Track rail

- THK Co., Ltd.
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FIG. 1 is an end elevational view of a track rail showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, the side opposite that shown in FIG. 4 being identical thereto;

FIG. 5 is an enlarged and elevational view thereof; and,

FIG. 6 is a top, side and end perspective view thereof.


The ornamental design for a track rail, as shown and described.

Referenced Cited
U.S. Patent Documents
D27217 June 1897 Heinle
D29683 November 1898 West
D32406 March 1900 Hazard
D33474 October 1900 Kofske
749183 January 1904 Guynan
5501528 March 26, 1996 Agari et al.
5622433 April 22, 1997 Suzuki et al.
6729759 May 4, 2004 Shirai et al.
20070041671 February 22, 2007 Michioka et al.
20070269148 November 22, 2007 Michioka et al.
Patent History
Patent number: D640600
Type: Grant
Filed: May 30, 2008
Date of Patent: Jun 28, 2011
Assignee: THK Co., Ltd. (Tokyo)
Inventors: Hiroyuki Kishi (Tokyo), Shinya Mori (Tokyo)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Dworzecka
Attorney: Young & Thompson
Application Number: 29/318,933
Current U.S. Class: Track (D12/50)