Patent ID: 7258029

Claim:
A device for connecting together a vertically disposed roller screw and roller nut assembly to a stationary member and a moving member, said device comprising: a bearing housing attached onto a fixed end of said roller screw; said bearing housing including at least one bearing and two bearing house pivots radially disposed 180° apart on a horizontal plane perpendicular to the roller screw longitudinal axis; a first universal ring concentrically surrounding said bearing housing; said first universal ring including two mating pivots mated with said two bearing house pivots and two attachment pivots spaced apart and radially disposed 90° from said mating pivots mated with corresponding pivots on the stationary member; a roller nut mount rigidly attached to said roller nut; said roller nut mount including two roller nut mount pivots radially disposed 180° apart on a horizontal plane perpendicular to the roller screw longitudinal axis; and a second universal ring concentrically surrounding said roller nut mount; said second universal ring including two mating pivots mated with said two roller nut mount pivots and two attachment pivots spaced apart and radially disposed 90° from said mating pivots mated with corresponding pivots on the moving member.