Patent ID: 7614486

Claim:
A device for transmitting torque in one rotary direction, comprising: a cam plate including notches spaced angularly about an axis; a rocker plate including pockets and spring recesses, each spring recess including a bottom facing the axis, an open end opposite the bottom, first and second walls extending toward the axis from the bottom to the open end, and retainers formed on the walls, each retainer separated by a space from the bottom; rockers, each rocker located in one of the pockets; and springs, each spring located in one of the spring recesses and comprising a strip of folded legs directed toward the axis, including an inner leg located in the spaces, and an outer leg contacting one of the rockers and urging the rocker radially toward engagement with the notches, the strip being looped over an axial outer end of each retainer, the retainers being located between successive folded legs of the strip.