Tentering chain with guide rollers

Details Tentering chain with guide rollers Tentering chain with guide rollers

1990-11-21

1992-04-07

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Unit load conveying surface means moved about an endless or...

1988039, 198845, 26 91, 26 93, 226173, B65G 4786

Patent

active

051019655

ABSTRACT:
A tentering chain is guided between two guide rails extending in parallel to each other. One guide rail (19a) is an outer guide rail with regard to a course followed by the chain, while the other guide rail (19b) is an inner guide rail. The chain links are hinged to each other by a journal pin which carries a first guide roller on an inner pin section between chain link plates, and a second guide roller on a cranked outer pin section. Thus, the rotational axes of these two guide rollers extend in parallel to each other and spaced from each other, so that one guide roller can only contact one guide rail, but not the other and vice versa. This feature prevents the reversal of the rotation direction of the guide rollers as they travel along the parallel guide rails.

REFERENCES:
patent: 3457608 (1969-07-01), Gageur
patent: 3638289 (1972-02-01), Dornier et al.

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