Spiral conveyor frame

- Span Tech LLC
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top isometric view of the spiral conveyor frame of the present invention;

FIG. 2 is a bottom isometric view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for a spiral conveyor frame, as shown and described.

Referenced Cited
U.S. Patent Documents
790776 May 1905 Alvey
2267970 December 1941 Boal
D213787 April 1969 Musser
3857476 December 1974 Heifetz et al.
3904025 September 1975 Garvey
4269302 May 26, 1981 Garvey
D292938 November 24, 1987 Tarlton et al.
4866354 September 12, 1989 Miller
4901844 February 20, 1990 Palmaer et al.
D327759 July 7, 1992 Tarlton
5228557 July 20, 1993 Lago
5259302 November 9, 1993 Chen
5454467 October 3, 1995 Lago
5584377 December 17, 1996 Lago
6394261 May 28, 2002 DeGennaro
6523677 February 25, 2003 DeGennaro et al.
7258226 August 21, 2007 Nelson et al.
D629582 December 21, 2010 Olsson
20050109581 May 26, 2005 Roland
20090260946 October 22, 2009 Boustani
20100025190 February 4, 2010 Balk
Patent History
Patent number: D658842
Type: Grant
Filed: Aug 24, 2011
Date of Patent: May 1, 2012
Assignee: Span Tech LLC (Glasgow, KY)
Inventors: James L. Layne (Bowling Green, KY), Lewis W. Ward (Glasgow, KY), B. Keith Thomas (Cave City, KY), Stephen C. Fye (Glasgow, KY)
Primary Examiner: Cynthia Ramirez
Attorney: King & Schickli, PLLC
Application Number: 29/400,203
Classifications
Current U.S. Class: Belt Or Roller Conveyor (D34/29)