Photo-optic attachment for conveyor rollers
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United States of America Patent
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-
Jul 27, 1993
Grant Date -
N/A
app pub date -
Nov 12, 1992
filing date -
Nov 12, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A photo-optic attachment for a conveyor roller comprises an end cap mountable on the conveyor roller and a photo-optic disc mountable on the end cap. The end cap includes an outwardly facing surface having a raised boss. The photo-optic disc includes an opening sized and shaped to register with the boss on the end cap. The photo-optic disc is retained on the end cap by a spring clip which is insertable over the end of the boss. The shape of the boss and the opening in the photo-optic disc is such to prevent relative rotation between the end cap and the photo-optic disc thereby providing a more accurate measure of the conveyor roller speed.
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