Chain tool

Details Chain tool Chain tool

2008-03-18

2008-03-18

Jones, David B (Department: 3725)

Chain, staple, and horseshoe making

Chain making

Sprocket chain

C059S035100, C081S003270

Reexamination Certificate

active

11748302

ABSTRACT:
A tool for aiding master link removal from a chain. The master link includes two pins and a clip with two ends extending from one pin to the other. The chain includes plates, pins, and rollers. The chain has a longitudinal direction along the length of the chain. The tool includes a support member, a plurality of coupler legs, and two pry posts. The coupler legs extend from the support member and are sized to fit between adjacent chain rollers. The legs, combined with the support member, bridge across the master link to hold it secure relative to the pry posts. The pry posts extend from the support member laterally offset from the coupler legs. The pry posts are generally laterally adjacent the ends of the clip when the coupler legs are secured to the chain.

REFERENCES:
patent: 2577193 (1951-12-01), Imse
patent: 3854282 (1974-12-01), Mazel
patent: 3903688 (1975-09-01), Robinson
patent: 3937005 (1976-02-01), Becker
patent: 4030286 (1977-06-01), Gibilaro
patent: 4433462 (1984-02-01), Stratton
patent: 5193336 (1993-03-01), King
patent: 5203158 (1993-04-01), Bowers
patent: 5870811 (1999-02-01), Ciok

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