Grinding and impeller clip for a coal pulverizer

- Riley Power, Inc.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side elevation view of a grinding and impeller clip according to a first representative embodiment of the present invention.

FIG. 2 is a front end view of the grinding and impeller clip shown in FIG. 1.

FIG. 3 is a perspective view of the grinding and impeller clip according to a second representative embodiment of the present invention.

FIG. 4 is a perspective view of the grinding and impeller clip shown in FIG. 1.

FIG. 5 is a perspective view of the grinding and impeller clip according to a third representative embodiment of the present invention.

FIG. 6 is a perspective view of the grinding and impeller clip shown in FIG. 5 seen from above. The broken lines are for illustrative purposes only to show the grinding and impeller clip mounted recessed in its environment and form no part of the claimed design; and,

FIG. 7 is a perspective view of the grinding and impeller clip shown in FIG. 5 seen from below. The broken lines are for illustrative purposes only, to show the grinding and impeller clip mounted recessed in its environment, and form no part of the claimed design.

Claims

The ornamental design for a grinding and impeller clip for a coal pulverizer, as shown and described in the attached specification.

Referenced Cited
U.S. Patent Documents
1628609 May 1927 Newhouse
1724895 August 1929 Beach
2625332 January 1953 Rogers et al.
2628038 February 1953 Rogers et al.
2639863 May 1953 Rogers
3050018 August 1962 Pearson
3092337 June 1963 Patterson
4061281 December 6, 1977 Gundlach et al.
4424938 January 10, 1984 Day
4485975 December 4, 1984 Eigner et al.
4919795 April 24, 1990 Fujii et al.
5025930 June 25, 1991 Barthelmess et al.
5289978 March 1, 1994 Lundquist
5348272 September 20, 1994 Lukstas et al.
5560550 October 1, 1996 Krawczyk
5597127 January 28, 1997 Brown
5938045 August 17, 1999 Makino et al.
6027057 February 22, 2000 Miles et al.
6443376 September 3, 2002 Huang et al.
6644479 November 11, 2003 Kimmeyer et al.
7172146 February 6, 2007 Schmitz et al.
7198209 April 3, 2007 Herbst
7240868 July 10, 2007 Lin et al.
20030141396 July 31, 2003 Whaley
20040056129 March 25, 2004 Doppstadt
20060124791 June 15, 2006 Schmitz et al.
20070200017 August 30, 2007 Schmitz et al.
Patent History
Patent number: D565616
Type: Grant
Filed: Jun 12, 2007
Date of Patent: Apr 1, 2008
Assignee: Riley Power, Inc. (Worcester, MA)
Inventors: William Schmitz (Clymer, NY), Craig A. Penterson (Sutton, MA), Daniel P. Smith (Spencer, MA)
Primary Examiner: Sandra Snapp
Assistant Examiner: Patricia Palasik
Attorney: Edwards Angell Palmer & Dodge, LLP
Application Number: 29/288,452
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)