FUEL SUPPLY PUMP AND TAPPET STRUCTURE BODY

摘要

A fuel supply pump suitably used for a pressure accumulation fuel injection device of a pressure intensifying type and a tappet structure body suitable for the pump. A tappet structure body that has a roller and a tappet body section for receiving the roller and a fuel supply pump that has such a tappet structure body, wherein the roller is rotatably held by a roller receiver and wherein plate-like or linear restriction means for restricting the movement in the rotation axis direction of the roller is provided.