Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1991-06-26
1992-10-13
Jones, David
Chain, staple, and horseshoe making
Chain making
Sprocket chain
59 351, 29718, B21L 906
Patent
active
051540460
ABSTRACT:
The invention relates to a method for the coupling of articulated track links with a determined tolerance by means of press fitting. In particular, said method is applied in the assembly of articulated link track chains for tracker vehicles where joint links (5) are pressed on to the two ends of a central pivot (2), on which at least one second element, or bushing (3) is rotably coupled, which bushing (3) is axially held by the two said joint links (5). According to the invention, all the elements, including spacers (4), are compressed into a "pack" configuration by the action of a maximum compression force, determined individually for each case with regard to the geometric characteristics of the various elements and the properties of the materials of which they are constituted, on the basis of the determination, effected during the course of the realisation of the press-fitting, of the total force necessary to overcome the opposition offered to relative axial sliding before reaching the "pack" configuration.
REFERENCES:
patent: 3412451 (1968-11-01), Vieser et al.
patent: 4339961 (1982-07-01), Grillot et al.
patent: 4531355 (1985-07-01), Numakura
patent: 4621491 (1986-11-01), Moriki et al.
Piccolo Antonio
Vaccaro Domenico
Italtractor I.T.M. S.p.A.
Jones David
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