Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge...
Reexamination Certificate
2008-09-30
2008-09-30
Bidwell, James R (Department: 3651)
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
C414S676000, C406S088000
Reexamination Certificate
active
11337971
ABSTRACT:
Disclosed herein is a substrate transferring apparatus. The apparatus comprises air injection modules, which serve to float a substrate, and can be independently attached to or detached from the substrate transferring apparatus. Thus, even if any one of the air injection modules is damaged, the substrate is prevented from falling because other air injection modules serve to continuously float the substrate. Furthermore, with such a construction, the air injection modules have an advantage in view of maintenance.
REFERENCES:
patent: 3473910 (1969-10-01), Wilde et al.
patent: 5628605 (1997-05-01), Miyoshi
patent: 6736588 (2004-05-01), Baldwin et al.
patent: 6810784 (2004-11-01), Cunningham
patent: 7037063 (2006-05-01), Park et al.
patent: 2005/0063791 (2005-03-01), Chang et sl.
Jung Jun-Mo
Lee Jung-Soo
Bidwell James R
SFA Engineering Corp.
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