Slim pantograph jack

摘要

A jack includes a base, a load rest, first and second lower arms each pivotable to the base, and first and second upper arms each pivotable to the load rest. The first lower arm and the first upper arm are pivotably connected at a first joint and the second lower arm and the second upper arm are pivotably connected at a second joint. A drive screw moves the joints toward and away from each other upon rotation of the drive screw. A bearing receives the drive screw therethrough. The arms each form a longitudinally extending channel and the bearing is located outside the channels. The bearing has a lateral width greater than a lateral width of the channels and is located between a bearing engagement surface of a bearing support and an abutment of the drive screw.