Westinghouse Electric Corporation

Jon P Freudenthal

Albert J Partington

Spencer H Shepard

Phillip D Lloyd

Eddie J Reames

Machine parts are connected together to form an assembly by means of pins which form an interference fit with passages in the parts and whose ends are flush with two opposed surfaces of the assembly. Each pin is provided with an annular groove spaced from one end of the pin by a distance equal to the distance between the opposed surfaces. A positioning member is seated in the groove and the pin is inserted into an associated passage so that the positioning member bears against one opposed surface. After a tight fit is achieved, the protruding portion of the pin is broken away. A device is provided for testing the tightness of an inserted pin. The device may engage the annular groove and apply a tensile test force. Alternatively, after the end of the pin has been broken away, the device may bear against the end of the remaining pin portion and apply a compressive test force.

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Rock Hill, SC, United States of America

Jon P Freudenthal