A compact, relatively low cost twin piston pump (20) especially adapted for the pumping of foods (e.g. juices, puddings or particulates such as stews and chilies) is provided which includes quick detach yoke and clevis assemblies (108, 124, 110, 126) connecting the reciprocable pistons (100, 102) with...http://www.google.de/patents/US4884594?utm_source=gb-gplus-sharePatent US4884594 - Compact twin piston pump
