Rail-engaging wheel conversion unit for road vehicles

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Description

FIG. 1 is a front, top and right perspective view of the rail-engaging wheel conversion unit for road vehicles of the present invention.

FIG. 2 is a front elevation view of the wheel conversion unit depicted in FIG. 1.

FIG. 3 is a top plan view of the wheel conversion unit depicted in FIG. 1.

FIG. 4 is a rear elevation view of the wheel conversion unit depicted in FIG. 1. the opposite side elevation view being a mirror image thereof.

FIG. 5 is a bottom plan view of the wheel conversion unit depicted in FIG. 1; and,

FIG. 6 is a right side elevation view of the wheel conversion unit depicted in FIG. 1.

Referenced Cited
U.S. Patent Documents
D312059 November 13, 1990 Styles
3269331 August 1966 Thompson
3581671 June 1971 Hart
3980025 September 14, 1976 Olson, Sr. et al.
4534297 August 13, 1985 Johnson, Sr.
4708066 November 24, 1987 Heckman
5586507 December 24, 1996 Madison et al.
5660115 August 26, 1997 Shimon et al.
5756903 May 26, 1998 Norby et al.
Patent History
Patent number: D413290
Type: Grant
Filed: Jun 23, 1997
Date of Patent: Aug 31, 1999
Assignee: Aries Railroad Technologies LLC (Denver, CO)
Inventor: David B. Hinwood (Western Australia)
Primary Examiner: Robert M. Spear
Law Firm: Larson & Taylor
Application Number: 0/72,923
Classifications
Current U.S. Class: Chassis Element (33) (D12/159)
International Classification: 1216;