Patent ID: 10563710

Abstract:
A selectable one-way clutch includes a pocket plate having accommodating recessed portions; engaging pieces accommodated in the accommodating recessed portions; a notch plate relatively rotatable with respect to the pocket plate, and having engaging recessed portions; and a selector plate between the pocket plate and the notch plate, including window holes and switches a state where the engaging pieces pass through the window holes and rise, and a state where the engaging pieces are accommodated in the accommodating recessed portions. Further, the engaging pieces include groove portions formed in centers of the selectable one-way clutch, the selector plate includes protruding portions protruding from inner surface of the window holes, and the protruding portions are fit into the groove portions, and the engaging pieces and the selector plate are layered in a rotation axis direction of the selectable one-way clutch, when the selectable one-way clutch is not engaged.