Patent ID: 7538290

Claim:
An automotive push switch comprising: a substantially box-like case; a hollow pipe projecting upward from the case; an actuator with an operation shaft thereof inserted into the hollow pipe movably up and down; and a switch contact electrically connecting and disconnecting according to vertical movement of the actuator, wherein the actuator is biased upward by a spring contained in the case, and wherein a recess is formed on an outer circumference of an upper portion of the operation shaft that is disposed away from the case, and a projection engaging the recess is provided on an inner circumference of an upper portion of the hollow pipe that is disposed away from the case; the hollow pipe comprises an upper portion disposed away from the case and a lower portion disposed between the case and the upper portion of the hollow pipe; the operation shaft comprises a middle portion disposed downward from the upper portion of the operation shaft; the projection does not extend to the lower portion of the hollow pipe; and the recess does not extend to the middle portion of the operation shaft.