Patent ID: 8635942
Filing Date: 2014-01-28
Classification: F02M

Abstract:
1. A lifter structure configured for use in an internal combustion engine, and for actuation by a cam, comprising: a cylindrical lifter guide; a lifter body which is reciprocally moveable in the lifter guide while sliding on an inner circumferential surface of the lifter guide, with drive of the cam; a pair of opposed walls which are continuous to an end of the lifter body and have respective through holes; a pin extending through the through holes of the opposed walls and having two ends swaged onto outer surfaces of the opposed walls respectively; a roller which is disposed between the opposed walls so as to be rotatable about the pin with drive of the cam while being in abutment with the cam; a plurality of swaging side regions that are located at the same sides of an outer circumferential surface of the lifter body as the outer surfaces of the opposed walls respectively; a plurality of swaging side opposite regions defined in the inner circumferential surface of the lifter guide that are located opposite the swaging side regions; and a plurality of escape recesses which are formed in the swaging side opposite regions so as to be spaced from the swaging side regions respectively.