Allen wrench device

Claim 1

AN ALLEN WRENCH APPARATUS OF THE CHARACTER DESCRIBED, COMPRISING, IN COMBINATION, (A) A SOCKET WRENCH BODY INCLUDING (1) A SOCKET PORTION ENTERING THE UPPER END OF SAID BODY, SAID SOCKET PORTION BEING REMOVABLY ATTACHED TO THE DRIVE MEANS OF A STANDARD SOCKET WRENCH, (2) A LONGITUDINALLY DISPOSED CENTRAL CAVITY ENTERING SAID BODY FROM THE BOTTOM THEREOF AND HAVING A POLYGONAL CROSS SECTION, SAID CENTRAL CAVITY BEING OF UNIFORM SIZE THROUGHOUT ITS ENTIRE EXTENT, (B) SPRING MEANS DISPOSED IN SAID CENTRAL CAVITY, AND (C) A SOLID, ONE PIECE ALLEN WRENCH BIT SLIDABLY MOUNTED CENTRALLY IN SAID CAVITY, SAID ALLEN WRENCH BIT COMPRISING (1) A SOLID, LOWER, SCREW-ENGAGING PORTION WHICH IS NARROWER THAN SAID CENTRAL CAVITY, AND (2) A SOLID, UPPER HEAD PORTION, SAID HEAD PORTION BEING LARGER THAN SAID SCREW ENGAGING PORTION, OG THE SAME CROSS SECTIONAL CONFIGURATION AS SAID CENTRAL CAVITY, AND SIZED FOR SNUG ENGAGEMENT THEREIN, SAID HEAD PORTION BEING ADAPTED TO ENGAGE ONE END OF SAID SPRING MEANS, SAID HEAD PORTION FURTHER INCLUDING A CUT OUT PORTION THEREIN, AND MEANS CONTAINED IN THE LOWER END PORTION OF SAID CENTRAL CAVITY FOR ENGAGING SAID CUT OUT PORTION TO PREVENT SAID BIT FROM FALLING FREELY FROM SAIS CAVITY, BUT FOR ALLOWING SAID BIT TO BE REMOVED THEREFROM.