초록 ▼

A method of making a recess in a drive socket and the like includes forming a groove to extend along a face of an elongated drive opening in a metal workpiece from one end of its drive opening, moving material from the surface of the groove to increase its depth from its outer end along only a porti

A method of making a recess in a drive socket and the like includes forming a groove to extend along a face of an elongated drive opening in a metal workpiece from one end of its drive opening, moving material from the surface of the groove to increase its depth from its outer end along only a portion of its length and gathering the material so moved from the groove surface to form a ledge between ends of the groove, whereby a recess is defined by the groove extending beyond the ledge. In addition, a female drive device for socket wrenches and the like is disclosed having an elongated drive opening, a groove longitudinally extending from one end of the drive opening along a face of the drive opening, and a ledge between ends of the groove. The ledge protrudes radially inwardly such that a recess is defined by the groove extending beyond the ledge for retaining a male drive member.

대표청구항 ▼

[ I claim:] [1.]1. A female drive device for hand, power and impact wrenches and comprisinga metal socket having a drive opening with a first face extending inwardly from adjacent one end of the drive opening, anda groove extending longitudinally along at least a portion of the length of the first f

[ I claim:] [1.]1. A female drive device for hand, power and impact wrenches and comprisinga metal socket having a drive opening with a first face extending inwardly from adjacent one end of the drive opening, anda groove extending longitudinally along at least a portion of the length of the first face of the opening, the groove having first and second opposite ends and a ledge disposed intermediate said first and second opposite ends,the ledge protruding radially inwardly from the groove and defining an elongated lead-in groove portion longitudinally extending between the first groove end and the ledge and a recess groove portion between the ledge and the second groove end, whereby a recess is defined by the recess groove portion extending beyond the ledge for retaining a male drive member, the lead-in groove portion being of greater depth than the recess groove portion.