Gimballed coupling for lead screw and nut assembly

摘要

Gimballed coupling for use with a lead screw and nut assembly having a housing with the nut mounted in the housing and the nut threadedly engaging the lead screw. A transfer plate is provided. A thrust bearing assembly is carried by the transfer plate. First and second bearing members are provided which are disposed between the nut and the thrust bearing assembly. The first bearing member engages the housing and the second bearing member engages the thrust bearing. The first and second bearing members have cooperative spherical surfaces to permit the pivotal movement of the nut with respect to the transfer plate. Means is carried by the transfer plate and the housing for yieldably urging the housing towards the transfer plate. Additional means is provided for preventing rotation of the housing with respect to the transfer plate.