Patent ID: 8794379

Claim:
An ascender device for ascending on a first rope and a second rope, the ascender device comprising: a first ascender; and a second ascender assembled to the first ascender by a securing device, each of said first and second ascenders respectively comprising a metal flange, an aperture being cut out at a bottom part of the respective flange forming a flange section for providing a grip on an outside of the respective flange, a trough arranged at a top part of the respective flange for passage of a respective rope of said ropes, and a swivel cleat equipped with a surface for jamming the respective rope in a bottom of said respective trough, wherein the flanges are directly joined on an inside by two superposed branches of the flanges and securely attached to one another by the securing device, wherein the first and second ascenders are identical and are joined as reversed by being positioned 180° with respect to one another about a vertical axis extending parallel to a major length of the troughs, and the flange sections are symmetrical with respect to the vertical axis so as to be able to be held simultaneously by a user's right hand and left hand, and wherein the swivel cleats jam the ropes simultaneously during use.