Sortation conveyor

Details Sortation conveyor Sortation conveyor

1987-10-30

1989-08-15

Spar, Robert J.

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

By passive material-diverting means placed across the flow path

198802, B65G 4746

Patent

active

048566420

ABSTRACT:
An improved lever arm for a tilt tray sortation conveyor has formula defined unlatching and tipping cam sections. The tipping cam section imparts a constant angular acceleration of about 20 radians/sec..sup.2 to the tray during positive tipping. Such angular acceleration produces a maximum tangential acceleration for any article on the tray, approximately equal to or less than the acceleration of a free-falling body. An improved tray latch or index plate has an inclined cam resisting rebound of the tray after initial tipping. Integral shock absorbers disperse impact forces in tray tip-up apparatus and resist elongation of tip-up mounting pin holes. Methods are claimed.

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patent: 4174773 (1979-11-01), Venzke
patent: 4635785 (1987-01-01), Prydtz
patent: 4726464 (1988-02-01), Canziani

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