.~ Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor {8}
689.1
.~.~ Suction
DEFINITION
Classification: 198/689.1
Suction:
(under subclass 688.1) Apparatus having means to reduce below ambient the air pressure between the load and the power-driven conveying surface means and thereby enhance the frictional engagement between the load and the conveying means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
471.1, for conveyor systems using suction to enhance the frictional contact between the load and the conveyor.
SEE OR SEARCH CLASS
271, Sheet Feeding or Delivering and 414, Material or Article Handling, appropriate subclass for suction conveyors used to stack or unstack articles.
