Multiple slot expansion module for a programmable controller

- General Electric
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Description

FIG. 1 is a front elevational view of a multi-slot expansion module for a programmable controller showing my new design. The broken line showing of the conventional multi-pin connectors is included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front and upper right perspective view thereof; and,

FIG. 8 is a rear and lower left perspective view thereof.

Referenced Cited
U.S. Patent Documents
D300426 March 28, 1989 Lotz
D306429 March 6, 1990 Hiatt et al.
D325900 May 5, 1992 Shimizu et al.
4152750 May 1, 1979 Bremenour et al.
4991056 February 5, 1991 Shimizu et al.
Foreign Patent Documents
3041725 May 1982 DEX
Other references
  • Programmable controller base in Koyo Electronics Industries brochure No. 0770-1-1DG, Jul. '88. Programmable controller base on p. 307 of Elektrotechnische Zeitschrift, 2-89. Programmable controller base on p. 74 of Control Engineering, 7-89. Programmable controller base on p. 11 of Control Engineering, 10-89.
Patent History
Patent number: D339569
Type: Grant
Filed: Jan 11, 1991
Date of Patent: Sep 21, 1993
Assignee: GE Faunc Automation North America, Inc. (Charlottesville, VA)
Inventor: Sherman G. Thomas (Earlysville, VA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: James H. Beusse
Application Number: 7/640,000