Actuator object detection and object detection switch

Abstract

An object detecting actuator (7) comprising: a rotary shaft (15); a lever roller (13); and a roller (17) which is rotatably attached to the roller lever (13) through the rotating shaft (15) and adapted to receive a load of an external force and adapted to move the actuator object detection (7 ) according to the load of external force, characterized in that the roller is composed of a sintered body comprising material stainless and impregnated with lubricating oil steel, wherein the density of the stainless steel material is in a range of 6.45 to 6.7 g / cm3.