Push-pull chain and reciprocating apparatus using the same

Details Push-pull chain and reciprocating apparatus using the same Push-pull chain and reciprocating apparatus using the same

1991-07-09

1992-10-27

Jones, David

Chain, staple, and horseshoe making

Chains

Conduit

59 84, 59 4, 474224, F16G 1320

Patent

active

051579120

ABSTRACT:
A push-pull chain having a lock mechanism provided between inner links and outer links, which are rotatably coupled together by link pins, to thereby permit the mutual pivotal movement of both links to be restricted. The lock mechanism is provided to both links on an axial line parallel to each link pin. As a lock pin moves parallel on the axial line and it is fitted in both links, the mutual pivotal movement of the links is locked.

REFERENCES:
patent: 774470 (1904-11-01), Hamilton et al.
patent: 2417141 (1947-03-01), Syfert
patent: 3309864 (1967-03-01), Arndt et al.
patent: 4658577 (1987-04-01), Klein
patent: 4885907 (1989-12-01), Pappanikolaou

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