| 摘要 |
An apparatus, for measuring the axial position of a piston within a cylinder bore of an internal combustion engine with a spark plug opening aligned at a predetermined angle with respect to the axis of the cylinder bore, which has tubular member threadedly engaging the spark plug opening at one end with a gauge mounting extending therefrom at the other end for mounting a gauge so that a spindle for the gauge extends substantially parallel to or at a relatively small angle with respect to the cylinder bore axis. The tubular member is provided with an off-axis side opening adjacent with and in alignment with the spark plug opening through which the spindle extends into engagement with the piston.
|
