Donald Frank Corsaro

US Patent:

7757420, Jul 20, 2010

Filed:

Jan 9, 2008

Appl. No.:

12/008197

Inventors:

Donald F. Corsaro - Chardon OH, US
Christopher L. Fenn - Hudson OH, US

International Classification:

F41A 17/00

US Classification:

42 7001, 42 7008, 42 7011

Abstract:

The difficulties and drawbacks of previous-type systems are overcome by the present invention which includes a locking device for a firing spring housing in a firearm. A main housing is provided including an internal cylindrical portion for receiving a firing spring. A lock rod is received in the main housing, for selectively engaging the firing spring. The lock rod is movable between an engagement position and a disengagement position with the firing spring. A combination disk is provided for engaging the lock rod, to selectively fix the lock rod in one of the engagement position and the disengagement position.

US Patent:

8048302, Nov 1, 2011

Filed:

Dec 11, 2008

Appl. No.:

12/332704

Inventors:

Donald F. Corsaro - Chardon OH, US

International Classification:

B01D 33/04

US Classification:

210297, 210400, 210401

Abstract:

An endless belt filtering system for separating solid particles from a flow of contaminated liquid to produce a generally clean liquid. The system having a continuous loop belt extending between a first end and a second end and being formed by a plurality of plates pivotably joined to one another about space horizontal axes. The plurality of plates together forming an outwardly facing side and an inwardly facing side, the belt further including an upper section wherein the outward side generally faces up and moves from the first end toward the second end and an opposite lower section wherein the outward side generally faces down and moves from the second end toward the first end. The system having a housing forming a tank with a bottom, an end wall near the first end and a pair of side walls extending from the end wall. The lower section of the belt including a bottom region passing near the tank bottom and the plurality of plates including pivot plates having pivoting flaps that are pivotable between an opened condition and a closed condition. The flaps being in the opened condition when in the bottom region and in the closed condition when in the inlet region such that movement of the portion of particles through the belt is restricted in the inlet region and is promoted in the bottom region.

US Patent:

20070119087, May 31, 2007

Filed:

Feb 21, 2006

Appl. No.:

11/358425

Inventors:

Donald Corsaro - Chardon OH, US
Christopher Fenn - Hudson OH, US

International Classification:

F41A 17/00

US Classification:

042070010, 042070080

Abstract:

The difficulties and drawbacks of previous-type systems are overcome by the present invention which includes a locking device for a firing spring housing in a firearm. A main housing is provided including an internal cylindrical portion for receiving a firing spring. A lock rod is received in the main housing, for selectively engaging the firing spring. The lock rod is movable between an engagement position and a disengagement position with the firing spring. A combination disk is provided for engaging the lock rod, to selectively fix the lock rod in one of the engagement position and the disengagement position.