Process for providing bearing surfaces on trunnions of a univers

Details Process for providing bearing surfaces on trunnions of a univers Process for providing bearing surfaces on trunnions of a univers

1974-05-23

1976-04-20

Lanham, C. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29434, 308163, 64 17R, B21D 5310

Patent

active

039508340

ABSTRACT:
To produce on at least one of the end faces of opposed trunnions of the cross member of a universal joint a bearing surface for the end wall of a bearing cup, or for a resilient washer interposed between the cup end wall and the trunnion, there is chosen for the distance between the centre of the cross member and the centre region of the end face a value which is different from the value of the desired distance in joint operation. This centre region is then subjected to the action of a tool whose hardness exceeds that of the metal of the trunnion by causing the tool to travel such distance that the active surface of the tool occupies a position in which there is formed, by a cold upsetting of the metal, a centre bearing surface which is at a distance from a reference point, such as the centre of the cross member, which is substantially equal to the desired value of the distance in joint operation.

REFERENCES:
patent: 3036366 (1962-05-01), Ricks
patent: 3178907 (1965-04-01), Lyons
patent: 3290754 (1966-12-01), Pitner
patent: 3434196 (1969-03-01), Lavengood
patent: 3492710 (1970-02-01), Pitner
patent: 3552811 (1971-01-01), Kayser
patent: 3644973 (1972-02-01), Abe

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