Staple twister

Claim 1

APPARATUS FOR TWISTING TOGETHER A PAIR OF WIRES, SUCH AS THE LEGS OF A STAPLE COMPRISING, IN COMBINATION, A BODY ARRANGED FOR DRIVING CONNECTION TO A POWER TOOL FOR ROTATION BY THE LATTER; SAID BODY BEING FORMED WITH A PAIR OF RELATIVELY ELONGATED RECTILINEAR BORES SUBSTANTIALLY PARALLEL TO ITS AXIS OF ROTATION AND DISPOSED ON EITHER SIDE THEREOF FOR RECEIVING THE LEGS OF A STABLE FOR TWISTING OF THE LEGS FOR ROTATION OF SAID BODY; LATCH MEANS IN SAID BODY IN ASSOCIATION WITH SAID BORES AND OPERABLE AUTOMATICALLY, RESPONSIVE TO INSERTION OF STAPLE LEGS INTO SAID BORES, TO LATCH THE STAPLE LES AGAINST WITHDRAWAL; CAM MEANS IN SAID BODY NORMALLY MAINTAINING SAID MEANS IN THE AUTOMATIC LATCHING POSITION; AND AN OPERATOR PROJECTING AXIALLY FROM SAID BODY FOR ENGAGEMENT WITH THE TWISTED PORTION OF THE STAPLE LEGS AND OPERATIVELY ASSOCIATED WITH SAID CAM MEANS, SAID OPERATOR, RESPONSIVE TO A PRE-SELECTED TWISTING OF THE STAPLE LEGS, OPERATING SAID CAM MEANS TO RELEASE SAID LATCH MEANS FOR MOVEMENT TO A POSITION RELEASING THE STAPLE LEGS FOR WITHDRAWAL; SAID BODY BEING FORMED WITH A RECESS EXTENDING DIAMETRICALLY OF ITS AXIS OF ROTATION AND INTERSECTING EACH OF SAID BORES; SAID LATCH MEANS COMPRISING A PAIR OF RELATIVELY ELONGATED LATCH BARS DISPOSED IN SAID RECESS AND PIVOTED INTERMEDIATE THEIR ENDS TO SAID BODY, THE LATCHING ENDS OF SAID BARS INTERSECTING SAID BORES; SAID CAM MEANS BEING DISPOSED IN SAID RECESSES NORMALLY IN ENGAGEMENT WITH SAID BARS AND PREVENTING ROTATION OF THE LATTER IN A STAPLE LEG RELEASING DIRECTION.