Wrist pin for a two-piece piston

Details Wrist pin for a two-piece piston Wrist pin for a two-piece piston

1994-06-16

1997-05-13

Kim, Harry C.

Joints and connections

Articulated members

Pivoted

403157, 403151, 92187, F16C 900

Patent

active

056285779

ABSTRACT:
Wrist pin for a two-piece piston, having a cylindrical external surface (41) and an internal surface with an internal diameter, throughout the length of the pin (40). The end portions of the pin have a reduced internal wall thickness between the outer half of the supporting face of the bosses (50), where there exclusively occur bending moment and shearing force applied by the inertia of the skirt (20) and of the moving assembly (100). The reduction in the internal wall thickness is obtained by the increase in the internal diameter of the pin (40) at the end portions, through two different end revolution surfaces (43, 44) each having respective a generatrix which is at least substantially straight.

REFERENCES:
patent: 1772187 (1930-08-01), Manning
patent: 2483674 (1949-10-01), Rosen et al.
patent: 2687930 (1954-08-01), Smity
patent: 2703264 (1955-03-01), Pitner
patent: 4359913 (1982-11-01), Mahlke
patent: 4756240 (1988-07-01), Mielke
patent: 5421245 (1995-06-01), Christoffel et al.

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