Apparatus for filling grease guns

摘要

The present disclosure describes an apparatus and method for filling grease guns. The apparatus comprises a top member sealingly and slidable engageable with the interior of a grease container having a generally uniform or non-uniform cross-section. The top member including a socket for sealingly and removably receiving a grease gun body, whereby drawing of grease into the grease gun by rearward movement of a piston in the grease gun body provides suction which causes the top member to inwardly in the grease container and the grease top be forced into the grease gun body.