Method of manufacturing stepped bushings for chains

Details Method of manufacturing stepped bushings for chains Method of manufacturing stepped bushings for chains

1974-10-24

1976-07-20

Lanham, C.W.

Chain, staple, and horseshoe making

Chain making

Sprocket chain

72108, B21L 902

Patent

active

039698890

ABSTRACT:
A method of manufacturing stepped bushings for chains characterized in that opposite ends of a cylindrical bushing blank body are formed into reduced diameter portions by application of roll pressure and form rolling.

REFERENCES:
patent: 2126893 (1938-08-01), Klamp
patent: 2126912 (1938-08-01), Murden
patent: 2944450 (1960-07-01), Moeltzner et al.
patent: 3052278 (1962-09-01), Baluck et al.
patent: 3426522 (1969-02-01), Onulak
patent: 3434322 (1969-03-01), Cowles et al.
patent: 3498095 (1970-03-01), Marcouitch

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