Load port door with simplified FOUP door sensing and retaining mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 15, 2008
app pub date -
Nov 13, 2006
filing date -
Nov 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A load port door for opening a container storing one or more workpieces. The port door includes a pair of latch keys for unlocking the container door from the container shell and coupling the container door to the port door. The port door further includes a retention mechanism for preventing or minimizing motion of the container door relative to the port door while the container door and port door are coupled together. In one embodiment, the retention mechanism includes a plunger that essentially pushes the container door away from the port door and against the back surface of the latch keys. In another embodiment, the retention mechanism comprises a spring-actuated registration pin that pushes the container door away from the port door and against the back surface of the latch keys while the port door and container door are coupled together.
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