Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Reexamination Certificate
2007-01-09
2007-01-09
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
C241S089400, C241S258000, C415S121100
Reexamination Certificate
active
11037621
ABSTRACT:
A cutting assembly for a grinder pump comprised of a rotary cutter rotatable against an opposing plate cutter. The cutting edges of the plate cutter include a plurality of V-slice cutting teeth, which create bridging spaces to pinch material which is being sucked in to ports and begin cutting along the V-slice and then for cut material to pass through and onward into the volute of the pump. The rotary cutter has a ground edge with a rake angle which shears the gathered material in cooperation with the cutting edges of the plate cutter. A grinder pump including the cutter assembly is also disclosed.
REFERENCES:
patent: 3650481 (1972-03-01), Conery et al.
patent: 3961758 (1976-06-01), Morgan
patent: 4108386 (1978-08-01), Conery et al.
patent: 4378093 (1983-03-01), Keener
patent: 4454993 (1984-06-01), Shibata et al.
patent: 4640666 (1987-02-01), Sodergard
patent: 4697746 (1987-10-01), Nishimori
patent: 4842479 (1989-06-01), Dorsch
patent: 5016825 (1991-05-01), Carpenter
patent: 5044566 (1991-09-01), Mitsch
patent: 5256032 (1993-10-01), Dorsch
patent: 6010086 (2000-01-01), Earle et al.
patent: 6190121 (2001-02-01), Hayward et al.
Hydromatic HPGR200 Submersable Sewage Grinder Pump 2 pages product lit from web site http://www.hydromatic.com/grinders/hpgr—grinder.html printed Apr. 19, 2005, known ˜Sep. 2004.
Little Giant Pump Company 20G Series Automatic Grinder, 2 pages product literature, Form No. 995241—Jun. 2000.
ZoellerPump Company The Shark 820 Grinder Pump, 4 pages product literature, Section 2.50.010 FM1478 0803.
Goulds Pumps 4 pages product literature, Form No. BRGS2012, Effective Oct. 2003.
ABS Pirhana 08-110 4 page technical product brochure downloaded from http://www.abspumps.com/absgroup/ and printed Apr. 19, 2005. Original publication date unknown.
ABS Wastewater application brochure p. 9 and p. 5, downloaded from http://www.abspumps.com/absgroup/ and printed Apr. 19, 2005. Original publication date unknown.
Hammond John M.
Patent Innovations LLC
Rosenbaum Mark
LandOfFree
Cutter assembly for a grinder pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cutter assembly for a grinder pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cutter assembly for a grinder pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3777264