Scraped heat exchanger having blade with protective rest nub
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United States of America Patent
Stats
-
Jul 3, 2007
Grant Date -
Jun 30, 2005
app pub date -
Dec 30, 2003
filing date -
Dec 30, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for interlocking with a respective attachment beam. The blades feature protective supporting nubs that are outwardly facing from the blade and located proximate to the mounting locations of the blade to provide a supporting rest for the drive shaft pin and blade assembly as it is slid into or out of its outer housing tube.
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