Object detecting actuator and object detecting switch

摘要

The present invention provides an object detecting actuator and an object detecting switch with increased durability. The actuator of the present invention includes a roller that receives a load of an external force; and a roller lever to which the roller is rotatably attached by means of a rotary shaft, the actuator being a displacement member that is displaced in accordance with the load of the force received by the roller, wherein the roller is constituted by a sintered body of stainless steel material impregnated with lubricating oil, and a density of the sintered body of stainless steel material is in a range of 6.45 to 6.7 g/cm 3 .