Welding seam tracker

- ASEA Aktiebolag
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Description

FIG. 1 is a rear, left side and bottom perspective view of a welding seam tracker showing our new design;

FIG. 2 is a front, right side and top perspective view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a front elevational view;

FIG. 6 is a left side elevational view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3704372 November 1972 Parker et al.
4306144 December 15, 1981 Masaki
4328416 May 4, 1982 Dudley et al.
4413910 November 8, 1983 Cornu et al.
4417127 November 22, 1983 Nachev et al.
4501950 February 26, 1985 Richardson
4555613 November 26, 1985 Shulman
4794223 December 27, 1988 Barkman et al.
4812614 March 14, 1989 Wang et al.
Other references
  • ASEA Robotics Pamphlet titled "Laser Tank Seam Tracking System", printed in Sweden in 1986.
Patent History
Patent number: D306603
Type: Grant
Filed: Jan 7, 1987
Date of Patent: Mar 13, 1990
Assignee: ASEA Aktiebolag (Vaster.ang.s)
Inventors: Torbjorn Forss (Vaster.ang.s), Hakan Fardig (Vaster.ang.s), Tommy Svensson (Vaster.ang.s)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Jeffrey Asch
Law Firm: Pollock, Vande Sande & Priddy
Application Number: 7/1,271