Wedge anchor for tensioning and anchoring wires

Claim 1

AN ANCHOR FOR TENSIONED PRESTRESSING ELEMENTS COMPRISING AN ELONGATED BODY HAVING AN OPENING EXTENDING ENTIRELY THERETHROUGH, SAID OPENING HAVING A CENTRAL LONGITUDINAL AXIS WITH THE WALL OF SAID OPENING BEING TAPERED FROM END TO END, A PLURALITY OF PRESTRESSING ELEMENTS EACH HAVING A STRAIGHT AND NONTWISTED PORTION, SAID PORTIONS BEING DISPOSED WITHIN SAID OPENING IN CIRCUMFERENTIALLY SPACED SIDE-BY-SIDE RELATION ABOUT SAID AXIS AND EACH DISPOSED BETWEEN A PAIR OF ADJACENT ELEMENT PORTIONS, ADJACENT SURFACES OF ADJACENT WEDGES HAVING REGISTERING PAIRS OF COMPLEMENTARY RECTILINEAR CHANNELS, EACH PAIR OF REGISTERING CHANNELS BEING OF SUFFICIENT CROSS-SECTIONAL AREA TO RECEIVE AND TO COMPRESSIVELY GRIP AND RETAIN THEREIN THE STRAIGHT PORTION OF A SINGLE PRESTRESSING ELEMENT IN A TWIST FREE CONDITION, SAID CHANNELS BEING SPACED FROM SAID OPENING WALL, SAID WEDGES HAVING OTHER SURFACES COOPERATING WITH SAID OPENING WALL FOR SQUEEZING SAID WEDGES AND THEIR ASSOCIATED REGISTERING CHANNELS TOWARDS EACH OTHER WHEN THE WEDGES ARE FORCED AXIALLY OF SAID BODY OPENING.