Coal ash separator
Description
FIG. 1 is a front elevational view of a coal ash separator, showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is an elevational view of the opposite side thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom perspective view thereof;
FIG. 6 is a top perspective view thereof;
FIG. 7 is an enlarged fragmentary perspective view thereof, showing the sifter portion thereof;
FIG. 8 is a front elevational view of a second embodiment of a coal ash separator;
FIG. 9 is an enlarged fragmentary perspective view of a third embodiment of a coal ash separator, which embodiment differs from the first embodiment only in that the opening to the interior of the sifter portion is on the opposite side of the sifter.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
117756 | August 1871 | Farmer |
219167 | September 1879 | Lotz |
240650 | April 1881 | Bradford |
246568 | August 1881 | Starin |
D269129 | May 24, 1983 | Manfre |
379322 | March 1888 | Murphy |
928283 | July 1909 | Schultze |
944501 | December 1909 | Portnoy |
1554525 | September 1925 | Ricci |
1710204 | April 1929 | Cipriano |
2005416 | June 1935 | Fisher |
4798 | 1887 | GBX |
12314 | 1900 | GBX |
554770 | July 1943 | GBX |
Patent History
Patent number: D285831
Type: Grant
Filed: Jan 16, 1984
Date of Patent: Sep 23, 1986
Inventor: Robert L. Warnke (Oxford, MI)
Primary Examiner: Catherine E. Kemper
Law Firm: Burton, Parker & Schramm
Application Number: 6/570,928
Type: Grant
Filed: Jan 16, 1984
Date of Patent: Sep 23, 1986
Inventor: Robert L. Warnke (Oxford, MI)
Primary Examiner: Catherine E. Kemper
Law Firm: Burton, Parker & Schramm
Application Number: 6/570,928
Classifications
Current U.S. Class:
D23/131;
D/7104;
D30/99