B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
193/1
B65G 11/02 (2006.01)
Patent
CA 1122133
ABSTRACT OF THE DISCLOSURE A vertical extending, uniform cross sectional, air impervious chute is open at its opposite ends and shaped to conform to the shape of the articles to be transported from an upper station to a lower station, so that by maintaining an article in the lower end of the chute to seal the lower end of the chute, other articles may be dropped into the chute so that they will pup air ahead of them to build up air pressure between moving articles and down- stream articles. As a result, falling articles will decrease in acceleration to zero acceleration after they are dropped to a midpoint of their fall as the velocity increases from zero to a maximum, and thereafter the trapped air ahead of them will cause an increasing deceleration and a corresponding decreasing velocity until such falling article gently comes to rest due to the inter-position of a high pressure air cushion onto a down- stream stationary article. Automatic article sensors may be used to prevent the removal of the last article from the chute so as to maintain the chute seal, particularly when interlocked with a power transfer device, and further sensors may be provided at the entrance of the chute to indicate when the chute is full for the control of an automatic article feeding device. The chute may be used to transport articles between different levels, or to vertically store articles in a space saving manner for a multiple article picker system.
356324
Kirby Eades Gale Baker
Kornylak Corporation
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