Method of assembling piston and connecting rod with stepped wris

Details Method of assembling piston and connecting rod with stepped wris Method of assembling piston and connecting rod with stepped wris

1995-10-06

1997-09-02

Cuda, Irene

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

29428, B23P 1500

Patent

active

056619049

ABSTRACT:
A method of operatively coupling an engine connecting rod having an annular opening for a connecting pin with a piston defining apertures in spaced apart pin bosses with the apertures sized differently than the annular opening by use of a connecting pin having a non-uniform diameter, including: first heating the piston so that the apertures in the pin bosses are expanded; chilling the connecting pin; inserting the connecting pin through one of the apertures, the annular opening, and the other aperture; and returning the three parts to ambient temperature conditions so as to axially secure the connecting pin between the spaced shoulders.

REFERENCES:
patent: 1489111 (1924-04-01), Blackshear
patent: 1491155 (1924-04-01), McKone
patent: 1772187 (1930-08-01), Manning
patent: 2100525 (1937-11-01), Sorensen
patent: 2722049 (1955-11-01), Turlay
patent: 3479929 (1969-11-01), Fangman
patent: 3489442 (1970-01-01), Wright
patent: 3943908 (1976-03-01), Kubis et al.
patent: 5367945 (1994-11-01), Halka et al.

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