Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2006-09-19
2006-09-19
Lithgow, Thomas M. (Department: 1724)
Liquid purification or separation
With repair or assembling means
C210S238000, C210S452000, C220S832000
Reexamination Certificate
active
07108786
ABSTRACT:
A filtration apparatus having a cover pivotably installed through a hinge mechanism has a casing bracket secured to a casing flange and a cover bracket secured to the cover. A pin is inserted through insertion holes in side walls of the casing bracket and through insertion holes in side walls of the cover bracket. The filtration apparatus is provided with a stopper mechanism for maintaining the cover in a full-open position when it is fully opened, and also provided with a stopper-releasing mechanism for canceling the stopper function.
REFERENCES:
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patent: 3640392 (1972-02-01), Smith et al.
patent: 4419234 (1983-12-01), Miller et al.
patent: 4867302 (1989-09-01), Takahashi
patent: 5246581 (1993-09-01), Goldman
patent: 5893969 (1999-04-01), Goldman
patent: 06-327914 (1994-11-01), None
patent: 3082767 (2001-10-01), None
Lithgow Thomas M.
SMC Corporation
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