Pitot tube type flow measurement device with a crank-operated insert/retract mechanism

- Dieterich Standard Corp.
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Description

FIG. 1 is a front elevational view of the pitot tube type flow measurement device with a crank-operated insert/retract mechanism showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D245482 August 23, 1977 Flinta
D271085 October 25, 1983 Wohlers
3443431 May 1969 Hagen
4645242 February 24, 1987 Coleman
Patent History
Patent number: D302397
Type: Grant
Filed: Feb 28, 1986
Date of Patent: Jul 25, 1989
Assignee: Dieterich Standard Corp. (Boulder, CO)
Inventors: David R. Mesnard (Boulder, CO), Horst W. Kalin (Longmont, CO)
Primary Examiner: Nelson C. Holtje
Attorney: Edwin L. Spangler, Jr.
Application Number: 6/838,008
Classifications
Current U.S. Class: Volume, Flow Or Rate (D10/96)