US PATENT SUBCLASS 198 / 341.03
.~.~ Station operation responsive to presence or absence of item

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

339.1  DF  WITH MEANS TO FACILITATE WORKING, TREATING, OR INSPECTING CONVEYED LOAD AT A STATION {8}
341.01  DF  .~ Condition responsive control of conveyor or station apparatus {3}
341.03.~.~ Station operation responsive to presence or absence of item {4}
341.04  DF  .~.~.~> Item size
341.05  DF  .~.~.~> Item position relative to station position
341.06  DF  .~.~.~> Quantity of items
341.07  DF  .~.~.~> Item presence

DEFINITION

Classification: 198/341.03

Station operation responsive to presence or absence of item:

(under subclass 341.01) Subject matter wherein the sensing means has a characteristic which changes in response to a detection of a property of or the presence or absence of the load being conveyed on the conveyor and in response to the detection actuates a device which controls the apparatus for performing the work operation on the load.