIT OF THE CLASS DESCRIBED COMPRISING: A RECEPTACLE OPEN AT ONE END; A COVER CLOSING SAID ONE END OF THE RECEPTACLE; MEANS FOR SECURING THE COVER FLUID-TIGHT TO THE RECEPTACLE; A DRIVING CONNECTOR ROTATABLY MOUNTED PERMANENTLY IN THE COVER AND HAVING MEANS ADAPTED FOR AN AXIALLY SEPARABLE OPERATIVE CONNECTION TO A ROTARY DRIVING MEMBER IN A FREEZER SPACE OF A REFRIGERATING APPARATUS, SO AS TO BE DRIVEN THEREBY; A STIRRING ELEMENT HAVING A SHAFT ROTATABLY MOUNTED AT ONE END IN THE BOTTOM OF THE RECEPTACLE; THE OTHER END OF SAID SHAFT AND SAID DRIVING CONNECTOR HAVING CO-ACTING MEANS DEFINING AN AXIALLY SEPARABLE OPERATIVE CONNECTION THEREBETWEEN AND MOUNTING SAID SHAFT IN THE COVER FOR ROTATION BY SAID CONNECTOR WHEN THE COVER IS APPLIED TO THE RECEPTACLE; SAID COVER HAVING CIRCUMFERENTIALLY SPACED LOCKING LUGS ADAPTED TO CO-ACT WITH LOCKING LUGS IN THE FREEZER SPACE.