Method of making a toothed chain with wear-reducing chain...

Details Method of making a toothed chain with wear-reducing chain... Method of making a toothed chain with wear-reducing chain...

2006-03-07

2006-03-07

Jones, David (Department: 3725)

Chain, staple, and horseshoe making

Chain making

Blanks and processes

C059S008000, C474S231000

Reexamination Certificate

active

07007451

ABSTRACT:
The present invention relates to a toothed chain comprising plates interconnected on chain joints, in particular tooth plates, each of the chain joints comprising a pin bolt and at least two substantially directly adjacently arranged tooth plates whose aligned joint openings surround a respective pin bolt. The wear characteristics of such a toothed chain shall be improved. To this end, the edge portions of the joint openings are rounded at the opposite sides of at least the outer ones of the adjacently arranged tooth plates for a wear-reducing nestling of the pin bolt in case of load. Furthermore, the invention relates to a method of producing a toothed chain.

REFERENCES:
patent: 2424087 (1947-07-01), Focke et al.
patent: 2517497 (1950-08-01), Lauenstein
patent: 2994186 (1961-08-01), Morrow
patent: 3084502 (1963-04-01), Herold
patent: 3092957 (1963-06-01), Larkin, Jr.
patent: 4265134 (1981-05-01), Dupoyet

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