Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2006-06-27
2006-06-27
Allen, Stephone B. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C242S420300
Reexamination Certificate
active
07067833
ABSTRACT:
An apparatus for wrapping harvested crop material into bales wherein the wrapping material web is drawn off from a wrapping media supply which rotates about a vertical axis while, at the same time, the bale rotates about a horizontal axis. A sensor is provided which signals a tear in the wrapping media web or the absence of material media. The sensor may be optical ultrasonic or sense electromagnetic radiations of different frequency ranges, as appropriate for the media of which the wrapping media involved. A position sensor is provided which activates an evaluation of signals from the sensor that a signal is produced when the web tears or is absent.
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Albright Penrose Lucas
Allen Stephone B.
Lely Enterprises AG a Swiss Limited Liability Co.
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