GREASE THIEF

Apparatus to acquire a grease sample for subsequent testing from a grease-lubricated component such as a bearing, gear, valve actuator, electric motor housing, bushing, or lubricated sliding surface, namely, a non-medical syringe, and grease testing apparatus for measuring one or more physical properties of a grease sample, namely, an extrusion die, a pusher to extrude the grease through the die opening, and a sensor for measuring the force applied by the pusher extruding the grease