Patent ID: 7748310
Filing Date: 2010-07-06
Classification: F04B,Y10T

Abstract:
1. Apparatus for securing a cylinder liner to a pumping module, the apparatus comprising one or more arrangements each fastened to said pumping module, each arrangement comprising an assembly including a piston, the piston acting on a tension plate, the tension plate having a stud rod extending therefrom out from the assembly at an end distal to the pumping module and thereon passing through a respective aperture in a clamping member adapted to grip the cylinder liner, the rod having a first portion substantially surrounded by a biasing member and a second portion threaded to receive a nut, wherein initial compression of the biasing member by the tension plate and tightening of the nut toward the pumping module, followed by release of the biasing member forcibly compel the cylinder liner towards the pumping module.