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
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
Foreign Patent Documents
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
Classifications
Current U.S. Class: D23/131; D/7104; D30/99