Origin of piston pin
Examples from the Web for piston pin
The overheating of the piston can also result from that of the piston-pin.
This piston-pin setscrew construction had become a standard arrangement in automobile practice.The Wright Brothers' Engines and Their Design|Leonard S. Hobbs.
It is important that the bearing at the piston-pin be formed of two parts which can be adjusted to take up the wear.