Tap wrench with swivel drive

Claim 1

In a drive tap wrench, the combination of a shank having a chuck at one end adapted to receive a tap and an opposite end having means for shank rotation wherein said chuck comprises a pair of similar symmetrical oppositely disposed spaced jaws, adapted to receive a tap therebetween, said jaws having an exteriorly threaded surface with an interiorly threaded sleeve mounted thereon, said jaws including tapered end portions extending integrally from an intermediate portion of diameter equal to the shank diameter, said spaced jaws being formed by a slot extending longitudinally along the shank axis coextensions with and through the intermediate and end portions of the jaws terminating adjacent the termination of the threaded surface, said sleeve including an upper cylindrical segment threaded on the intermediate portion and of similar length including a lower tapered segment in surrounding abuttment with the tapered portions of said jaws, wherein said means for rotating said shank comprise an enlarged head with a terminal square socket for receiving a socket wrench extension, said head being pivotally secured to said shank by means of spaced bifurcations mounted on a tongue extending integrally from the shank, said bifurcations and tongue being axially coextensive, including a pivot pin mounted transversally through said tongue and bifurcations, wherein said bifurcations have outer cylindrical surfaces forming an aligned extension of the shank exterior.