Dust collection blast gate with mount

Details Dust collection blast gate with mount Dust collection blast gate with mount

2008-07-22

2011-12-13

Fristoe, Jr., John (Department: 3753)

Valves and valve actuation

With correlated flow path

Pipe side

C251S326000, C251S329000

Reexamination Certificate

active

08074962

ABSTRACT:
A blast gate assembly for connecting two hoses includes a first cylindrical section for frictionally engaging with a first flexible vacuum hose, a second cylindrical section for frictionally engaging with a second flexible vacuum hose, and a valve section disposed between the first cylindrical section and the second cylindrical section. The valve section includes a mounting bracket.

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Blast Gate—Pivoting—Woodworking Dust Collection, by Schreiber Bike; http://sketchup.google.com/3dwarehouse/details?mid=3c3c86f6258d97552331b5d5dd1cf817&prevstart=0; (one page), publically available at least as of Feb. 29, 2008.
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Sawmill Creek—Woodworkers Forums, post by Doug Shepard, “New Lee Valley Remote Self-Cleaning Blastgates for PVC”, May 24, 2007; http://www.sawmillcreek.org/showthread.php?t=58586; (5 pages).
6″ Dust Collector Blast Gate—Direct Tool Mount; http://sketchup.google.com/3dwarehouse/details?mid=12ee7200999732c516280872e3277da9&prevstart=0; (one page), publically available at least as of Feb. 28, 2008.
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Rockler Woodworking and Hardware, Feb. 2008 Catalog, cover and p. 153 (2 pages).
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