United States Patent ti9]
Weeks
US005168261A
[i i] Patent Number: 5,168,261
[45] Date of Patent: Dec. 1,1992
[54] CIRCUIT BREAKER SIMULATOR
[76] Inventor: Larry P. Weeks, 10626 Piney Branch Rd., Spotsylvania, Va. 22553
[21] Appl. No.: 863,476
[22] Filed: Apr. 2,1992
Related U.S. Application Data
[63] Continuation of Ser. No. 571,160, Aug. 23, 1990.
[51] Int. CI.' G01R 31/32
[52] U.S. CI 340/515; 340/638;
324/424; 324/73.1; 324/511; 371/16.2
[58] Field of Search 371/16.2, 20.1;
340/638, 515; 324/424, 418, 503, 504, 506, 511,
544, 73.1, 540
[56] References Cited
U.S. PATENT DOCUMENTS
3,424,979 1/1969 Stocker 324/384
3,646,438 2/1972 Staff 324/503
3,663,939 5/1972 Olsson 324/504
3,852,660 12/1974 Maier .
3,924,160 12/1975 Maier .
4,105,965 8/1978 Russell .
4,209,739 6/1980 Paice .
4,307,345 12/1981 Schoen .
4,351,013 9/1982 Matsko et al. .
4,498,716 2/1985 Ward 371/20.1
4,565,963 1/1986 Shaw 324/503
4,739,351 4/1988 Feldman 340/515
4,803,434 2/1989 Walker .
4,814,712 3/1989 Burton .
FOREIGN PATENT DOCUMENTS
0044098 1/1982 European Pat. Off. 371/20.1
0050150 3/1982 Japan 371/20.1
Primary Examiner—Kenneth A. Wieder
Assistant Examiner—Jose M. Solis
Attorney, Agent, or Firm—Cushman, Darby & Cushman
[57] ABSTRACT
A device for testing support equipment for a power circuit breaker, including a breaker simulator for simulating a power circuit breaker, a connector for connecting the breaker simulator to a breaker control panel, and a switch for re-directing the functions of the breaker control panel to the simulator.
11 Claims, 5 Drawing Sheets
