Door assembly
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United States of America Patent
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-
Oct 9, 1984
Grant Date -
N/A
app pub date -
Sep 23, 1983
filing date -
Sep 23, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guide structure for a door assembly of the type including a door member, an endless chain member coupled to the door, and a drive mechanism for drawing the chain member to cause the door member to move between opened and closed positions. The guide structure includes an elongated metal body for receiving the span portions of the chain member, and plastic guide members positioned within the body for guidingly engaging the chain member to assure a smooth, quiet operation of the door assembly with no metal-to-metal contact.
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