Patent ID: 7393033

Claim:
A shackle, comprising: a) a generally u-shaped shackle body having a bow portion, and first and second end portions; b) each end portion having an unthreaded shackle pin opening; c) a shackle pin that is sized and shaped to simultaneously fit through the shackle pin openings, an end portion of the pin having external pin threads; d) a nut having an internally threaded opening, wherein the nut internally threaded opening and the second end portion pin opening have central axes that are aligned, the nut being rotatable mounted to the second end portion of the shackle body about said axes; and e) a connection of the pin to the nut being enabled by the external pin threads of the shackle pin engaging the internal threads of the nut when the nut is rotated relative to the body, and wherein when the pin is connected to the nut, the pin does not have to rotate relative to the shackle body.