ELECTRIC BRAKE DEVICE

An electric brake device may include: a housing part; a driving part mounted on the housing part; a driving shaft part rotatable by the driving part; a nut part screwed to the driving shaft part, and linearly moveable through rotation of the driving shaft part; a piston part having the nut part inserted therein, and configured to move a pad through the nut part; and a return part mounted on the nut part, contacting the piston part, and configured to induce a return of the piston part.