Variable control means

Claim 1

IN A MACHING TOOL COMPRISING, A GENERALLY RIGID, ROTATABLE CONTROL MEMBER, OPERATING MEANS MOUNTED ON SAID MEMBER AND PROJECTING THEREFROM, SAID MEANS PROJECTING A PREDETERMINED DISTANCE FROM SAID MEMBER, SAID DISTANCE BEING OF SUCH EXTENT THAT SUCH MEANS NORMALLY CLEARS ASSOCIATED ACTUATABLE MEANS UPON ROTATION OF SAID MEMBER, AND MEANS DETACHABLY CONNECTED IN SNAP-FASTENED RELATION TO THE FIRST MENTIONED MEANS FOR EXTENDING SAID FIRST MENTIONED MEANS A SUFFICIENT AMOUNT FOR CAUSING ENGAGEMENT OF THE LATTER WITH THE ASSOCIATED ACTUATABLE MEANS UPON PREDETERMINED ROTARY MOVEMENT OF SAID MEMBER, SAID OPERATING MEANS COMPRISING A STUD-LIKE MEMBER PROJECTING RIGIDLY FROM SAID CONTROL MEMBER, SAID STUD-LIKE MEMBER HAVING AN ENLARGED HEAD PORTION EXTENDING FROM THE EXTERIOR SURFACE OF SAID CONTROL MEMBER, A SHOULDER PROJECTING GENERALLY RADIALLY FROM SAID HEAD PORTION, AND CAM MEANS ON SAID SHOULDER FOR FACILITATING MOVEMENT OF SAID DETACHABLE MEANS INTO SNAP-FASTENED RELATION WITH SAID HEAD PORTION.