Rocker joint for chain

Details Rocker joint for chain Rocker joint for chain

1989-02-22

1990-02-27

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

474215, F16G 1304

Patent

active

049042319

ABSTRACT:
An improved rocker joint for a chain in which each pin of a pair of pins is substantially identical in cross-sectional shape. Each pin has a front and working surface defined by a first radius and a back surface defined by a single and smaller radius. Planar surfaces diverging from front to back join the front and back surfaces of the pins. The links are provided with openings to receive the pins, each opening being generally circular and having inwardly directed lugs, the lugs defining a first arc and a second and larger arc. One of the pins of the rocker joint is held against rotation in some of the links with its back surface contacting the smaller arc and also the walls of the defining lugs.

REFERENCES:
patent: 1534494 (1925-04-01), Belcher
patent: 1638388 (1927-08-01), Belcher
patent: 3540302 (1970-11-01), Bendall
patent: 3742776 (1973-07-01), Avramidis
patent: 4010656 (1977-03-01), Jeffrey
patent: 4507106 (1985-03-01), Cole, Jr.

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