Photoelectric device for counting advancing overlapped flat articles

Claim 1

A COUNTING DEVICE FOR COUNTING FLAT ARTICLES CONVEYED ALONG A TRANSFER PATH IN PARTIALLY OVERLAPPING IMBRICATED ARRANGEMENT, SAID DEVICE COMPRISING: A LINK HAVING ONE END PIVOTALLY SUPPORTED FOR MOVEMENT ABOUT A FIXED AXIS LOCATED ABOVE THE TRANSFER PATH, A WHEEL SUPPORTED ON THE LINK FOR ROTATION ABOUT AN AXIS DISTANT FROM THE FIRST SAID AXIS, SAID WHEEL IN TURN BEING ADAPTED FOR RESTING ON SAID ARTICLES, A HOUSING CONNECTED TO THE LINK FOR PIVOTAL MOVEMENT ABOUT AN AXIS COINCIDENT WITH THE AXIS ABOUT WHICH THE WHEEL IS ROTATABLY SUPPORTED ON THE LINK, A FURTHER WHEEL ON SAID HOUSING, SPACED FROM THE FIRST SAID WHEEL, FOR RESTING ON THE ARTICLES, AN IMPULSE TRANSMITTER SUPPORTED ON SAID HOUSING AND INCLUDING A SOURCE OF LIGHT AND A PHOTOELECTRIC CELL FOR RECEIVING A LIGHT BEAM FROM SAID SOURCE, SAID IMPULSE TRANSMITTER INCLUDING A FEELER PIVOTALLY SUPPORTED FROM THE HOUSING AND EXTENDING OUT THE PATH OF THE ARTICLES BETWEEN SAID WHEELS FOR BEING PIVOTALLY MOVED BY SAID ARTICLES AS THE SAME PASS FEELER, AND WING MEANS ON SAID FEELER FOR INTERRUPTING THE LIGHT BEAM UPON PASSAGE OF AN ARTICLE TO GENERATE A PULSE WHICH MAY BE COUNTED IN A PULSE COUNTER WHICH IS ADAPTED FOR CONNECTION WITH THE PHOTOELECTRIC CELL OF THE IMPULSE TRANSMITTER.