Compact screwdriver bit

Claim 1

A compact screwdriver bit which can be used interchangeably with a ratchet wrench type driver having a square shaped bit receiving opening and with a screwdriver type having a bit controlling member, of square cross section, said bit comprising: an elongated shank having a screwdriver tip at one end and a flat circular flange at the other end, said flange having a flat surface perpendicular to the axis of the shaft, and centered on the shank, the other end of the shank flaring outward to said flange; and an elongated rectangularly shaped solid body extending in the direction of the shank, one end of the body being secured to said flange and centered on said shaft, said body having a cross sectional shape of a square as viewed in a plane at right angles to the direction of elongation of said body, the other end of said body being rounded, the diagonal of said one end slightly smaller than the diameter of the flange, said body having a longitudinally extending bore centered on said shaft and extending from said other end of the body to a point intermediate both ends of the body, said bore in cross section having the shape of a square, said body fitting detachably into the opening of said driver, said member fitting detachably into said bore.