Ground digging auger

Claim 1

A GROUND DIGGING AUGER COMPRISING AN AXIAL SHAFT, A SPIRAL WEB EXTENDING UPWARDLY ABOUT SAID SHAFT AND COMMENCING A PREDETERMINED DISTANCE ABOVE THE BOTTOM END OF SAID SHAFT, A SPIRAL BLADE MOUNTED UPON THE LOWER END OF SAID AXIAL SHAFT AND EXTENDING ABOUT THE BOTTOM OF SAID SHAFT UP TO JOIN SAID SPIRAL WEB, SAID SPIRAL BLADE HAVING A SERIES OF CUTTING EDGES ABOUT ITS PERIPHERY, THE BOTTOM OF THE PERIPHERY OF SAID SPIRAL BLADE BEING DISPOSED SUBSTANTIALLY CLOSE TO SAID AXIAL SHAFT AND THE UPPER PORTION OF SAID SPIRAL BLADE JOINING SAID SPIRAL WEB TO PROVIDE A SUBSTANTIALLY CONTINUOUS SPIRAL FROM SAID BLADE TO SAID WEB, AN AXIAL KEYSEAT WITHIN SAID AXIAL SHAFT, A PENETRATING POINT HAVING A KEY PROJECTION UPON ITS UPPER END WHICH ENGAGES WITHIN SAID KEYSEAT, THE BOTTOM OF SAID SPIRAL BLADE HAVING A CENTRAL BOSS WHICH IS DISPOSED UNDER SAID LOWER END OF SAID AXIAL SHAFT, SAID BOSS HAVING AN OPENING CORRESPONDING TO SAID KEY PROJECTION, AND SAID KEY PROJECTION BEING INSERTED THROUGH SAID APERTURE IN SAID BOSS INTO SAID AXIAL KEYSEAT AND A SECURING MEANS CONNECTING SAID KEY PROJECTION TO SAID AXIAL SHAFT FOR MAINTAINING SAID SPIRAL BLADE AND SAID PENETRATING POINT SECURED TO THE LOWER END OF SAID AXIAL SHAFT.