Patent ID: 8720318

Claim:
An actuator comprising: a body; a displacement mechanism having a displaceable body, which is disposed in the body for displacement along an axial direction of the body; and a guide mechanism having a main body portion attached to the body, a guide shaft, which is disposed substantially in parallel with the displaceable body, and which is supported displaceably along the axial direction with respect to the main body portion, and a connecting member that interconnects the guide shaft and the displaceable body, wherein the guide mechanism is disposed detachably with respect to the body, wherein the main body portion of the guide mechanism includes a recess in which the body is installed, and wherein the main body portion of the guide mechanism includes at least one positioning pin that projects into the recess for engagement with a respective at least one aperture of the body to carry out positioning of the main body portion with respect to the body.