Rotating equipment alignment analysis instrument

Description

FIG. 1 is a top plan view of a rotating equipment alignment analysis instrument showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view; and

FIG. 6 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D106124 September 1937 Pratt
D260617 September 8, 1981 Lawson, II et al.
D288814 March 17, 1987 Takahashi et al.
D309829 August 14, 1990 Charet et al.
1993144 March 1935 Kasdan
3086297 April 1963 Kantrowitz
3648400 March 1972 Wolfe
4837590 June 6, 1989 Sprague
Patent History
Patent number: D318627
Type: Grant
Filed: Aug 14, 1989
Date of Patent: Jul 30, 1991
Inventor: Richard W. Frederick (Richardson, TX)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Law Firm: Ross, Howison, Clapp & Korn
Application Number: 7/393,755