Conveyor systems

Details Conveyor systems Conveyor systems

1995-11-13

1996-12-24

Bidwell, James R.

Conveyors: power-driven

Conveyor section

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

1988031, B65G 1734

Patent

active

055866425

ABSTRACT:
A conveyor system includes a pair of endless chains each having a plurality of links and each constrained to drive around a common endless loop by a pair of spaced rotary sprocket assemblies. Each link of each chain carries an outwardly directed finger. Pairs of fingers one from each chain are arranged to engage a can to displace it along the forward run of the loop. Changing the spacings between the fingers to accommodate different sizes of cans on different runs is achieved by effecting longitudinal displacement between the chains which in turn is achieved by adjusting the angular spacing between the sprocket wheels on the sprocket assembly. The fingers of each pair open up as they pass around the sprocket assembly and close up on the can to hold the can captive for the length of the forward run.

REFERENCES:
patent: 1815372 (1931-07-01), Frazier
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patent: 2358292 (1944-09-01), Malhiot
patent: 4718540 (1988-01-01), Greenwell
patent: 4893707 (1990-01-01), Langen et al.
patent: 5094339 (1992-03-01), Thelen et al.
patent: 5238101 (1993-08-01), Ota et al.
patent: 5328021 (1994-07-01), Calvert et al.
patent: 5337887 (1994-08-01), Greenwell et al.

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