Guiding shaft structure for chain connector

Details Guiding shaft structure for chain connector Guiding shaft structure for chain connector

2007-05-15

2007-05-15

Jones, David (Department: 3725)

Chain, staple, and horseshoe making

Chain making

Sprocket chain

C059S011000, C059S035100, C474S206000, C474S218000

Reexamination Certificate

active

11429993

ABSTRACT:
A guiding shaft structure for a chain connector includes a black shaft and a guiding bolt. The black shaft comprises a passage with a threaded section therein and a first protruding ring, a second protruding ring and a third protruding ring on an outer surface thereof. The guiding bolt comprises an insertion section and a guiding section. The insertion section comprises grooves, a circular flange and a guiding surface. The guiding section comprises a threaded portion. The black shaft and the guiding bolt are secured with each other to form a one piece and to provide a secure connection.

REFERENCES:
patent: 4994945 (1991-02-01), O'Shea et al.
patent: 4998907 (1991-03-01), Sawada et al.
patent: 6966170 (2005-11-01), Meggiolan
patent: 7082747 (2006-08-01), Oishi et al.
patent: 7131258 (2006-11-01), Meggiolan

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