Ultrasonic flaw detector

Description

FIG. 1 is a perspective view of an ultrasonic flaw detector showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a rear elevational view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is a perspective view thereof, shown with the tray element in an extended condition.

Referenced Cited
U.S. Patent Documents
D219306 November 1970 Morgan
D275277 August 28, 1984 Barbo et al.
D307398 April 24, 1990 Umemoto et al.
2378237 June 1945 Morris
3780572 December 1973 Rocha
Patent History
Patent number: D328714
Type: Grant
Filed: Jul 26, 1990
Date of Patent: Aug 18, 1992
Inventors: Hiroaki Nakajima (Setagaya-ku, Tokyo), Kazuhiko Hiraoka (Nerima-ku, Tokyo), Yukio Arima (Inarimae, Tsukuba-shi, Ibaragi-ken), Hiroaki Yanagimoto (Ohaza Niihari, Chiyoda-mura, Niihari-gun, Ibaragi-ken), Tetsuyoshi Tominaga (Ohaza Niihari, Chiyoda-mura, Niihari-gun, Ibaragi-ken)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Law Firm: Antonelli, Terry, Stout & Kraus
Application Number: 7/558,190