Rear Leg Connection for Beam Pumping Unit

摘要

A pump jack includes a base, a pedestal supported by the base and a Samson post that supports a walking beam. The Samson post includes a front leg that is supported by the base and a connection bracket affixed to the front leg. The Samson post further includes an adjustable rear leg that is connected between the connection bracket and the pedestal. The rear leg can be rotated and shifted up and down within the connection bracket to ensure that the opposite end of the rear leg is properly located on the pedestal.