Articulated chain

Details Articulated chain Articulated chain

2007-09-25

2007-09-25

Jones, David B (Department: 3725)

Chain, staple, and horseshoe making

Chain making

Bead chain

C059S078000, C059S078100, C059S095000, C072S466000

Reexamination Certificate

active

10977602

ABSTRACT:
A chain has chain links (110) having basically spherical geometry (116) and four flattened surfaces (118) equally distributed in the circumferential direction. A chamber (120) is formed in the chain links (110) in which a connecting member (112) is retained. A back side of the chain links (110) is furnished with a spherical joint surface (124). The connecting member (112) has on its side remote from the said joint surface (124) a head (150) which is furnished with a concave joint surface (162) which runs spaced apart from the outer surface of the chain link (110) and interacts with a complementarily convex joint surface (143) which is carried by the adjacent chain link (110) in the interior of the chamber (120).

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Office Action dated Aug. 23, 2004 from the basic German case(3 pages).

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